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: |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 42 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 43 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
| 44 | return; |
| 45 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 46 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 47 | memset(p, td->o.verify_pattern[0], len); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 48 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 49 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 50 | default: { |
| 51 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 52 | unsigned char *b = p; |
| 53 | |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 54 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 55 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 56 | td->o.verify_pattern_bytes, len); |
| 57 | return; |
| 58 | } |
Jens Axboe | 81f0366 | 2012-02-02 09:20:09 +0100 | [diff] [blame] | 59 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 60 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 61 | td->o.verify_pattern_bytes, len); |
| 62 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 63 | while (i < len) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 64 | size = td->o.verify_pattern_bytes; |
| 65 | if (size > (len - i)) |
| 66 | size = len - i; |
| 67 | memcpy(b+i, td->o.verify_pattern, size); |
| 68 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 69 | } |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 70 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 71 | break; |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 76 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
| 77 | { |
| 78 | unsigned int hdr_inc; |
| 79 | |
| 80 | hdr_inc = io_u->buflen; |
Jens Axboe | 8a99fdf | 2012-03-06 19:24:49 +0100 | [diff] [blame] | 81 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 82 | hdr_inc = td->o.verify_interval; |
| 83 | |
| 84 | return hdr_inc; |
| 85 | } |
| 86 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 87 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 88 | unsigned long seed, int use_seed) |
| 89 | { |
| 90 | unsigned int hdr_inc, header_num; |
| 91 | struct verify_header *hdr; |
| 92 | void *p = io_u->buf; |
| 93 | |
| 94 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
| 95 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 96 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 97 | header_num = 0; |
| 98 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 99 | hdr = p; |
| 100 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 101 | header_num++; |
| 102 | } |
| 103 | } |
| 104 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 105 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 106 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 107 | char swap[200]; |
| 108 | |
| 109 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 110 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 111 | memcpy(&swap, buf1, len); |
| 112 | memcpy(buf1, buf2, len); |
| 113 | memcpy(buf2, &swap, len); |
| 114 | } |
| 115 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 116 | static void hexdump(void *buffer, int len) |
| 117 | { |
| 118 | unsigned char *p = buffer; |
| 119 | int i; |
| 120 | |
| 121 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 122 | log_err("%02x", p[i]); |
| 123 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 124 | } |
| 125 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 126 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 127 | * Prepare for seperation of verify_header and checksum header |
| 128 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 129 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 130 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 131 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 132 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 133 | switch (verify_type) { |
| 134 | case VERIFY_NONE: |
| 135 | case VERIFY_NULL: |
| 136 | len = 0; |
| 137 | break; |
| 138 | case VERIFY_MD5: |
| 139 | len = sizeof(struct vhdr_md5); |
| 140 | break; |
| 141 | case VERIFY_CRC64: |
| 142 | len = sizeof(struct vhdr_crc64); |
| 143 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 144 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 145 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 146 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 147 | len = sizeof(struct vhdr_crc32); |
| 148 | break; |
| 149 | case VERIFY_CRC16: |
| 150 | len = sizeof(struct vhdr_crc16); |
| 151 | break; |
| 152 | case VERIFY_CRC7: |
| 153 | len = sizeof(struct vhdr_crc7); |
| 154 | break; |
| 155 | case VERIFY_SHA256: |
| 156 | len = sizeof(struct vhdr_sha256); |
| 157 | break; |
| 158 | case VERIFY_SHA512: |
| 159 | len = sizeof(struct vhdr_sha512); |
| 160 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 161 | case VERIFY_META: |
| 162 | len = sizeof(struct vhdr_meta); |
| 163 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 164 | case VERIFY_SHA1: |
| 165 | len = sizeof(struct vhdr_sha1); |
| 166 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 167 | case VERIFY_PATTERN: |
| 168 | len = 0; |
| 169 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 170 | default: |
| 171 | log_err("fio: unknown verify header!\n"); |
| 172 | assert(0); |
| 173 | } |
| 174 | |
| 175 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 179 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 180 | return __hdr_size(hdr->verify_type); |
| 181 | } |
| 182 | |
| 183 | static void *hdr_priv(struct verify_header *hdr) |
| 184 | { |
| 185 | void *priv = hdr; |
| 186 | |
| 187 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 191 | * Verify container, pass info to verify handlers and allow them to |
| 192 | * pass info back in case of error |
| 193 | */ |
| 194 | struct vcont { |
| 195 | /* |
| 196 | * Input |
| 197 | */ |
| 198 | struct io_u *io_u; |
| 199 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 200 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 201 | |
| 202 | /* |
| 203 | * Output, only valid in case of error |
| 204 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 205 | const char *name; |
| 206 | void *good_crc; |
| 207 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 208 | unsigned int crc_len; |
| 209 | }; |
| 210 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 211 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 212 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 213 | { |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 214 | char *ptr, fname[256]; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 215 | int ret, fd; |
| 216 | |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 217 | ptr = strdup(f->file_name); |
