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 | 51aa2da | 2013-01-21 10:55:02 -0700 | [diff] [blame] | 16 | #include "lib/hweight.h" |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 17 | |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 18 | #include "crc/md5.h" |
| 19 | #include "crc/crc64.h" |
| 20 | #include "crc/crc32.h" |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 21 | #include "crc/crc32c.h" |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 22 | #include "crc/crc16.h" |
| 23 | #include "crc/crc7.h" |
| 24 | #include "crc/sha256.h" |
| 25 | #include "crc/sha512.h" |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 26 | #include "crc/sha1.h" |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 27 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 28 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 29 | struct verify_header *hdr, unsigned int header_num, |
| 30 | unsigned int header_len); |
| 31 | |
| 32 | 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] | 33 | { |
| 34 | switch (td->o.verify_pattern_bytes) { |
| 35 | case 0: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 36 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 37 | if (use_seed) |
| 38 | __fill_random_buf(p, len, seed); |
| 39 | else |
Jens Axboe | 3545a10 | 2011-08-31 15:20:15 -0600 | [diff] [blame] | 40 | io_u->rand_seed = fill_random_buf(&td->buf_state, p, len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 41 | break; |
| 42 | case 1: |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 43 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 44 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
| 45 | return; |
| 46 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 47 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 48 | memset(p, td->o.verify_pattern[0], len); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 49 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 50 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 51 | default: { |
| 52 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 53 | unsigned char *b = p; |
| 54 | |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 55 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 56 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 57 | td->o.verify_pattern_bytes, len); |
| 58 | return; |
| 59 | } |
Jens Axboe | 81f0366 | 2012-02-02 09:20:09 +0100 | [diff] [blame] | 60 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 61 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 62 | td->o.verify_pattern_bytes, len); |
| 63 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 64 | while (i < len) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 65 | size = td->o.verify_pattern_bytes; |
| 66 | if (size > (len - i)) |
| 67 | size = len - i; |
| 68 | memcpy(b+i, td->o.verify_pattern, size); |
| 69 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 70 | } |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 71 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 72 | break; |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 77 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
| 78 | { |
| 79 | unsigned int hdr_inc; |
| 80 | |
| 81 | hdr_inc = io_u->buflen; |
Jens Axboe | 8a99fdf | 2012-03-06 19:24:49 +0100 | [diff] [blame] | 82 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 83 | hdr_inc = td->o.verify_interval; |
| 84 | |
| 85 | return hdr_inc; |
| 86 | } |
| 87 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 88 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 89 | unsigned long seed, int use_seed) |
| 90 | { |
| 91 | unsigned int hdr_inc, header_num; |
| 92 | struct verify_header *hdr; |
| 93 | void *p = io_u->buf; |
| 94 | |
| 95 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
| 96 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 97 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 98 | header_num = 0; |
| 99 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 100 | hdr = p; |
| 101 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 102 | header_num++; |
| 103 | } |
| 104 | } |
| 105 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 106 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 107 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 108 | char swap[200]; |
| 109 | |
| 110 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 111 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 112 | memcpy(&swap, buf1, len); |
| 113 | memcpy(buf1, buf2, len); |
| 114 | memcpy(buf2, &swap, len); |
| 115 | } |
| 116 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 117 | static void hexdump(void *buffer, int len) |
| 118 | { |
| 119 | unsigned char *p = buffer; |
| 120 | int i; |
| 121 | |
| 122 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 123 | log_err("%02x", p[i]); |
| 124 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 125 | } |
| 126 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 127 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 128 | * Prepare for seperation of verify_header and checksum header |
| 129 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 130 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 131 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 132 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 133 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 134 | switch (verify_type) { |
| 135 | case VERIFY_NONE: |
| 136 | case VERIFY_NULL: |
| 137 | len = 0; |
| 138 | break; |
| 139 | case VERIFY_MD5: |
| 140 | len = sizeof(struct vhdr_md5); |
| 141 | break; |
| 142 | case VERIFY_CRC64: |
| 143 | len = sizeof(struct vhdr_crc64); |
| 144 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 145 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 146 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 147 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 148 | len = sizeof(struct vhdr_crc32); |
| 149 | break; |
| 150 | case VERIFY_CRC16: |
| 151 | len = sizeof(struct vhdr_crc16); |
| 152 | break; |
| 153 | case VERIFY_CRC7: |
| 154 | len = sizeof(struct vhdr_crc7); |
