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 | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 13 | |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 14 | #include "crc/md5.h" |
| 15 | #include "crc/crc64.h" |
| 16 | #include "crc/crc32.h" |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 17 | #include "crc/crc32c.h" |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 18 | #include "crc/crc16.h" |
| 19 | #include "crc/crc7.h" |
| 20 | #include "crc/sha256.h" |
| 21 | #include "crc/sha512.h" |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 22 | #include "crc/sha1.h" |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 23 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 24 | static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 25 | { |
| 26 | unsigned int todo; |
Jens Axboe | 4c5946c | 2007-07-26 11:55:10 +0200 | [diff] [blame] | 27 | int r; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 28 | |
| 29 | while (len) { |
Jens Axboe | 4c5946c | 2007-07-26 11:55:10 +0200 | [diff] [blame] | 30 | r = os_random_long(&td->verify_state); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 31 | |
| 32 | /* |
| 33 | * lrand48_r seems to be broken and only fill the bottom |
| 34 | * 32-bits, even on 64-bit archs with 64-bit longs |
| 35 | */ |
| 36 | todo = sizeof(r); |
| 37 | if (todo > len) |
| 38 | todo = len; |
| 39 | |
| 40 | memcpy(p, &r, todo); |
| 41 | |
| 42 | len -= todo; |
| 43 | p += todo; |
| 44 | } |
| 45 | } |
| 46 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 47 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
| 48 | { |
| 49 | switch (td->o.verify_pattern_bytes) { |
| 50 | case 0: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 51 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 52 | fill_random_bytes(td, p, len); |
| 53 | break; |
| 54 | case 1: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 55 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 56 | memset(p, td->o.verify_pattern, len); |
| 57 | break; |
| 58 | case 2: |
| 59 | case 3: |
| 60 | case 4: { |
| 61 | unsigned int pattern = td->o.verify_pattern; |
| 62 | unsigned int i = 0; |
| 63 | unsigned char c1, c2, c3, c4; |
| 64 | unsigned char *b = p; |
| 65 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 66 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 67 | td->o.verify_pattern_bytes, len); |
| 68 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 69 | c1 = pattern & 0xff; |
| 70 | pattern >>= 8; |
| 71 | c2 = pattern & 0xff; |
| 72 | pattern >>= 8; |
| 73 | c3 = pattern & 0xff; |
| 74 | pattern >>= 8; |
| 75 | c4 = pattern & 0xff; |
| 76 | |
| 77 | while (i < len) { |
| 78 | b[i++] = c1; |
| 79 | if (i == len) |
| 80 | break; |
| 81 | b[i++] = c2; |
| 82 | if (td->o.verify_pattern_bytes == 2 || i == len) |
| 83 | continue; |
| 84 | b[i++] = c3; |
| 85 | if (td->o.verify_pattern_bytes == 3 || i == len) |
| 86 | continue; |
| 87 | b[i++] = c4; |
| 88 | } |
| 89 | break; |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 94 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 95 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 96 | char swap[200]; |
| 97 | |
| 98 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 99 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 100 | memcpy(&swap, buf1, len); |
| 101 | memcpy(buf1, buf2, len); |
| 102 | memcpy(buf2, &swap, len); |
| 103 | } |
| 104 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 105 | static void hexdump(void *buffer, int len) |
| 106 | { |
| 107 | unsigned char *p = buffer; |
| 108 | int i; |
| 109 | |
| 110 | for (i = 0; i < len; i++) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 111 | log_info("%02x", p[i]); |
| 112 | log_info("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 113 | } |
| 114 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 115 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 116 | * Prepare for seperation of verify_header and checksum header |
| 117 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 118 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 119 | { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 120 | unsigned int len = len; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 121 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 122 | switch (verify_type) { |
| 123 | case VERIFY_NONE: |
| 124 | case VERIFY_NULL: |
| 125 | len = 0; |
| 126 | break; |
| 127 | case VERIFY_MD5: |
| 128 | len = sizeof(struct vhdr_md5); |
| 129 | break; |
| 130 | case VERIFY_CRC64: |
| 131 | len = sizeof(struct vhdr_crc64); |
| 132 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 133 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 134 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 135 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 136 | len = sizeof(struct vhdr_crc32); |
| 137 | break; |
| 138 | case VERIFY_CRC16: |
| 139 | len = sizeof(struct vhdr_crc16); |
| 140 | break; |
| 141 | case VERIFY_CRC7: |
| 142 | len = sizeof(struct vhdr_crc7); |
| 143 | break; |
| 144 | case VERIFY_SHA256: |
| 145 | len = sizeof(struct vhdr_sha256); |
| 146 | break; |
| 147 | case VERIFY_SHA512: |
| 148 | len = sizeof(struct vhdr_sha512); |
| 149 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 150 | case VERIFY_META: |
| 151 | len = sizeof(struct vhdr_meta); |
| 152 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 153 | case VERIFY_SHA1: |
| 154 | len = sizeof(struct vhdr_sha1); |
| 155 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 156 | default: |
| 157 | log_err("fio: unknown verify header!\n"); |
| 158 | assert(0); |
| 159 | } |
| 160 | |
| 161 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 165 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 166 | return __hdr_size(hdr->verify_type); |
| 167 | } |
| 168 | |
| 169 | static void *hdr_priv(struct verify_header *hdr) |
| 170 | { |
| 171 | void *priv = hdr; |
| 172 | |
| 173 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 177 | * Return data area 'header_num' |
| 178 | */ |
| 179 | static inline void *io_u_verify_off(struct verify_header *hdr, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 180 | struct io_u *io_u, unsigned char header_num) |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 181 | { |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 182 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 183 | } |
| 184 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 185 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 186 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 187 | { |
| 188 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 189 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 190 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 191 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 192 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
| 193 | log_err("meta: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 194 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 195 | return EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | return 0; |
