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 | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 9 | |
| 10 | #include "fio.h" |
Jens Axboe | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 11 | #include "verify.h" |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 12 | #include "smalloc.h" |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 13 | #include "trim.h" |
Jens Axboe | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 14 | #include "lib/rand.h" |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 15 | |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 16 | #include "crc/md5.h" |
| 17 | #include "crc/crc64.h" |
| 18 | #include "crc/crc32.h" |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 19 | #include "crc/crc32c.h" |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 20 | #include "crc/crc16.h" |
| 21 | #include "crc/crc7.h" |
| 22 | #include "crc/sha256.h" |
| 23 | #include "crc/sha512.h" |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 24 | #include "crc/sha1.h" |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 25 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 26 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 27 | struct verify_header *hdr, unsigned int header_num, |
| 28 | unsigned int header_len); |
| 29 | |
| 30 | 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] | 31 | { |
| 32 | switch (td->o.verify_pattern_bytes) { |
| 33 | case 0: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 34 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 35 | if (use_seed) |
| 36 | __fill_random_buf(p, len, seed); |
| 37 | else |
| 38 | io_u->rand_seed = fill_random_buf(p, len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 39 | break; |
| 40 | case 1: |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 41 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 42 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
| 43 | return; |
| 44 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 45 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 46 | memset(p, td->o.verify_pattern[0], len); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 47 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 48 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 49 | default: { |
| 50 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 51 | unsigned char *b = p; |
| 52 | |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 53 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 54 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 55 | td->o.verify_pattern_bytes, len); |
| 56 | return; |
| 57 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 58 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 59 | td->o.verify_pattern_bytes, len); |
| 60 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 61 | while (i < len) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 62 | size = td->o.verify_pattern_bytes; |
| 63 | if (size > (len - i)) |
| 64 | size = len - i; |
| 65 | memcpy(b+i, td->o.verify_pattern, size); |
| 66 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 67 | } |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 68 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 69 | break; |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 74 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 75 | unsigned long seed, int use_seed) |
| 76 | { |
| 77 | unsigned int hdr_inc, header_num; |
| 78 | struct verify_header *hdr; |
| 79 | void *p = io_u->buf; |
| 80 | |
| 81 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
| 82 | |
| 83 | hdr_inc = io_u->buflen; |
| 84 | if (td->o.verify_interval) |
| 85 | hdr_inc = td->o.verify_interval; |
| 86 | |
| 87 | header_num = 0; |
| 88 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 89 | hdr = p; |
| 90 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 91 | header_num++; |
| 92 | } |
| 93 | } |
| 94 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 95 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 96 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 97 | char swap[200]; |
| 98 | |
| 99 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 100 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 101 | memcpy(&swap, buf1, len); |
| 102 | memcpy(buf1, buf2, len); |
| 103 | memcpy(buf2, &swap, len); |
| 104 | } |
| 105 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 106 | static void hexdump(void *buffer, int len) |
| 107 | { |
| 108 | unsigned char *p = buffer; |
| 109 | int i; |
| 110 | |
| 111 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 112 | log_err("%02x", p[i]); |
| 113 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 114 | } |
| 115 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 116 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 117 | * Prepare for seperation of verify_header and checksum header |
| 118 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 119 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 120 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 121 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 122 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 123 | switch (verify_type) { |
| 124 | case VERIFY_NONE: |
| 125 | case VERIFY_NULL: |
| 126 | len = 0; |
| 127 | break; |
| 128 | case VERIFY_MD5: |
| 129 | len = sizeof(struct vhdr_md5); |
| 130 | break; |
| 131 | case VERIFY_CRC64: |
| 132 | len = sizeof(struct vhdr_crc64); |
| 133 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 134 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 135 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 136 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 137 | len = sizeof(struct vhdr_crc32); |
| 138 | break; |
| 139 | case VERIFY_CRC16: |
| 140 | len = sizeof(struct vhdr_crc16); |
| 141 | break; |
| 142 | case VERIFY_CRC7: |
| 143 | len = sizeof(struct vhdr_crc7); |
| 144 | break; |
| 145 | case VERIFY_SHA256: |
| 146 | len = sizeof(struct vhdr_sha256); |
| 147 | break; |
| 148 | case VERIFY_SHA512: |
| 149 | len = sizeof(struct vhdr_sha512); |
| 150 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 151 | case VERIFY_META: |
| 152 | len = sizeof(struct vhdr_meta); |
| 153 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 154 | case VERIFY_SHA1: |
| 155 | len = sizeof(struct vhdr_sha1); |
| 156 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 157 | default: |
| 158 | log_err("fio: unknown verify header!\n"); |
| 159 | assert(0); |
| 160 | } |
| 161 | |
| 162 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 166 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 167 | return __hdr_size(hdr->verify_type); |