| 155 | break; |
| 156 | case VERIFY_SHA256: |
| 157 | len = sizeof(struct vhdr_sha256); |
| 158 | break; |
| 159 | case VERIFY_SHA512: |
| 160 | len = sizeof(struct vhdr_sha512); |
| 161 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 162 | case VERIFY_META: |
| 163 | len = sizeof(struct vhdr_meta); |
| 164 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 165 | case VERIFY_SHA1: |
| 166 | len = sizeof(struct vhdr_sha1); |
| 167 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 168 | case VERIFY_PATTERN: |
| 169 | len = 0; |
| 170 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 171 | default: |
| 172 | log_err("fio: unknown verify header!\n"); |
| 173 | assert(0); |
| 174 | } |
| 175 | |
| 176 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 180 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 181 | return __hdr_size(hdr->verify_type); |
| 182 | } |
| 183 | |
| 184 | static void *hdr_priv(struct verify_header *hdr) |
| 185 | { |
| 186 | void *priv = hdr; |
| 187 | |
| 188 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 192 | * Verify container, pass info to verify handlers and allow them to |
| 193 | * pass info back in case of error |
| 194 | */ |
| 195 | struct vcont { |
| 196 | /* |
| 197 | * Input |
| 198 | */ |
| 199 | struct io_u *io_u; |
| 200 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 201 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 202 | |
| 203 | /* |
| 204 | * Output, only valid in case of error |
| 205 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 206 | const char *name; |
| 207 | void *good_crc; |
| 208 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 209 | unsigned int crc_len; |
| 210 | }; |
| 211 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 212 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 213 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 214 | { |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 215 | char *ptr, fname[256]; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 216 | int ret, fd; |
| 217 | |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 218 | ptr = strdup(f->file_name); |
| 219 | strcpy(fname, basename(ptr)); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 220 | |
| 221 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 222 | |
| 223 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 224 | if (fd < 0) { |
| 225 | perror("open verify buf file"); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | while (len) { |
| 230 | ret = write(fd, buf, len); |
| 231 | if (!ret) |
| 232 | break; |
| 233 | else if (ret < 0) { |
| 234 | perror("write verify buf file"); |
| 235 | break; |
| 236 | } |
| 237 | len -= ret; |
| 238 | buf += ret; |
| 239 | } |
| 240 | |
| 241 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 242 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 243 | free(ptr); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 244 | } |
| 245 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 246 | /* |
| 247 | * Dump the contents of the read block and re-generate the correct data |
| 248 | * and dump that too. |
| 249 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 250 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 251 | { |
| 252 | struct thread_data *td = vc->td; |
| 253 | struct io_u *io_u = vc->io_u; |
| 254 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 255 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 256 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 257 | |
Steven Lang | 0dce9bc | 2011-10-25 22:41:05 +0200 | [diff] [blame] | 258 | if (!td->o.verify_dump) |
| 259 | return; |
| 260 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 261 | /* |
| 262 | * Dump the contents we just read off disk |
| 263 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 264 | hdr_offset = vc->hdr_num * hdr->len; |
| 265 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 266 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 267 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 268 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 269 | /* |
| 270 | * Allocate a new buf and re-generate the original data |
| 271 | */ |
| 272 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 273 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 274 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame] | 275 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 276 | dummy.buf_filled_len = 0; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 277 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 278 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 279 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 280 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 281 | "expected", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 282 | free(buf); |
| 283 | } |
| 284 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 285 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 286 | { |
| 287 | unsigned long long offset; |
| 288 | |
| 289 | offset = vc->io_u->offset; |
| 290 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 291 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 292 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 293 | |
| 294 | if (vc->good_crc && vc->bad_crc) { |
| 295 | log_err(" Expected CRC: "); |
| 296 | hexdump(vc->good_crc, vc->crc_len); |
| 297 | log_err(" Received CRC: "); |
| 298 | hexdump(vc->bad_crc, vc->crc_len); |
| 299 | } |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 300 | |
| 301 | dump_verify_buffers(hdr, vc); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 302 | } |
| 303 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 304 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 305 | * Return data area 'header_num' |
| 306 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 307 | 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] | 308 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 309 | 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] | 310 | } |
| 311 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 312 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