| 218 | strcpy(fname, basename(ptr)); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 219 | |
| 220 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 221 | |
| 222 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 223 | if (fd < 0) { |
| 224 | perror("open verify buf file"); |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | while (len) { |
| 229 | ret = write(fd, buf, len); |
| 230 | if (!ret) |
| 231 | break; |
| 232 | else if (ret < 0) { |
| 233 | perror("write verify buf file"); |
| 234 | break; |
| 235 | } |
| 236 | len -= ret; |
| 237 | buf += ret; |
| 238 | } |
| 239 | |
| 240 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 241 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 242 | free(ptr); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 243 | } |
| 244 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 245 | /* |
| 246 | * Dump the contents of the read block and re-generate the correct data |
| 247 | * and dump that too. |
| 248 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 249 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 250 | { |
| 251 | struct thread_data *td = vc->td; |
| 252 | struct io_u *io_u = vc->io_u; |
| 253 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 254 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 255 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 256 | |
Steven Lang | 0dce9bc | 2011-10-25 22:41:05 +0200 | [diff] [blame] | 257 | if (!td->o.verify_dump) |
| 258 | return; |
| 259 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 260 | /* |
| 261 | * Dump the contents we just read off disk |
| 262 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 263 | hdr_offset = vc->hdr_num * hdr->len; |
| 264 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 265 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 266 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 267 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 268 | /* |
| 269 | * Allocate a new buf and re-generate the original data |
| 270 | */ |
| 271 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 272 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 273 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame] | 274 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 275 | dummy.buf_filled_len = 0; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 276 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 277 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 278 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 279 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 280 | "expected", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 281 | free(buf); |
| 282 | } |
| 283 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 284 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 285 | { |
| 286 | unsigned long long offset; |
| 287 | |
| 288 | offset = vc->io_u->offset; |
| 289 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 290 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 291 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 292 | |
| 293 | if (vc->good_crc && vc->bad_crc) { |
| 294 | log_err(" Expected CRC: "); |
| 295 | hexdump(vc->good_crc, vc->crc_len); |
| 296 | log_err(" Received CRC: "); |
| 297 | hexdump(vc->bad_crc, vc->crc_len); |
| 298 | } |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 299 | |
| 300 | dump_verify_buffers(hdr, vc); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 301 | } |
| 302 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 303 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 304 | * Return data area 'header_num' |
| 305 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 306 | 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] | 307 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 308 | 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] | 309 | } |
| 310 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 311 | static unsigned int hweight8(unsigned int w) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 312 | { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 313 | unsigned int res = w - ((w >> 1) & 0x55); |
| 314 | |
| 315 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 316 | return (res + (res >> 4)) & 0x0F; |
| 317 | } |
| 318 | |
| 319 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
| 320 | { |
| 321 | struct thread_data *td = vc->td; |
| 322 | struct io_u *io_u = vc->io_u; |
| 323 | char *buf, *pattern; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 324 | unsigned int header_size = __hdr_size(td->o.verify); |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 325 | unsigned int len, mod, i, size, pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 326 | |
| 327 | pattern = td->o.verify_pattern; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 328 | pattern_size = td->o.verify_pattern_bytes; |
| 329 | if (pattern_size <= 1) |
| 330 | pattern_size = MAX_PATTERN_SIZE; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 331 | buf = (void *) hdr + header_size; |
| 332 | len = get_hdr_inc(td, io_u) - header_size; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 333 | mod = header_size % pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 334 | |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 335 | for (i = 0; i < len; i += size) { |
| 336 | size = pattern_size - mod; |
| 337 | if (size > (len - i)) |
| 338 | size = len - i; |
| 339 | if (memcmp(buf + i, pattern + mod, size)) |
Jens Axboe | e4ad68b | 2012-02-23 08:35:04 +0100 | [diff] [blame] | 340 | /* Let the slow compare find the first mismatch byte. */ |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 341 | break; |
| 342 | mod = 0; |
| 343 | } |
| 344 | |
| 345 | for (; i < len; i++) { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 346 | if (buf[i] != pattern[mod]) { |
| 347 | unsigned int bits; |
| 348 | |
| 349 | bits = hweight8(buf[i] ^ pattern[mod]); |
| 350 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 351 | buf[i], pattern[mod], bits); |
| 352 | log_err("fio: bad pattern block offset %u\n", i); |
| 353 | dump_verify_buffers(hdr, vc); |
| 354 | return EILSEQ; |
| 355 | } |
| 356 | mod++; |
| 357 | if (mod == td->o.verify_pattern_bytes) |
| 358 | mod = 0; |
| 359 | } |
| 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
| 364 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) |
| 365 | { |
| 366 | struct thread_data *td = vc->td; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 367 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 368 | struct io_u *io_u = vc->io_u; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 369 | int ret = EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 370 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 371 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 372 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 373 | 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] | 374 | ret = 0; |