| 199 | } |
| 200 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 201 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
| 202 | unsigned int header_num) |
| 203 | { |
| 204 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 205 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 206 | uint8_t sha512[128]; |
| 207 | struct sha512_ctx sha512_ctx = { |
| 208 | .buf = sha512, |
| 209 | }; |
| 210 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 211 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
| 212 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 213 | sha512_init(&sha512_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 214 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 215 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 216 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 217 | log_err("sha512: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 218 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 219 | hexdump(vh->sha512, sizeof(vh->sha512)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 220 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 221 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | return 0; |
| 225 | } |
| 226 | |
| 227 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, |
| 228 | unsigned int header_num) |
| 229 | { |
| 230 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 231 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 232 | uint8_t sha256[128]; |
| 233 | struct sha256_ctx sha256_ctx = { |
| 234 | .buf = sha256, |
| 235 | }; |
| 236 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 237 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
| 238 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 239 | sha256_init(&sha256_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 240 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 241 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 242 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 243 | log_err("sha256: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 244 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 245 | hexdump(vh->sha256, sizeof(vh->sha256)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 246 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 247 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | return 0; |
| 251 | } |
| 252 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 253 | static int verify_io_u_sha1(struct verify_header *hdr, struct io_u *io_u, |
| 254 | unsigned int header_num) |
| 255 | { |
| 256 | void *p = io_u_verify_off(hdr, io_u, header_num); |
| 257 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 258 | uint32_t sha1[5]; |
| 259 | struct sha1_ctx sha1_ctx = { |
| 260 | .H = sha1, |
| 261 | }; |
| 262 | |
| 263 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", io_u, hdr->len); |
| 264 | |
| 265 | sha1_init(&sha1_ctx); |
| 266 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
| 267 | |
| 268 | if (memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) { |
| 269 | log_err("sha1: verify failed at %llu/%u\n", |
| 270 | io_u->offset + header_num * hdr->len, hdr->len); |
| 271 | hexdump(vh->sha1, sizeof(vh->sha1)); |
| 272 | hexdump(sha1_ctx.H, sizeof(sha1)); |
| 273 | return EILSEQ; |
| 274 | } |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 279 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 280 | unsigned char header_num) |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 281 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 282 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 283 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 284 | unsigned char c; |
| 285 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 286 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
| 287 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 288 | c = crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 289 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 290 | if (c != vh->crc7) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 291 | log_err("crc7: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 292 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 293 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 294 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | return 0; |
| 298 | } |
| 299 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 300 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 301 | unsigned int header_num) |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 302 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 303 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 304 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 305 | unsigned short c; |
| 306 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 307 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
| 308 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 309 | c = crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 310 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 311 | if (c != vh->crc16) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 312 | log_err("crc16: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 313 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 314 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 315 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | return 0; |
| 319 | } |
| 320 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 321 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 322 | unsigned int header_num) |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 323 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 324 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 325 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 326 | unsigned long long c; |
| 327 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 328 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
| 329 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 330 | c = crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 331 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 332 | if (c != vh->crc64) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 333 | log_err("crc64: verify failed at %llu/%u\n", |
| 334 | io_u->offset + header_num * hdr->len, |
| 335 | hdr->len); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 336 | log_err("crc64: wanted %llx, got %llx\n", |
| 337 | (unsigned long long) vh->crc64, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 338 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | return 0; |
| 342 | } |
| 343 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 344 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 345 | unsigned int header_num) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 346 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 347 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 348 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 349 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 350 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 351 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