| 313 | { |
| 314 | struct thread_data *td = vc->td; |
| 315 | struct io_u *io_u = vc->io_u; |
| 316 | char *buf, *pattern; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 317 | unsigned int header_size = __hdr_size(td->o.verify); |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 318 | unsigned int len, mod, i, size, pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 319 | |
| 320 | pattern = td->o.verify_pattern; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 321 | pattern_size = td->o.verify_pattern_bytes; |
| 322 | if (pattern_size <= 1) |
| 323 | pattern_size = MAX_PATTERN_SIZE; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 324 | buf = (void *) hdr + header_size; |
| 325 | len = get_hdr_inc(td, io_u) - header_size; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 326 | mod = header_size % pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 327 | |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 328 | for (i = 0; i < len; i += size) { |
| 329 | size = pattern_size - mod; |
| 330 | if (size > (len - i)) |
| 331 | size = len - i; |
| 332 | if (memcmp(buf + i, pattern + mod, size)) |
Jens Axboe | e4ad68b | 2012-02-23 08:35:04 +0100 | [diff] [blame] | 333 | /* Let the slow compare find the first mismatch byte. */ |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 334 | break; |
| 335 | mod = 0; |
| 336 | } |
| 337 | |
| 338 | for (; i < len; i++) { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 339 | if (buf[i] != pattern[mod]) { |
| 340 | unsigned int bits; |
| 341 | |
| 342 | bits = hweight8(buf[i] ^ pattern[mod]); |
| 343 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 344 | buf[i], pattern[mod], bits); |
| 345 | log_err("fio: bad pattern block offset %u\n", i); |
| 346 | dump_verify_buffers(hdr, vc); |
| 347 | return EILSEQ; |
| 348 | } |
| 349 | mod++; |
| 350 | if (mod == td->o.verify_pattern_bytes) |
| 351 | mod = 0; |
| 352 | } |
| 353 | |
| 354 | return 0; |
| 355 | } |
| 356 | |
| 357 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) |
| 358 | { |
| 359 | struct thread_data *td = vc->td; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 360 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 361 | struct io_u *io_u = vc->io_u; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 362 | int ret = EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 363 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 364 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 365 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 366 | 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] | 367 | ret = 0; |
| 368 | |
| 369 | if (td->o.verify_pattern_bytes) |
| 370 | ret |= verify_io_u_pattern(hdr, vc); |
| 371 | |
| 372 | if (!ret) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 373 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 374 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 375 | vc->name = "meta"; |
| 376 | log_verify_failure(hdr, vc); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 377 | return ret; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 378 | } |
| 379 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 380 | 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] | 381 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 382 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 383 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 384 | uint8_t sha512[128]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 385 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 386 | .buf = sha512, |
| 387 | }; |
| 388 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 389 | 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] | 390 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 391 | fio_sha512_init(&sha512_ctx); |
| 392 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 393 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 394 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 395 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 396 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 397 | vc->name = "sha512"; |
| 398 | vc->good_crc = vh->sha512; |
| 399 | vc->bad_crc = sha512_ctx.buf; |
| 400 | vc->crc_len = sizeof(vh->sha512); |
| 401 | log_verify_failure(hdr, vc); |
| 402 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 403 | } |
| 404 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 405 | 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] | 406 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 407 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 408 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 409 | uint8_t sha256[64]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 410 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 411 | .buf = sha256, |
| 412 | }; |
| 413 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 414 | 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] | 415 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 416 | fio_sha256_init(&sha256_ctx); |
| 417 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 418 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 419 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 420 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 421 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 422 | vc->name = "sha256"; |
| 423 | vc->good_crc = vh->sha256; |
| 424 | vc->bad_crc = sha256_ctx.buf; |
| 425 | vc->crc_len = sizeof(vh->sha256); |
| 426 | log_verify_failure(hdr, vc); |
| 427 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 428 | } |
| 429 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 430 | 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] | 431 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 432 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 433 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 434 | uint32_t sha1[5]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 435 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 436 | .H = sha1, |
| 437 | }; |