| 168 | } |
| 169 | |
| 170 | static void *hdr_priv(struct verify_header *hdr) |
| 171 | { |
| 172 | void *priv = hdr; |
| 173 | |
| 174 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 178 | * Verify container, pass info to verify handlers and allow them to |
| 179 | * pass info back in case of error |
| 180 | */ |
| 181 | struct vcont { |
| 182 | /* |
| 183 | * Input |
| 184 | */ |
| 185 | struct io_u *io_u; |
| 186 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 187 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 188 | |
| 189 | /* |
| 190 | * Output, only valid in case of error |
| 191 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 192 | const char *name; |
| 193 | void *good_crc; |
| 194 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 195 | unsigned int crc_len; |
| 196 | }; |
| 197 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 198 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 199 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 200 | { |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 201 | char fname[256]; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 202 | int ret, fd; |
| 203 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 204 | strcpy(fname, f->file_name); |
| 205 | basename(fname); |
| 206 | |
| 207 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 208 | |
| 209 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 210 | if (fd < 0) { |
| 211 | perror("open verify buf file"); |
| 212 | return; |
| 213 | } |
| 214 | |
| 215 | while (len) { |
| 216 | ret = write(fd, buf, len); |
| 217 | if (!ret) |
| 218 | break; |
| 219 | else if (ret < 0) { |
| 220 | perror("write verify buf file"); |
| 221 | break; |
| 222 | } |
| 223 | len -= ret; |
| 224 | buf += ret; |
| 225 | } |
| 226 | |
| 227 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 228 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 229 | } |
| 230 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 231 | /* |
| 232 | * Dump the contents of the read block and re-generate the correct data |
| 233 | * and dump that too. |
| 234 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 235 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 236 | { |
| 237 | struct thread_data *td = vc->td; |
| 238 | struct io_u *io_u = vc->io_u; |
| 239 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 240 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 241 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 242 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 243 | /* |
| 244 | * Dump the contents we just read off disk |
| 245 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 246 | hdr_offset = vc->hdr_num * hdr->len; |
| 247 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 248 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 249 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 250 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 251 | /* |
| 252 | * Allocate a new buf and re-generate the original data |
| 253 | */ |
| 254 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 255 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 256 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame^] | 257 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 258 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 259 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 260 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 261 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 262 | "expected", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 263 | free(buf); |
| 264 | } |
| 265 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 266 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 267 | { |
| 268 | unsigned long long offset; |
| 269 | |
| 270 | offset = vc->io_u->offset; |
| 271 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 272 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 273 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 274 | |
| 275 | if (vc->good_crc && vc->bad_crc) { |
| 276 | log_err(" Expected CRC: "); |
| 277 | hexdump(vc->good_crc, vc->crc_len); |
| 278 | log_err(" Received CRC: "); |
| 279 | hexdump(vc->bad_crc, vc->crc_len); |
| 280 | } |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 281 | |
| 282 | dump_verify_buffers(hdr, vc); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 283 | } |
| 284 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 285 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 286 | * Return data area 'header_num' |
| 287 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 288 | 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] | 289 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 290 | 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] | 291 | } |
| 292 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 293 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 294 | struct vcont *vc) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 295 | { |
| 296 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 297 | struct io_u *io_u = vc->io_u; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 298 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 299 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 300 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 301 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
| 302 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 303 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 304 | vc->name = "meta"; |
| 305 | log_verify_failure(hdr, vc); |
| 306 | return EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 307 | } |
| 308 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 309 | 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] | 310 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 311 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 312 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 313 | uint8_t sha512[128]; |
| 314 | struct sha512_ctx sha512_ctx = { |
| 315 | .buf = sha512, |
| 316 | }; |
| 317 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 318 | 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] | 319 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 320 | sha512_init(&sha512_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 321 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 322 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 323 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 324 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 325 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 326 | vc->name = "sha512"; |