| 352 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 353 | c = crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 354 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 355 | if (c != vh->crc32) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 356 | log_err("crc32: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 357 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 358 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 359 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | return 0; |
| 363 | } |
| 364 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 365 | static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u, |
| 366 | unsigned int header_num) |
| 367 | { |
| 368 | void *p = io_u_verify_off(hdr, io_u, header_num); |
| 369 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 370 | uint32_t c; |
| 371 | |
| 372 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len); |
| 373 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 374 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 375 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); |
| 376 | else |
| 377 | c = crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 378 | |
| 379 | if (c != vh->crc32) { |
| 380 | log_err("crc32c: verify failed at %llu/%u\n", |
| 381 | io_u->offset + header_num * hdr->len, hdr->len); |
| 382 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 383 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | return 0; |
| 387 | } |
| 388 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 389 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 390 | unsigned int header_num) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 391 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 392 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 393 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 394 | uint32_t hash[MD5_HASH_WORDS]; |
| 395 | struct md5_ctx md5_ctx = { |
| 396 | .hash = hash, |
| 397 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 398 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 399 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
| 400 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 401 | md5_init(&md5_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 402 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 403 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 404 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 405 | log_err("md5: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 406 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 407 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 408 | hexdump(md5_ctx.hash, sizeof(hash)); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 409 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | return 0; |
| 413 | } |
| 414 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 415 | static unsigned int hweight8(unsigned int w) |
| 416 | { |
| 417 | unsigned int res = w - ((w >> 1) & 0x55); |
| 418 | |
| 419 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 420 | return (res + (res >> 4)) & 0x0F; |
| 421 | } |
| 422 | |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 423 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 424 | char *buf, unsigned int len, unsigned int mod) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 425 | { |
| 426 | unsigned int i; |
| 427 | char split_pattern[4]; |
| 428 | |
| 429 | for (i = 0; i < 4; i++) { |
| 430 | split_pattern[i] = pattern & 0xff; |
| 431 | pattern >>= 8; |
| 432 | } |
| 433 | |
| 434 | for (i = 0; i < len; i++) { |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 435 | if (buf[i] != split_pattern[mod]) { |
| 436 | unsigned int bits; |
| 437 | |
| 438 | bits = hweight8(buf[i] ^ split_pattern[mod]); |
| 439 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 440 | buf[i], split_pattern[mod], bits); |
| 441 | log_err("fio: bad pattern block offset %u\n", i); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 442 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 443 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 444 | mod++; |
| 445 | if (mod == pattern_size) |
| 446 | mod = 0; |
| 447 | } |
| 448 | |
| 449 | return 0; |
| 450 | } |
| 451 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 452 | /* |
| 453 | * Push IO verification to a separate thread |
| 454 | */ |
| 455 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 456 | { |
| 457 | if (io_u->file) |
| 458 | put_file_log(td, io_u->file); |
| 459 | |
| 460 | io_u->file = NULL; |
| 461 | |
| 462 | pthread_mutex_lock(&td->io_u_lock); |
| 463 | flist_del(&io_u->list); |
| 464 | flist_add_tail(&io_u->list, &td->verify_list); |
| 465 | pthread_mutex_unlock(&td->io_u_lock); |
| 466 | |
| 467 | pthread_cond_signal(&td->verify_cond); |
| 468 | io_u->flags |= IO_U_F_FREE_DEF; |
| 469 | return 0; |
| 470 | } |
| 471 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 472 | 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] | 473 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 474 | struct verify_header *hdr; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 475 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 476 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 477 | int ret; |
| 478 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 479 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 480 | return 0; |
| 481 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 482 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 483 | if (td->o.verify_interval) |
| 484 | hdr_inc = td->o.verify_interval; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 485 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 486 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 487 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 488 | p += hdr_inc, hdr_num++) { |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 489 | if (ret && td->o.verify_fatal) { |
| 490 | td->terminate = 1; |
| 491 | break; |
| 492 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 493 | hdr_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 494 | if (td->o.verify_offset) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 495 | memswp(p, p + td->o.verify_offset, hdr_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 496 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 497 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 498 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
| 499 | log_err("Bad verify header %x\n", hdr->fio_magic); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 500 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 501 | } |
| 502 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 503 | if (td->o.verify_pattern_bytes) { |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 504 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
| 505 | io_u, hdr->len); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 506 | ret = verify_io_u_pattern(td->o.verify_pattern, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 507 | td->o.verify_pattern_bytes, |