| 375 | |
| 376 | if (td->o.verify_pattern_bytes) |
| 377 | ret |= verify_io_u_pattern(hdr, vc); |
| 378 | |
| 379 | if (!ret) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 380 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 381 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 382 | vc->name = "meta"; |
| 383 | log_verify_failure(hdr, vc); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 384 | return ret; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 385 | } |
| 386 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 387 | 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] | 388 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 389 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 390 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 391 | uint8_t sha512[128]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 392 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 393 | .buf = sha512, |
| 394 | }; |
| 395 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 396 | 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] | 397 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 398 | fio_sha512_init(&sha512_ctx); |
| 399 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 400 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 401 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 402 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 403 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 404 | vc->name = "sha512"; |
| 405 | vc->good_crc = vh->sha512; |
| 406 | vc->bad_crc = sha512_ctx.buf; |
| 407 | vc->crc_len = sizeof(vh->sha512); |
| 408 | log_verify_failure(hdr, vc); |
| 409 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 410 | } |
| 411 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 412 | 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] | 413 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 414 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 415 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 416 | uint8_t sha256[64]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 417 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 418 | .buf = sha256, |
| 419 | }; |
| 420 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 421 | 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] | 422 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 423 | fio_sha256_init(&sha256_ctx); |
| 424 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 425 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 426 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 427 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 428 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 429 | vc->name = "sha256"; |
| 430 | vc->good_crc = vh->sha256; |
| 431 | vc->bad_crc = sha256_ctx.buf; |
| 432 | vc->crc_len = sizeof(vh->sha256); |
| 433 | log_verify_failure(hdr, vc); |
| 434 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 435 | } |
| 436 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 437 | 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] | 438 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 439 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 440 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 441 | uint32_t sha1[5]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 442 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 443 | .H = sha1, |
| 444 | }; |
| 445 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 446 | 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] | 447 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 448 | fio_sha1_init(&sha1_ctx); |
| 449 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 450 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 451 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 452 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 453 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 454 | vc->name = "sha1"; |
| 455 | vc->good_crc = vh->sha1; |
| 456 | vc->bad_crc = sha1_ctx.H; |
| 457 | vc->crc_len = sizeof(vh->sha1); |
| 458 | log_verify_failure(hdr, vc); |
| 459 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 460 | } |
| 461 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 462 | 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] | 463 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 464 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 465 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 466 | unsigned char c; |
| 467 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 468 | 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] | 469 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 470 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 471 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 472 | if (c == vh->crc7) |
| 473 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 474 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 475 | vc->name = "crc7"; |
| 476 | vc->good_crc = &vh->crc7; |
| 477 | vc->bad_crc = &c; |
| 478 | vc->crc_len = 1; |
| 479 | log_verify_failure(hdr, vc); |
| 480 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 481 | } |
| 482 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 483 | 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] | 484 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 485 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 486 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 487 | unsigned short c; |
| 488 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 489 | 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] | 490 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 491 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 492 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 493 | if (c == vh->crc16) |
| 494 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 495 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 496 | vc->name = "crc16"; |
| 497 | vc->good_crc = &vh->crc16; |
| 498 | vc->bad_crc = &c; |
| 499 | vc->crc_len = 2; |
| 500 | log_verify_failure(hdr, vc); |
| 501 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 502 | } |
| 503 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 504 | 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] | 505 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 506 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 507 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 508 | unsigned long long c; |
| 509 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 510 | 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] | 511 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 512 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 513 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 514 | if (c == vh->crc64) |