| 438 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 439 | 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] | 440 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 441 | fio_sha1_init(&sha1_ctx); |
| 442 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 443 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 444 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 445 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 446 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 447 | vc->name = "sha1"; |
| 448 | vc->good_crc = vh->sha1; |
| 449 | vc->bad_crc = sha1_ctx.H; |
| 450 | vc->crc_len = sizeof(vh->sha1); |
| 451 | log_verify_failure(hdr, vc); |
| 452 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 453 | } |
| 454 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 455 | 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] | 456 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 457 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 458 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 459 | unsigned char c; |
| 460 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 461 | 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] | 462 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 463 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 464 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 465 | if (c == vh->crc7) |
| 466 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 467 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 468 | vc->name = "crc7"; |
| 469 | vc->good_crc = &vh->crc7; |
| 470 | vc->bad_crc = &c; |
| 471 | vc->crc_len = 1; |
| 472 | log_verify_failure(hdr, vc); |
| 473 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 474 | } |
| 475 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 476 | 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] | 477 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 478 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 479 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 480 | unsigned short c; |
| 481 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 482 | 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] | 483 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 484 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 485 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 486 | if (c == vh->crc16) |
| 487 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 488 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 489 | vc->name = "crc16"; |
| 490 | vc->good_crc = &vh->crc16; |
| 491 | vc->bad_crc = &c; |
| 492 | vc->crc_len = 2; |
| 493 | log_verify_failure(hdr, vc); |
| 494 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 495 | } |
| 496 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 497 | 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] | 498 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 499 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 500 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 501 | unsigned long long c; |
| 502 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 503 | 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] | 504 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 505 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 506 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 507 | if (c == vh->crc64) |
| 508 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 509 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 510 | vc->name = "crc64"; |
| 511 | vc->good_crc = &vh->crc64; |
| 512 | vc->bad_crc = &c; |
| 513 | vc->crc_len = 8; |
| 514 | log_verify_failure(hdr, vc); |
| 515 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 516 | } |
| 517 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 518 | 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] | 519 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 520 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 521 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 522 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 523 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 524 | 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] | 525 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 526 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 527 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 528 | if (c == vh->crc32) |
| 529 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 530 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 531 | vc->name = "crc32"; |
| 532 | vc->good_crc = &vh->crc32; |
| 533 | vc->bad_crc = &c; |
| 534 | vc->crc_len = 4; |
| 535 | log_verify_failure(hdr, vc); |
| 536 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 537 | } |
| 538 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 539 | 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] | 540 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 541 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 542 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 543 | uint32_t c; |
| 544 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 545 | 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] | 546 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 547 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 548 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 549 | if (c == vh->crc32) |
| 550 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 551 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 552 | vc->name = "crc32c"; |
| 553 | vc->good_crc = &vh->crc32; |
| 554 | vc->bad_crc = &c; |
| 555 | vc->crc_len = 4; |
| 556 | log_verify_failure(hdr, vc); |
| 557 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 558 | } |
| 559 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 560 | 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] | 561 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 562 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 563 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 564 | uint32_t hash[MD5_HASH_WORDS]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 565 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 566 | .hash = hash, |