| 327 | vc->good_crc = vh->sha512; |
| 328 | vc->bad_crc = sha512_ctx.buf; |
| 329 | vc->crc_len = sizeof(vh->sha512); |
| 330 | log_verify_failure(hdr, vc); |
| 331 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 332 | } |
| 333 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 334 | 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] | 335 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 336 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 337 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 338 | uint8_t sha256[64]; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 339 | struct sha256_ctx sha256_ctx = { |
| 340 | .buf = sha256, |
| 341 | }; |
| 342 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 343 | 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] | 344 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 345 | sha256_init(&sha256_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 346 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 347 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 348 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 349 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 350 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 351 | vc->name = "sha256"; |
| 352 | vc->good_crc = vh->sha256; |
| 353 | vc->bad_crc = sha256_ctx.buf; |
| 354 | vc->crc_len = sizeof(vh->sha256); |
| 355 | log_verify_failure(hdr, vc); |
| 356 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 357 | } |
| 358 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 359 | 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] | 360 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 361 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 362 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 363 | uint32_t sha1[5]; |
| 364 | struct sha1_ctx sha1_ctx = { |
| 365 | .H = sha1, |
| 366 | }; |
| 367 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 368 | 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] | 369 | |
| 370 | sha1_init(&sha1_ctx); |
| 371 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
| 372 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 373 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 374 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 375 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 376 | vc->name = "sha1"; |
| 377 | vc->good_crc = vh->sha1; |
| 378 | vc->bad_crc = sha1_ctx.H; |
| 379 | vc->crc_len = sizeof(vh->sha1); |
| 380 | log_verify_failure(hdr, vc); |
| 381 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 382 | } |
| 383 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 384 | 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] | 385 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 386 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 387 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 388 | unsigned char c; |
| 389 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 390 | 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] | 391 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 392 | c = crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 393 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 394 | if (c == vh->crc7) |
| 395 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 396 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 397 | vc->name = "crc7"; |
| 398 | vc->good_crc = &vh->crc7; |
| 399 | vc->bad_crc = &c; |
| 400 | vc->crc_len = 1; |
| 401 | log_verify_failure(hdr, vc); |
| 402 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 403 | } |
| 404 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 405 | 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] | 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_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 409 | unsigned short c; |
| 410 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 411 | 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] | 412 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 413 | c = crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 414 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 415 | if (c == vh->crc16) |
| 416 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 417 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 418 | vc->name = "crc16"; |
| 419 | vc->good_crc = &vh->crc16; |
| 420 | vc->bad_crc = &c; |
| 421 | vc->crc_len = 2; |
| 422 | log_verify_failure(hdr, vc); |
| 423 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 424 | } |
| 425 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 426 | 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] | 427 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 428 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 429 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 430 | unsigned long long c; |
| 431 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 432 | 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] | 433 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 434 | c = crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 435 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 436 | if (c == vh->crc64) |
| 437 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 438 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 439 | vc->name = "crc64"; |
| 440 | vc->good_crc = &vh->crc64; |
| 441 | vc->bad_crc = &c; |
| 442 | vc->crc_len = 8; |
| 443 | log_verify_failure(hdr, vc); |
| 444 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 445 | } |
| 446 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 447 | 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] | 448 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 449 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 450 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 451 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 452 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 453 | 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] | 454 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 455 | c = crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 456 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 457 | if (c == vh->crc32) |
| 458 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 459 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 460 | vc->name = "crc32"; |
| 461 | vc->good_crc = &vh->crc32; |
| 462 | vc->bad_crc = &c; |
| 463 | vc->crc_len = 4; |
| 464 | log_verify_failure(hdr, vc); |