| 515 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 516 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 517 | vc->name = "crc64"; |
| 518 | vc->good_crc = &vh->crc64; |
| 519 | vc->bad_crc = &c; |
| 520 | vc->crc_len = 8; |
| 521 | log_verify_failure(hdr, vc); |
| 522 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 523 | } |
| 524 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 525 | 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] | 526 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 527 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 528 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 529 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 530 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 531 | 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] | 532 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 533 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 534 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 535 | if (c == vh->crc32) |
| 536 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 537 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 538 | vc->name = "crc32"; |
| 539 | vc->good_crc = &vh->crc32; |
| 540 | vc->bad_crc = &c; |
| 541 | vc->crc_len = 4; |
| 542 | log_verify_failure(hdr, vc); |
| 543 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 544 | } |
| 545 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 546 | 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] | 547 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 548 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 549 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 550 | uint32_t c; |
| 551 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 552 | 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] | 553 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 554 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 555 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 556 | if (c == vh->crc32) |
| 557 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 558 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 559 | vc->name = "crc32c"; |
| 560 | vc->good_crc = &vh->crc32; |
| 561 | vc->bad_crc = &c; |
| 562 | vc->crc_len = 4; |
| 563 | log_verify_failure(hdr, vc); |
| 564 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 565 | } |
| 566 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 567 | 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] | 568 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 569 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 570 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 571 | uint32_t hash[MD5_HASH_WORDS]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 572 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 573 | .hash = hash, |
| 574 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 575 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 576 | 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] | 577 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 578 | fio_md5_init(&md5_ctx); |
| 579 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 580 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 581 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 582 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 583 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 584 | vc->name = "md5"; |
| 585 | vc->good_crc = vh->md5_digest; |
| 586 | vc->bad_crc = md5_ctx.hash; |
| 587 | vc->crc_len = sizeof(hash); |
| 588 | log_verify_failure(hdr, vc); |
| 589 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 590 | } |
| 591 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 592 | /* |
| 593 | * Push IO verification to a separate thread |
| 594 | */ |
| 595 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 596 | { |
| 597 | if (io_u->file) |
| 598 | put_file_log(td, io_u->file); |
| 599 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 600 | pthread_mutex_lock(&td->io_u_lock); |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 601 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 602 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 603 | td->cur_depth--; |
| 604 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 605 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 606 | flist_del(&io_u->list); |
| 607 | flist_add_tail(&io_u->list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 608 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 609 | pthread_mutex_unlock(&td->io_u_lock); |
| 610 | |
| 611 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 612 | return 0; |
| 613 | } |
| 614 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 615 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 616 | { |
| 617 | static char zero_buf[1024]; |
| 618 | unsigned int this_len, len; |
| 619 | int ret = 0; |
| 620 | void *p; |
| 621 | |
| 622 | if (!td->o.trim_zero) |
| 623 | return 0; |
| 624 | |
| 625 | len = io_u->buflen; |
| 626 | p = io_u->buf; |
| 627 | do { |
| 628 | this_len = sizeof(zero_buf); |
| 629 | if (this_len > len) |
| 630 | this_len = len; |
| 631 | if (memcmp(p, zero_buf, this_len)) { |
| 632 | ret = EILSEQ; |
| 633 | break; |
| 634 | } |
| 635 | len -= this_len; |
| 636 | p += this_len; |
| 637 | } while (len); |
| 638 | |
| 639 | if (!ret) |
| 640 | return 0; |
| 641 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 642 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 643 | ", block offset %lu\n", |
| 644 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 645 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 646 | return ret; |
| 647 | } |
| 648 | |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 649 | 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] | 650 | { |
| 651 | void *p = hdr; |
| 652 | uint32_t crc; |
| 653 | |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 654 | if (hdr->magic != FIO_HDR_MAGIC) |
| 655 | return 0; |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 656 | if (hdr->len > io_u->buflen) { |
| 657 | log_err("fio: verify header exceeds buffer length (%u > %lu)\n", hdr->len, io_u->buflen); |
| 658 | return 0; |
| 659 | } |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 660 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 661 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 662 | if (crc == hdr->crc32) |
| 663 | return 1; |
| 664 | |
| 665 | log_err("fio: verify header crc %x, calculated %x\n", hdr->crc32, crc); |
| 666 | return 0; |
| 667 | } |
| 668 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 669 | 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] | 670 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 671 | struct verify_header *hdr; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 672 | unsigned int header_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 673 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 674 | int ret; |