| 567 | }; |
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 | 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] | 570 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 571 | fio_md5_init(&md5_ctx); |
| 572 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 573 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 574 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 575 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 576 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 577 | vc->name = "md5"; |
| 578 | vc->good_crc = vh->md5_digest; |
| 579 | vc->bad_crc = md5_ctx.hash; |
| 580 | vc->crc_len = sizeof(hash); |
| 581 | log_verify_failure(hdr, vc); |
| 582 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 583 | } |
| 584 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 585 | /* |
| 586 | * Push IO verification to a separate thread |
| 587 | */ |
| 588 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 589 | { |
| 590 | if (io_u->file) |
| 591 | put_file_log(td, io_u->file); |
| 592 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 593 | pthread_mutex_lock(&td->io_u_lock); |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 594 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 595 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 596 | td->cur_depth--; |
| 597 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 598 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 599 | flist_del(&io_u->list); |
| 600 | flist_add_tail(&io_u->list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 601 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 602 | pthread_mutex_unlock(&td->io_u_lock); |
| 603 | |
| 604 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 605 | return 0; |
| 606 | } |
| 607 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 608 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 609 | { |
| 610 | static char zero_buf[1024]; |
| 611 | unsigned int this_len, len; |
| 612 | int ret = 0; |
| 613 | void *p; |
| 614 | |
| 615 | if (!td->o.trim_zero) |
| 616 | return 0; |
| 617 | |
| 618 | len = io_u->buflen; |
| 619 | p = io_u->buf; |
| 620 | do { |
| 621 | this_len = sizeof(zero_buf); |
| 622 | if (this_len > len) |
| 623 | this_len = len; |
| 624 | if (memcmp(p, zero_buf, this_len)) { |
| 625 | ret = EILSEQ; |
| 626 | break; |
| 627 | } |
| 628 | len -= this_len; |
| 629 | p += this_len; |
| 630 | } while (len); |
| 631 | |
| 632 | if (!ret) |
| 633 | return 0; |
| 634 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 635 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 636 | ", block offset %lu\n", |
| 637 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 638 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 639 | return ret; |
| 640 | } |
| 641 | |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 642 | 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] | 643 | { |
| 644 | void *p = hdr; |
| 645 | uint32_t crc; |
| 646 | |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 647 | if (hdr->magic != FIO_HDR_MAGIC) |
| 648 | return 0; |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 649 | if (hdr->len > io_u->buflen) { |
| 650 | log_err("fio: verify header exceeds buffer length (%u > %lu)\n", hdr->len, io_u->buflen); |
| 651 | return 0; |
| 652 | } |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 653 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 654 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 655 | if (crc == hdr->crc32) |
| 656 | return 1; |
| 657 | |
| 658 | log_err("fio: verify header crc %x, calculated %x\n", hdr->crc32, crc); |
| 659 | return 0; |
| 660 | } |
| 661 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 662 | 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] | 663 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 664 | struct verify_header *hdr; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 665 | unsigned int header_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 666 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 667 | int ret; |
| 668 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 669 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 670 | return 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 671 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 672 | ret = verify_trimmed_io_u(td, io_u); |
| 673 | goto done; |
| 674 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 675 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 676 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 677 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 678 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 679 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 680 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 681 | struct vcont vc = { |
| 682 | .io_u = io_u, |
| 683 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 684 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 685 | }; |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 686 | unsigned int verify_type; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 687 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 688 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 689 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 690 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 691 | header_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 692 | if (td->o.verify_offset) |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 693 | memswp(p, p + td->o.verify_offset, header_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 694 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 695 | |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 696 | if (!verify_header(io_u, hdr)) { |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 697 | log_err("verify: bad magic header %x, wanted %x at " |
| 698 | "file %s offset %llu, length %u\n", |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 699 | hdr->magic, FIO_HDR_MAGIC, |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 700 | io_u->file->file_name, |