| 465 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 466 | } |
| 467 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 468 | 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] | 469 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 470 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 471 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 472 | uint32_t c; |
| 473 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 474 | 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] | 475 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 476 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 477 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); |
| 478 | else |
| 479 | c = crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 480 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 481 | if (c == vh->crc32) |
| 482 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 483 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 484 | vc->name = "crc32c"; |
| 485 | vc->good_crc = &vh->crc32; |
| 486 | vc->bad_crc = &c; |
| 487 | vc->crc_len = 4; |
| 488 | log_verify_failure(hdr, vc); |
| 489 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 490 | } |
| 491 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 492 | 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] | 493 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 494 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 495 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 496 | uint32_t hash[MD5_HASH_WORDS]; |
| 497 | struct md5_ctx md5_ctx = { |
| 498 | .hash = hash, |
| 499 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 500 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 501 | 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] | 502 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 503 | md5_init(&md5_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 504 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 505 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 506 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 507 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 508 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 509 | vc->name = "md5"; |
| 510 | vc->good_crc = vh->md5_digest; |
| 511 | vc->bad_crc = md5_ctx.hash; |
| 512 | vc->crc_len = sizeof(hash); |
| 513 | log_verify_failure(hdr, vc); |
| 514 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 515 | } |
| 516 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 517 | static unsigned int hweight8(unsigned int w) |
| 518 | { |
| 519 | unsigned int res = w - ((w >> 1) & 0x55); |
| 520 | |
| 521 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 522 | return (res + (res >> 4)) & 0x0F; |
| 523 | } |
| 524 | |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 525 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 526 | char *buf, unsigned int len, unsigned int mod) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 527 | { |
| 528 | unsigned int i; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 529 | |
| 530 | for (i = 0; i < len; i++) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 531 | if (buf[i] != pattern[mod]) { |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 532 | unsigned int bits; |
| 533 | |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 534 | bits = hweight8(buf[i] ^ pattern[mod]); |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 535 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 536 | buf[i], pattern[mod], bits); |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 537 | log_err("fio: bad pattern block offset %u\n", i); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 538 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 539 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 540 | mod++; |
| 541 | if (mod == pattern_size) |
| 542 | mod = 0; |
| 543 | } |
| 544 | |
| 545 | return 0; |
| 546 | } |
| 547 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 548 | /* |
| 549 | * Push IO verification to a separate thread |
| 550 | */ |
| 551 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 552 | { |
| 553 | if (io_u->file) |
| 554 | put_file_log(td, io_u->file); |
| 555 | |
| 556 | io_u->file = NULL; |
| 557 | |
| 558 | pthread_mutex_lock(&td->io_u_lock); |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 559 | |
| 560 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 561 | td->cur_depth--; |
| 562 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 563 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 564 | flist_del(&io_u->list); |
| 565 | flist_add_tail(&io_u->list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 566 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 567 | pthread_mutex_unlock(&td->io_u_lock); |
| 568 | |
| 569 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 570 | return 0; |
| 571 | } |
| 572 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 573 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 574 | { |
| 575 | static char zero_buf[1024]; |
| 576 | unsigned int this_len, len; |
| 577 | int ret = 0; |
| 578 | void *p; |
| 579 | |
| 580 | if (!td->o.trim_zero) |
| 581 | return 0; |
| 582 | |
| 583 | len = io_u->buflen; |
| 584 | p = io_u->buf; |
| 585 | do { |
| 586 | this_len = sizeof(zero_buf); |
| 587 | if (this_len > len) |
| 588 | this_len = len; |
| 589 | if (memcmp(p, zero_buf, this_len)) { |
| 590 | ret = EILSEQ; |
| 591 | break; |
| 592 | } |
| 593 | len -= this_len; |
| 594 | p += this_len; |
| 595 | } while (len); |
| 596 | |
| 597 | if (!ret) |
| 598 | return 0; |
| 599 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 600 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 601 | ", block offset %lu\n", |
| 602 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 603 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 604 | return ret; |
| 605 | } |
| 606 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 607 | 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] | 608 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 609 | struct verify_header *hdr; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 610 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 611 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 612 | int ret; |
| 613 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 614 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 615 | return 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 616 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 617 | ret = verify_trimmed_io_u(td, io_u); |
| 618 | goto done; |