| 675 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 676 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 677 | return 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 678 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 679 | ret = verify_trimmed_io_u(td, io_u); |
| 680 | goto done; |
| 681 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 682 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 683 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 684 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 685 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 686 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 687 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 688 | struct vcont vc = { |
| 689 | .io_u = io_u, |
| 690 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 691 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 692 | }; |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 693 | unsigned int verify_type; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 694 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 695 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 696 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 697 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 698 | header_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 699 | if (td->o.verify_offset) |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 700 | memswp(p, p + td->o.verify_offset, header_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 701 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 702 | |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 703 | if (!verify_header(io_u, hdr)) { |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 704 | log_err("verify: bad magic header %x, wanted %x at " |
| 705 | "file %s offset %llu, length %u\n", |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 706 | hdr->magic, FIO_HDR_MAGIC, |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 707 | io_u->file->file_name, |
| 708 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 709 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 710 | } |
| 711 | |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 712 | if (td->o.verify != VERIFY_NONE) |
| 713 | verify_type = td->o.verify; |
| 714 | else |
| 715 | verify_type = hdr->verify_type; |
| 716 | |
| 717 | switch (verify_type) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 718 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 719 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 720 | break; |
| 721 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 722 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 723 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 724 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 725 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 726 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 727 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 728 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 729 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 730 | break; |
| 731 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 732 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 733 | break; |
| 734 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 735 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 736 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 737 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 738 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 739 | break; |
| 740 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 741 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 742 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 743 | case VERIFY_META: |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 744 | ret = verify_io_u_meta(hdr, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 745 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 746 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 747 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 748 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 749 | case VERIFY_PATTERN: |
| 750 | ret = verify_io_u_pattern(hdr, &vc); |
| 751 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 752 | default: |
| 753 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 754 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 755 | } |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 756 | |
| 757 | if (ret && verify_type != hdr->verify_type) |
| 758 | log_err("fio: verify type mismatch (%u media, %u given)\n", |
| 759 | hdr->verify_type, verify_type); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 760 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 761 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 762 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 763 | if (ret && td->o.verify_fatal) |
| 764 | td->terminate = 1; |
| 765 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 766 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 767 | } |
| 768 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 769 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 770 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 771 | { |
| 772 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 773 | |
| 774 | vh->thread = td->thread_number; |
| 775 | |
| 776 | vh->time_sec = io_u->start_time.tv_sec; |
| 777 | vh->time_usec = io_u->start_time.tv_usec; |
| 778 | |
| 779 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 780 | |
| 781 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 782 | } |
| 783 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 784 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 785 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 786 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 787 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 788 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 789 | }; |
| 790 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 791 | fio_sha512_init(&sha512_ctx); |
| 792 | fio_sha512_update(&sha512_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 796 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 797 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 798 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 799 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 800 | }; |
| 801 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 802 | fio_sha256_init(&sha256_ctx); |
| 803 | fio_sha256_update(&sha256_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 804 | } |
| 805 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 806 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 807 | { |