| 701 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 702 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 703 | } |
| 704 | |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 705 | if (td->o.verify != VERIFY_NONE) |
| 706 | verify_type = td->o.verify; |
| 707 | else |
| 708 | verify_type = hdr->verify_type; |
| 709 | |
| 710 | switch (verify_type) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 711 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 712 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 713 | break; |
| 714 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 715 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 716 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 717 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 718 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 719 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 720 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 721 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 722 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 723 | break; |
| 724 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 725 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 726 | break; |
| 727 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 728 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 729 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 730 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 731 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 732 | break; |
| 733 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 734 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 735 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 736 | case VERIFY_META: |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 737 | ret = verify_io_u_meta(hdr, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 738 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 739 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 740 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 741 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 742 | case VERIFY_PATTERN: |
| 743 | ret = verify_io_u_pattern(hdr, &vc); |
| 744 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 745 | default: |
| 746 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 747 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 748 | } |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 749 | |
| 750 | if (ret && verify_type != hdr->verify_type) |
| 751 | log_err("fio: verify type mismatch (%u media, %u given)\n", |
| 752 | hdr->verify_type, verify_type); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 753 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 754 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 755 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 756 | if (ret && td->o.verify_fatal) |
| 757 | td->terminate = 1; |
| 758 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 759 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 760 | } |
| 761 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 762 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 763 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 764 | { |
| 765 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 766 | |
| 767 | vh->thread = td->thread_number; |
| 768 | |
| 769 | vh->time_sec = io_u->start_time.tv_sec; |
| 770 | vh->time_usec = io_u->start_time.tv_usec; |
| 771 | |
| 772 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 773 | |
| 774 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 775 | } |
| 776 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 777 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 778 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 779 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 780 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 781 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 782 | }; |
| 783 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 784 | fio_sha512_init(&sha512_ctx); |
| 785 | fio_sha512_update(&sha512_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 786 | } |
| 787 | |
| 788 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 789 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 790 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 791 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 792 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 793 | }; |
| 794 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 795 | fio_sha256_init(&sha256_ctx); |
| 796 | fio_sha256_update(&sha256_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 797 | } |
| 798 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 799 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 800 | { |
| 801 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 802 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 803 | .H = vh->sha1, |
| 804 | }; |
| 805 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 806 | fio_sha1_init(&sha1_ctx); |
| 807 | fio_sha1_update(&sha1_ctx, p, len); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 808 | } |
| 809 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 810 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 811 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 812 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 813 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 814 | vh->crc7 = fio_crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 815 | } |
| 816 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 817 | static void fill_crc16(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_crc16 *vh = hdr_priv(hdr); |
| 820 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 821 | vh->crc16 = fio_crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 822 | } |
| 823 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 824 | static void fill_crc32(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_crc32 *vh = hdr_priv(hdr); |
| 827 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 828 | vh->crc32 = fio_crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 829 | } |