| 508 | p + hdr_size, |
| 509 | hdr_inc - hdr_size, |
| 510 | hdr_size % 4); |
Radha Ramachandran | e92d3d7 | 2009-07-27 12:27:55 +0200 | [diff] [blame] | 511 | /* |
| 512 | * Also verify the meta data, if applicable |
| 513 | */ |
| 514 | if (hdr->verify_type == VERIFY_META) |
| 515 | ret |= verify_io_u_meta(hdr, td, io_u, hdr_num); |
| 516 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 517 | if (ret) |
| 518 | log_err("fio: verify failed at %llu/%u\n", |
| 519 | io_u->offset + hdr_num * hdr->len, |
| 520 | hdr->len); |
| 521 | continue; |
| 522 | } |
| 523 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 524 | switch (hdr->verify_type) { |
| 525 | case VERIFY_MD5: |
| 526 | ret = verify_io_u_md5(hdr, io_u, hdr_num); |
| 527 | break; |
| 528 | case VERIFY_CRC64: |
| 529 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); |
| 530 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 531 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 532 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 533 | ret = verify_io_u_crc32c(hdr, io_u, hdr_num); |
| 534 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 535 | case VERIFY_CRC32: |
| 536 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); |
| 537 | break; |
| 538 | case VERIFY_CRC16: |
| 539 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); |
| 540 | break; |
| 541 | case VERIFY_CRC7: |
| 542 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); |
| 543 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 544 | case VERIFY_SHA256: |
| 545 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); |
| 546 | break; |
| 547 | case VERIFY_SHA512: |
| 548 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); |
| 549 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 550 | case VERIFY_META: |
| 551 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); |
| 552 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 553 | case VERIFY_SHA1: |
| 554 | ret = verify_io_u_sha1(hdr, io_u, hdr_num); |
| 555 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 556 | default: |
| 557 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 558 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 559 | } |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 560 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 561 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 562 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 563 | } |
| 564 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 565 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 566 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 567 | { |
| 568 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 569 | |
| 570 | vh->thread = td->thread_number; |
| 571 | |
| 572 | vh->time_sec = io_u->start_time.tv_sec; |
| 573 | vh->time_usec = io_u->start_time.tv_usec; |
| 574 | |
| 575 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 576 | |
| 577 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 578 | } |
| 579 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 580 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 581 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 582 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 583 | struct sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 584 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 585 | }; |
| 586 | |
| 587 | sha512_init(&sha512_ctx); |
| 588 | sha512_update(&sha512_ctx, p, len); |
| 589 | } |
| 590 | |
| 591 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 592 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 593 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 594 | struct sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 595 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 596 | }; |
| 597 | |
| 598 | sha256_init(&sha256_ctx); |
| 599 | sha256_update(&sha256_ctx, p, len); |
| 600 | } |
| 601 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 602 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 603 | { |
| 604 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 605 | struct sha1_ctx sha1_ctx = { |
| 606 | .H = vh->sha1, |
| 607 | }; |
| 608 | |
| 609 | sha1_init(&sha1_ctx); |
| 610 | sha1_update(&sha1_ctx, p, len); |
| 611 | } |
| 612 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 613 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 614 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 615 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 616 | |
| 617 | vh->crc7 = crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 618 | } |
| 619 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 620 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 621 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 622 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 623 | |
| 624 | vh->crc16 = crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 625 | } |
| 626 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 627 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 628 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 629 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 630 | |
| 631 | vh->crc32 = crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 632 | } |
| 633 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 634 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 635 | { |
| 636 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 637 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 638 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 639 | vh->crc32 = crc32c_intel(p, len); |
| 640 | else |
| 641 | vh->crc32 = crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 642 | } |
| 643 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 644 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 645 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 646 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 647 | |
| 648 | vh->crc64 = crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 649 | } |
| 650 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 651 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 652 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 653 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 654 | struct md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 655 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 656 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 657 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 658 | md5_init(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 659 | md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | /* |
| 663 | * fill body of io_u->buf with random data and add a header with the |
| 664 | * crc32 or md5 sum of that data. |
| 665 | */ |
| 666 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 667 | { |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 668 | struct verify_header *hdr; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 669 | void *p = io_u->buf, *data; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 670 | unsigned int hdr_inc, data_len, header_num = 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 671 | |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 672 | if (td->o.verify == VERIFY_NULL) |