| 808 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 809 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 810 | .H = vh->sha1, |
| 811 | }; |
| 812 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 813 | fio_sha1_init(&sha1_ctx); |
| 814 | fio_sha1_update(&sha1_ctx, p, len); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 815 | } |
| 816 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 817 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 818 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 819 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 820 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 821 | vh->crc7 = fio_crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 822 | } |
| 823 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 824 | static void fill_crc16(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_crc16 *vh = hdr_priv(hdr); |
| 827 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 828 | vh->crc16 = fio_crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 829 | } |
| 830 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 831 | static void fill_crc32(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_crc32 *vh = hdr_priv(hdr); |
| 834 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 835 | vh->crc32 = fio_crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 836 | } |
| 837 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 838 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 839 | { |
| 840 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 841 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 842 | vh->crc32 = fio_crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 843 | } |
| 844 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 845 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 846 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 847 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 848 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 849 | vh->crc64 = fio_crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 850 | } |
| 851 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 852 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 853 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 854 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 855 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 856 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 857 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 858 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 859 | fio_md5_init(&md5_ctx); |
| 860 | fio_md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 861 | } |
| 862 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 863 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 864 | struct verify_header *hdr, unsigned int header_num, |
| 865 | unsigned int header_len) |
| 866 | { |
| 867 | unsigned int data_len; |
| 868 | void *data, *p; |
| 869 | |
| 870 | p = (void *) hdr; |
| 871 | |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 872 | hdr->magic = FIO_HDR_MAGIC; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 873 | hdr->verify_type = td->o.verify; |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 874 | hdr->len = header_len; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 875 | hdr->rand_seed = io_u->rand_seed; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 876 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 877 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 878 | data_len = header_len - hdr_size(hdr); |
| 879 | |
| 880 | data = p + hdr_size(hdr); |
| 881 | switch (td->o.verify) { |
| 882 | case VERIFY_MD5: |
| 883 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 884 | io_u, hdr->len); |
| 885 | fill_md5(hdr, data, data_len); |
| 886 | break; |
| 887 | case VERIFY_CRC64: |
| 888 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 889 | io_u, hdr->len); |
| 890 | fill_crc64(hdr, data, data_len); |
| 891 | break; |
| 892 | case VERIFY_CRC32C: |
| 893 | case VERIFY_CRC32C_INTEL: |
| 894 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 895 | io_u, hdr->len); |
| 896 | fill_crc32c(hdr, data, data_len); |
| 897 | break; |
| 898 | case VERIFY_CRC32: |
| 899 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 900 | io_u, hdr->len); |
| 901 | fill_crc32(hdr, data, data_len); |
| 902 | break; |
| 903 | case VERIFY_CRC16: |
| 904 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 905 | io_u, hdr->len); |
| 906 | fill_crc16(hdr, data, data_len); |
| 907 | break; |
| 908 | case VERIFY_CRC7: |
| 909 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 910 | io_u, hdr->len); |
| 911 | fill_crc7(hdr, data, data_len); |
| 912 | break; |
| 913 | case VERIFY_SHA256: |
| 914 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 915 | io_u, hdr->len); |
| 916 | fill_sha256(hdr, data, data_len); |
| 917 | break; |
| 918 | case VERIFY_SHA512: |
| 919 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 920 | io_u, hdr->len); |
| 921 | fill_sha512(hdr, data, data_len); |
| 922 | break; |
| 923 | case VERIFY_META: |
| 924 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 925 | io_u, hdr->len); |
| 926 | fill_meta(hdr, td, io_u, header_num); |
| 927 | break; |
| 928 | case VERIFY_SHA1: |
| 929 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 930 | io_u, hdr->len); |
| 931 | fill_sha1(hdr, data, data_len); |
| 932 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 933 | case VERIFY_PATTERN: |
| 934 | /* nothing to do here */ |
| 935 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 936 | default: |
| 937 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 938 | assert(0); |
| 939 | } |
| 940 | if (td->o.verify_offset) |
| 941 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 942 | } |
| 943 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 944 | /* |
| 945 | * 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] | 946 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 947 | */ |
| 948 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 949 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 950 | if (td->o.verify == VERIFY_NULL) |
| 951 | return; |
| 952 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 953 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 957 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 958 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 959 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 960 | /* |
| 961 | * this io_u is from a requeue, we already filled the offsets |
| 962 | */ |
| 963 | if (io_u->file) |
| 964 | return 0; |
| 965 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 966 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 967 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 968 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 969 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 970 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 971 | assert(ipo->flags & IP_F_ONRB); |