| 830 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 831 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 832 | { |
| 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_crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 836 | } |
| 837 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 838 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 839 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 840 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 841 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 842 | vh->crc64 = fio_crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 843 | } |
| 844 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 845 | static void fill_md5(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_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 848 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 849 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 850 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 851 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 852 | fio_md5_init(&md5_ctx); |
| 853 | fio_md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 854 | } |
| 855 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 856 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 857 | struct verify_header *hdr, unsigned int header_num, |
| 858 | unsigned int header_len) |
| 859 | { |
| 860 | unsigned int data_len; |
| 861 | void *data, *p; |
| 862 | |
| 863 | p = (void *) hdr; |
| 864 | |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 865 | hdr->magic = FIO_HDR_MAGIC; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 866 | hdr->verify_type = td->o.verify; |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 867 | hdr->len = header_len; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 868 | hdr->rand_seed = io_u->rand_seed; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 869 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 870 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 871 | data_len = header_len - hdr_size(hdr); |
| 872 | |
| 873 | data = p + hdr_size(hdr); |
| 874 | switch (td->o.verify) { |
| 875 | case VERIFY_MD5: |
| 876 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 877 | io_u, hdr->len); |
| 878 | fill_md5(hdr, data, data_len); |
| 879 | break; |
| 880 | case VERIFY_CRC64: |
| 881 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 882 | io_u, hdr->len); |
| 883 | fill_crc64(hdr, data, data_len); |
| 884 | break; |
| 885 | case VERIFY_CRC32C: |
| 886 | case VERIFY_CRC32C_INTEL: |
| 887 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 888 | io_u, hdr->len); |
| 889 | fill_crc32c(hdr, data, data_len); |
| 890 | break; |
| 891 | case VERIFY_CRC32: |
| 892 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 893 | io_u, hdr->len); |
| 894 | fill_crc32(hdr, data, data_len); |
| 895 | break; |
| 896 | case VERIFY_CRC16: |
| 897 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 898 | io_u, hdr->len); |
| 899 | fill_crc16(hdr, data, data_len); |
| 900 | break; |
| 901 | case VERIFY_CRC7: |
| 902 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 903 | io_u, hdr->len); |
| 904 | fill_crc7(hdr, data, data_len); |
| 905 | break; |
| 906 | case VERIFY_SHA256: |
| 907 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 908 | io_u, hdr->len); |
| 909 | fill_sha256(hdr, data, data_len); |
| 910 | break; |
| 911 | case VERIFY_SHA512: |
| 912 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 913 | io_u, hdr->len); |
| 914 | fill_sha512(hdr, data, data_len); |
| 915 | break; |
| 916 | case VERIFY_META: |
| 917 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 918 | io_u, hdr->len); |
| 919 | fill_meta(hdr, td, io_u, header_num); |
| 920 | break; |
| 921 | case VERIFY_SHA1: |
| 922 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 923 | io_u, hdr->len); |
| 924 | fill_sha1(hdr, data, data_len); |
| 925 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 926 | case VERIFY_PATTERN: |
| 927 | /* nothing to do here */ |
| 928 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 929 | default: |
| 930 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 931 | assert(0); |
| 932 | } |
| 933 | if (td->o.verify_offset) |
| 934 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 935 | } |
| 936 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 937 | /* |
| 938 | * 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] | 939 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 940 | */ |
| 941 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 942 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 943 | if (td->o.verify == VERIFY_NULL) |
| 944 | return; |
| 945 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 946 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 947 | } |
| 948 | |
| 949 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 950 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 951 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 952 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 953 | /* |
| 954 | * this io_u is from a requeue, we already filled the offsets |
| 955 | */ |
| 956 | if (io_u->file) |
| 957 | return 0; |
| 958 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 959 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 960 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 961 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 962 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 963 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 964 | assert(ipo->flags & IP_F_ONRB); |
| 965 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 966 | } else if (!flist_empty(&td->io_hist_list)) { |
| 967 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
| 968 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 969 | assert(ipo->flags & IP_F_ONLIST); |
| 970 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 971 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 972 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 973 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 974 | td->io_hist_len--; |