| 619 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 620 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 621 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 622 | if (td->o.verify_interval) |
| 623 | hdr_inc = td->o.verify_interval; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 624 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 625 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 626 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 627 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 628 | struct vcont vc = { |
| 629 | .io_u = io_u, |
| 630 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 631 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 632 | }; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 633 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 634 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 635 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 636 | |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 637 | hdr_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 638 | if (td->o.verify_offset) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 639 | memswp(p, p + td->o.verify_offset, hdr_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 640 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 641 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 642 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 643 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
| 644 | hdr->fio_magic, FIO_HDR_MAGIC, |
| 645 | io_u->file->file_name, |
| 646 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 647 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 648 | } |
| 649 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 650 | if (td->o.verify_pattern_bytes) { |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 651 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
| 652 | io_u, hdr->len); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 653 | ret = verify_io_u_pattern(td->o.verify_pattern, |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 654 | td->o.verify_pattern_bytes, |
| 655 | p + hdr_size, |
| 656 | hdr_inc - hdr_size, |
| 657 | hdr_size % td->o.verify_pattern_bytes); |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 658 | |
| 659 | if (ret) { |
| 660 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", |
| 661 | io_u->file->file_name, |
| 662 | io_u->offset + hdr_num * hdr->len, |
| 663 | hdr->len); |
| 664 | } |
| 665 | |
Radha Ramachandran | e92d3d7 | 2009-07-27 12:27:55 +0200 | [diff] [blame] | 666 | /* |
| 667 | * Also verify the meta data, if applicable |
| 668 | */ |
| 669 | if (hdr->verify_type == VERIFY_META) |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 670 | ret |= verify_io_u_meta(hdr, td, &vc); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 671 | continue; |
| 672 | } |
| 673 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 674 | switch (hdr->verify_type) { |
| 675 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 676 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 677 | break; |
| 678 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 679 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 680 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 681 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 682 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 683 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 684 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 685 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 686 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 687 | break; |
| 688 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 689 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 690 | break; |
| 691 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 692 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 693 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 694 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 695 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 696 | break; |
| 697 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 698 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 699 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 700 | case VERIFY_META: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 701 | ret = verify_io_u_meta(hdr, td, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 702 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 703 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 704 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 705 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 706 | default: |
| 707 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 708 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 709 | } |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 710 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 711 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 712 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 713 | if (ret && td->o.verify_fatal) |
| 714 | td->terminate = 1; |
| 715 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 716 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 717 | } |
| 718 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 719 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 720 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 721 | { |
| 722 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 723 | |
| 724 | vh->thread = td->thread_number; |
| 725 | |
| 726 | vh->time_sec = io_u->start_time.tv_sec; |
| 727 | vh->time_usec = io_u->start_time.tv_usec; |
| 728 | |
| 729 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 730 | |
| 731 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 732 | } |
| 733 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 734 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 735 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 736 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 737 | struct sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 738 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 739 | }; |
| 740 | |
| 741 | sha512_init(&sha512_ctx); |
| 742 | sha512_update(&sha512_ctx, p, len); |
| 743 | } |
| 744 | |
| 745 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 746 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 747 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 748 | struct sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 749 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 750 | }; |
| 751 | |
| 752 | sha256_init(&sha256_ctx); |