| 972 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 973 | } else if (!flist_empty(&td->io_hist_list)) { |
| 974 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
| 975 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 976 | assert(ipo->flags & IP_F_ONLIST); |
| 977 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 978 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 979 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 980 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 981 | td->io_hist_len--; |
| 982 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 983 | io_u->offset = ipo->offset; |
| 984 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 985 | io_u->file = ipo->file; |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 986 | io_u->flags |= IO_U_F_VER_LIST; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 987 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 988 | if (ipo->flags & IP_F_TRIMMED) |
| 989 | io_u->flags |= IO_U_F_TRIMMED; |
| 990 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 991 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 992 | int r = td_io_open_file(td, io_u->file); |
| 993 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 994 | if (r) { |
| 995 | dprint(FD_VERIFY, "failed file %s open\n", |
| 996 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 997 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 998 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 999 | } |
| 1000 | |
| 1001 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1002 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1003 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1004 | io_u->xfer_buf = io_u->buf; |
| 1005 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1006 | |
| 1007 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1008 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1009 | 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] | 1010 | return 0; |
| 1011 | } |
| 1012 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1013 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1014 | return 1; |
| 1015 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1016 | |
| 1017 | static void *verify_async_thread(void *data) |
| 1018 | { |
| 1019 | struct thread_data *td = data; |
| 1020 | struct io_u *io_u; |
| 1021 | int ret = 0; |
| 1022 | |
| 1023 | if (td->o.verify_cpumask_set && |
| 1024 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 1025 | log_err("fio: failed setting verify thread affinity\n"); |
| 1026 | goto done; |
| 1027 | } |
| 1028 | |
| 1029 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1030 | FLIST_HEAD(list); |
| 1031 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1032 | read_barrier(); |
| 1033 | if (td->verify_thread_exit) |
| 1034 | break; |
| 1035 | |
| 1036 | pthread_mutex_lock(&td->io_u_lock); |
| 1037 | |
| 1038 | while (flist_empty(&td->verify_list) && |
| 1039 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 1040 | ret = pthread_cond_wait(&td->verify_cond, |
| 1041 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1042 | if (ret) { |
| 1043 | pthread_mutex_unlock(&td->io_u_lock); |
| 1044 | break; |
| 1045 | } |
| 1046 | } |
| 1047 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1048 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1049 | pthread_mutex_unlock(&td->io_u_lock); |
| 1050 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1051 | if (flist_empty(&list)) |
| 1052 | continue; |
| 1053 | |
| 1054 | while (!flist_empty(&list)) { |
| 1055 | io_u = flist_entry(list.next, struct io_u, list); |
| 1056 | flist_del_init(&io_u->list); |
| 1057 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1058 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1059 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1060 | if (!ret) |
| 1061 | continue; |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1062 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1063 | update_error_count(td, ret); |
| 1064 | td_clear_error(td); |
| 1065 | ret = 0; |
| 1066 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1067 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1068 | } while (!ret); |
| 1069 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1070 | if (ret) { |
| 1071 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1072 | if (td->o.verify_fatal) |
| 1073 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1074 | } |
| 1075 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1076 | done: |
| 1077 | pthread_mutex_lock(&td->io_u_lock); |
| 1078 | td->nr_verify_threads--; |
| 1079 | pthread_mutex_unlock(&td->io_u_lock); |
| 1080 | |
| 1081 | pthread_cond_signal(&td->free_cond); |
| 1082 | return NULL; |
| 1083 | } |
| 1084 | |
| 1085 | int verify_async_init(struct thread_data *td) |
| 1086 | { |
| 1087 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1088 | pthread_attr_t attr; |
| 1089 | |
| 1090 | pthread_attr_init(&attr); |
| 1091 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1092 | |
| 1093 | td->verify_thread_exit = 0; |
| 1094 | |
| 1095 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1096 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1097 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1098 | verify_async_thread, td); |
| 1099 | if (ret) { |
| 1100 | log_err("fio: async verify creation failed: %s\n", |
| 1101 | strerror(ret)); |
| 1102 | break; |
| 1103 | } |
| 1104 | ret = pthread_detach(td->verify_threads[i]); |
| 1105 | if (ret) { |
| 1106 | log_err("fio: async verify thread detach failed: %s\n", |
| 1107 | strerror(ret)); |
| 1108 | break; |
| 1109 | } |
| 1110 | td->nr_verify_threads++; |
| 1111 | } |
| 1112 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1113 | pthread_attr_destroy(&attr); |
| 1114 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1115 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1116 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1117 | td->verify_thread_exit = 1; |
| 1118 | write_barrier(); |
| 1119 | pthread_cond_broadcast(&td->verify_cond); |
| 1120 | return 1; |
| 1121 | } |
| 1122 | |
| 1123 | return 0; |
| 1124 | } |
| 1125 | |
| 1126 | void verify_async_exit(struct thread_data *td) |
| 1127 | { |
| 1128 | td->verify_thread_exit = 1; |
| 1129 | write_barrier(); |
| 1130 | pthread_cond_broadcast(&td->verify_cond); |
| 1131 | |
| 1132 | pthread_mutex_lock(&td->io_u_lock); |
| 1133 | |
| 1134 | while (td->nr_verify_threads) |
| 1135 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1136 | |
| 1137 | pthread_mutex_unlock(&td->io_u_lock); |
| 1138 | free(td->verify_threads); |
| 1139 | td->verify_threads = NULL; |
| 1140 | } |