| 975 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 976 | io_u->offset = ipo->offset; |
| 977 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 978 | io_u->file = ipo->file; |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 979 | io_u->flags |= IO_U_F_VER_LIST; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 980 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 981 | if (ipo->flags & IP_F_TRIMMED) |
| 982 | io_u->flags |= IO_U_F_TRIMMED; |
| 983 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 984 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 985 | int r = td_io_open_file(td, io_u->file); |
| 986 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 987 | if (r) { |
| 988 | dprint(FD_VERIFY, "failed file %s open\n", |
| 989 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 990 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 991 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 992 | } |
| 993 | |
| 994 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 995 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 996 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 997 | io_u->xfer_buf = io_u->buf; |
| 998 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 999 | |
| 1000 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1001 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1002 | 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] | 1003 | return 0; |
| 1004 | } |
| 1005 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1006 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1007 | return 1; |
| 1008 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1009 | |
| 1010 | static void *verify_async_thread(void *data) |
| 1011 | { |
| 1012 | struct thread_data *td = data; |
| 1013 | struct io_u *io_u; |
| 1014 | int ret = 0; |
| 1015 | |
| 1016 | if (td->o.verify_cpumask_set && |
| 1017 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 1018 | log_err("fio: failed setting verify thread affinity\n"); |
| 1019 | goto done; |
| 1020 | } |
| 1021 | |
| 1022 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1023 | FLIST_HEAD(list); |
| 1024 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1025 | read_barrier(); |
| 1026 | if (td->verify_thread_exit) |
| 1027 | break; |
| 1028 | |
| 1029 | pthread_mutex_lock(&td->io_u_lock); |
| 1030 | |
| 1031 | while (flist_empty(&td->verify_list) && |
| 1032 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 1033 | ret = pthread_cond_wait(&td->verify_cond, |
| 1034 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1035 | if (ret) { |
| 1036 | pthread_mutex_unlock(&td->io_u_lock); |
| 1037 | break; |
| 1038 | } |
| 1039 | } |
| 1040 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1041 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1042 | pthread_mutex_unlock(&td->io_u_lock); |
| 1043 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1044 | if (flist_empty(&list)) |
| 1045 | continue; |
| 1046 | |
| 1047 | while (!flist_empty(&list)) { |
| 1048 | io_u = flist_entry(list.next, struct io_u, list); |
| 1049 | flist_del_init(&io_u->list); |
| 1050 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1051 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1052 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1053 | if (!ret) |
| 1054 | continue; |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1055 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1056 | update_error_count(td, ret); |
| 1057 | td_clear_error(td); |
| 1058 | ret = 0; |
| 1059 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1060 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1061 | } while (!ret); |
| 1062 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1063 | if (ret) { |
| 1064 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1065 | if (td->o.verify_fatal) |
| 1066 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1067 | } |
| 1068 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1069 | done: |
| 1070 | pthread_mutex_lock(&td->io_u_lock); |
| 1071 | td->nr_verify_threads--; |
| 1072 | pthread_mutex_unlock(&td->io_u_lock); |
| 1073 | |
| 1074 | pthread_cond_signal(&td->free_cond); |
| 1075 | return NULL; |
| 1076 | } |
| 1077 | |
| 1078 | int verify_async_init(struct thread_data *td) |
| 1079 | { |
| 1080 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1081 | pthread_attr_t attr; |
| 1082 | |
| 1083 | pthread_attr_init(&attr); |
| 1084 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1085 | |
| 1086 | td->verify_thread_exit = 0; |
| 1087 | |
| 1088 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1089 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1090 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1091 | verify_async_thread, td); |
| 1092 | if (ret) { |
| 1093 | log_err("fio: async verify creation failed: %s\n", |
| 1094 | strerror(ret)); |
| 1095 | break; |
| 1096 | } |
| 1097 | ret = pthread_detach(td->verify_threads[i]); |
| 1098 | if (ret) { |
| 1099 | log_err("fio: async verify thread detach failed: %s\n", |
| 1100 | strerror(ret)); |
| 1101 | break; |
| 1102 | } |
| 1103 | td->nr_verify_threads++; |
| 1104 | } |
| 1105 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1106 | pthread_attr_destroy(&attr); |
| 1107 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1108 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1109 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1110 | td->verify_thread_exit = 1; |
| 1111 | write_barrier(); |
| 1112 | pthread_cond_broadcast(&td->verify_cond); |
| 1113 | return 1; |
| 1114 | } |
| 1115 | |
| 1116 | return 0; |
| 1117 | } |
| 1118 | |
| 1119 | void verify_async_exit(struct thread_data *td) |
| 1120 | { |
| 1121 | td->verify_thread_exit = 1; |
| 1122 | write_barrier(); |
| 1123 | pthread_cond_broadcast(&td->verify_cond); |
| 1124 | |
| 1125 | pthread_mutex_lock(&td->io_u_lock); |
| 1126 | |
| 1127 | while (td->nr_verify_threads) |
| 1128 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1129 | |
| 1130 | pthread_mutex_unlock(&td->io_u_lock); |
| 1131 | free(td->verify_threads); |
| 1132 | td->verify_threads = NULL; |
| 1133 | } |