| 753 | sha256_update(&sha256_ctx, p, len); |
| 754 | } |
| 755 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 756 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 757 | { |
| 758 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 759 | struct sha1_ctx sha1_ctx = { |
| 760 | .H = vh->sha1, |
| 761 | }; |
| 762 | |
| 763 | sha1_init(&sha1_ctx); |
| 764 | sha1_update(&sha1_ctx, p, len); |
| 765 | } |
| 766 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 767 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 768 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 769 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 770 | |
| 771 | vh->crc7 = crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 772 | } |
| 773 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 774 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 775 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 776 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 777 | |
| 778 | vh->crc16 = crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 779 | } |
| 780 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 781 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 782 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 783 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 784 | |
| 785 | vh->crc32 = crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 786 | } |
| 787 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 788 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 789 | { |
| 790 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 791 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 792 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 793 | vh->crc32 = crc32c_intel(p, len); |
| 794 | else |
| 795 | vh->crc32 = crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 796 | } |
| 797 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 798 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 799 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 800 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 801 | |
| 802 | vh->crc64 = crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 803 | } |
| 804 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 805 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 806 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 807 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 808 | struct md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 809 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 810 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 811 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 812 | md5_init(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 813 | md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 814 | } |
| 815 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 816 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 817 | struct verify_header *hdr, unsigned int header_num, |
| 818 | unsigned int header_len) |
| 819 | { |
| 820 | unsigned int data_len; |
| 821 | void *data, *p; |
| 822 | |
| 823 | p = (void *) hdr; |
| 824 | |
| 825 | hdr->fio_magic = FIO_HDR_MAGIC; |
| 826 | hdr->len = header_len; |
| 827 | hdr->verify_type = td->o.verify; |
| 828 | hdr->rand_seed = io_u->rand_seed; |
| 829 | data_len = header_len - hdr_size(hdr); |
| 830 | |
| 831 | data = p + hdr_size(hdr); |
| 832 | switch (td->o.verify) { |
| 833 | case VERIFY_MD5: |
| 834 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 835 | io_u, hdr->len); |
| 836 | fill_md5(hdr, data, data_len); |
| 837 | break; |
| 838 | case VERIFY_CRC64: |
| 839 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 840 | io_u, hdr->len); |
| 841 | fill_crc64(hdr, data, data_len); |
| 842 | break; |
| 843 | case VERIFY_CRC32C: |
| 844 | case VERIFY_CRC32C_INTEL: |
| 845 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 846 | io_u, hdr->len); |
| 847 | fill_crc32c(hdr, data, data_len); |
| 848 | break; |
| 849 | case VERIFY_CRC32: |
| 850 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 851 | io_u, hdr->len); |
| 852 | fill_crc32(hdr, data, data_len); |
| 853 | break; |
| 854 | case VERIFY_CRC16: |
| 855 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 856 | io_u, hdr->len); |
| 857 | fill_crc16(hdr, data, data_len); |
| 858 | break; |
| 859 | case VERIFY_CRC7: |
| 860 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 861 | io_u, hdr->len); |
| 862 | fill_crc7(hdr, data, data_len); |
| 863 | break; |
| 864 | case VERIFY_SHA256: |
| 865 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 866 | io_u, hdr->len); |
| 867 | fill_sha256(hdr, data, data_len); |
| 868 | break; |
| 869 | case VERIFY_SHA512: |
| 870 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 871 | io_u, hdr->len); |
| 872 | fill_sha512(hdr, data, data_len); |
| 873 | break; |
| 874 | case VERIFY_META: |
| 875 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 876 | io_u, hdr->len); |
| 877 | fill_meta(hdr, td, io_u, header_num); |
| 878 | break; |
| 879 | case VERIFY_SHA1: |
| 880 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 881 | io_u, hdr->len); |
| 882 | fill_sha1(hdr, data, data_len); |
| 883 | break; |
| 884 | default: |
| 885 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 886 | assert(0); |
| 887 | } |
| 888 | if (td->o.verify_offset) |
| 889 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 890 | } |
| 891 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 892 | /* |
| 893 | * 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] | 894 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 895 | */ |
| 896 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 897 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 898 | if (td->o.verify == VERIFY_NULL) |
| 899 | return; |
| 900 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 901 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 902 | } |
| 903 | |
| 904 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 905 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 906 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 907 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 908 | /* |
| 909 | * this io_u is from a requeue, we already filled the offsets |
| 910 | */ |
| 911 | if (io_u->file) |
| 912 | return 0; |
| 913 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 914 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 915 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 916 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 917 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 918 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 919 | assert(ipo->flags & IP_F_ONRB); |
| 920 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 921 | } else if (!flist_empty(&td->io_hist_list)) { |
| 922 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
| 923 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 924 | assert(ipo->flags & IP_F_ONLIST); |
| 925 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 926 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 927 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 928 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 929 | td->io_hist_len--; |
| 930 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 931 | io_u->offset = ipo->offset; |
| 932 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 933 | io_u->file = ipo->file; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 934 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 935 | if (ipo->flags & IP_F_TRIMMED) |
| 936 | io_u->flags |= IO_U_F_TRIMMED; |
| 937 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 938 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 939 | int r = td_io_open_file(td, io_u->file); |
| 940 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 941 | if (r) { |
| 942 | dprint(FD_VERIFY, "failed file %s open\n", |
| 943 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 944 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 945 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 946 | } |
| 947 | |
| 948 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 949 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 950 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 951 | io_u->xfer_buf = io_u->buf; |
| 952 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 953 | |
| 954 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 955 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 956 | 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] | 957 | return 0; |
| 958 | } |
| 959 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 960 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 961 | return 1; |
| 962 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 963 | |
| 964 | static void *verify_async_thread(void *data) |
| 965 | { |
| 966 | struct thread_data *td = data; |
| 967 | struct io_u *io_u; |
| 968 | int ret = 0; |
| 969 | |
| 970 | if (td->o.verify_cpumask_set && |
| 971 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 972 | log_err("fio: failed setting verify thread affinity\n"); |
| 973 | goto done; |
| 974 | } |
| 975 | |
| 976 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 977 | FLIST_HEAD(list); |
| 978 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 979 | read_barrier(); |
| 980 | if (td->verify_thread_exit) |
| 981 | break; |
| 982 | |
| 983 | pthread_mutex_lock(&td->io_u_lock); |
| 984 | |
| 985 | while (flist_empty(&td->verify_list) && |
| 986 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 987 | ret = pthread_cond_wait(&td->verify_cond, |
| 988 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 989 | if (ret) { |
| 990 | pthread_mutex_unlock(&td->io_u_lock); |
| 991 | break; |
| 992 | } |
| 993 | } |
| 994 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 995 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 996 | pthread_mutex_unlock(&td->io_u_lock); |
| 997 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 998 | if (flist_empty(&list)) |
| 999 | continue; |
| 1000 | |
| 1001 | while (!flist_empty(&list)) { |
| 1002 | io_u = flist_entry(list.next, struct io_u, list); |
| 1003 | flist_del_init(&io_u->list); |
| 1004 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1005 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1006 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1007 | if (!ret) |
| 1008 | continue; |
| 1009 | if (td->o.continue_on_error && |
| 1010 | td_non_fatal_error(ret)) { |
| 1011 | update_error_count(td, ret); |
| 1012 | td_clear_error(td); |
| 1013 | ret = 0; |
| 1014 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1015 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1016 | } while (!ret); |
| 1017 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1018 | if (ret) { |
| 1019 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1020 | if (td->o.verify_fatal) |
| 1021 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1022 | } |
| 1023 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1024 | done: |
| 1025 | pthread_mutex_lock(&td->io_u_lock); |
| 1026 | td->nr_verify_threads--; |
| 1027 | pthread_mutex_unlock(&td->io_u_lock); |
| 1028 | |
| 1029 | pthread_cond_signal(&td->free_cond); |
| 1030 | return NULL; |
| 1031 | } |
| 1032 | |
| 1033 | int verify_async_init(struct thread_data *td) |
| 1034 | { |
| 1035 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1036 | pthread_attr_t attr; |
| 1037 | |
| 1038 | pthread_attr_init(&attr); |
| 1039 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1040 | |
| 1041 | td->verify_thread_exit = 0; |
| 1042 | |
| 1043 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1044 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1045 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1046 | verify_async_thread, td); |
| 1047 | if (ret) { |
| 1048 | log_err("fio: async verify creation failed: %s\n", |
| 1049 | strerror(ret)); |
| 1050 | break; |
| 1051 | } |
| 1052 | ret = pthread_detach(td->verify_threads[i]); |
| 1053 | if (ret) { |
| 1054 | log_err("fio: async verify thread detach failed: %s\n", |
| 1055 | strerror(ret)); |
| 1056 | break; |
| 1057 | } |
| 1058 | td->nr_verify_threads++; |
| 1059 | } |
| 1060 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1061 | pthread_attr_destroy(&attr); |
| 1062 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1063 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1064 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1065 | td->verify_thread_exit = 1; |
| 1066 | write_barrier(); |
| 1067 | pthread_cond_broadcast(&td->verify_cond); |
| 1068 | return 1; |
| 1069 | } |
| 1070 | |
| 1071 | return 0; |
| 1072 | } |
| 1073 | |
| 1074 | void verify_async_exit(struct thread_data *td) |
| 1075 | { |
| 1076 | td->verify_thread_exit = 1; |
| 1077 | write_barrier(); |
| 1078 | pthread_cond_broadcast(&td->verify_cond); |
| 1079 | |
| 1080 | pthread_mutex_lock(&td->io_u_lock); |
| 1081 | |
| 1082 | while (td->nr_verify_threads) |
| 1083 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1084 | |
| 1085 | pthread_mutex_unlock(&td->io_u_lock); |
| 1086 | free(td->verify_threads); |
| 1087 | td->verify_threads = NULL; |
| 1088 | } |