| 673 | return; |
| 674 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 675 | fill_pattern(td, p, io_u->buflen); |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 676 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 677 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 678 | if (td->o.verify_interval) |
| 679 | hdr_inc = td->o.verify_interval; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 680 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 681 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 682 | hdr = p; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 683 | |
| 684 | hdr->fio_magic = FIO_HDR_MAGIC; |
| 685 | hdr->verify_type = td->o.verify; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 686 | hdr->len = hdr_inc; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 687 | data_len = hdr_inc - hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 688 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 689 | data = p + hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 690 | switch (td->o.verify) { |
| 691 | case VERIFY_MD5: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 692 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 693 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 694 | fill_md5(hdr, data, data_len); |
| 695 | break; |
| 696 | case VERIFY_CRC64: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 697 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 698 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 699 | fill_crc64(hdr, data, data_len); |
| 700 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 701 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 702 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 703 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 704 | io_u, hdr->len); |
| 705 | fill_crc32c(hdr, data, data_len); |
| 706 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 707 | case VERIFY_CRC32: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 708 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 709 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 710 | fill_crc32(hdr, data, data_len); |
| 711 | break; |
| 712 | case VERIFY_CRC16: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 713 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 714 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 715 | fill_crc16(hdr, data, data_len); |
| 716 | break; |
| 717 | case VERIFY_CRC7: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 718 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 719 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 720 | fill_crc7(hdr, data, data_len); |
| 721 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 722 | case VERIFY_SHA256: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 723 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 724 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 725 | fill_sha256(hdr, data, data_len); |
| 726 | break; |
| 727 | case VERIFY_SHA512: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 728 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 729 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 730 | fill_sha512(hdr, data, data_len); |
| 731 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 732 | case VERIFY_META: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 733 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 734 | io_u, hdr->len); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 735 | fill_meta(hdr, td, io_u, header_num); |
| 736 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 737 | case VERIFY_SHA1: |
| 738 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 739 | io_u, hdr->len); |
| 740 | fill_sha1(hdr, data, data_len); |
| 741 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 742 | default: |
| 743 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 744 | assert(0); |
| 745 | } |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 746 | if (td->o.verify_offset) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 747 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 748 | header_num++; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 749 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 753 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 754 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 755 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 756 | /* |
| 757 | * this io_u is from a requeue, we already filled the offsets |
| 758 | */ |
| 759 | if (io_u->file) |
| 760 | return 0; |
| 761 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 762 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 763 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 764 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 765 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 766 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 767 | } else if (!flist_empty(&td->io_hist_list)) { |
| 768 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
| 769 | flist_del(&ipo->list); |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 770 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 771 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 772 | if (ipo) { |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 773 | io_u->offset = ipo->offset; |
| 774 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 775 | io_u->file = ipo->file; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 776 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 777 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 778 | int r = td_io_open_file(td, io_u->file); |
| 779 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 780 | if (r) { |
| 781 | dprint(FD_VERIFY, "failed file %s open\n", |
| 782 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 783 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 784 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 785 | } |
| 786 | |
| 787 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 788 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 789 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 790 | io_u->xfer_buf = io_u->buf; |
| 791 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 792 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 793 | 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] | 794 | return 0; |
| 795 | } |
| 796 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 797 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 798 | return 1; |
| 799 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 800 | |
| 801 | static void *verify_async_thread(void *data) |
| 802 | { |
| 803 | struct thread_data *td = data; |
| 804 | struct io_u *io_u; |
| 805 | int ret = 0; |
| 806 | |
| 807 | if (td->o.verify_cpumask_set && |
| 808 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 809 | log_err("fio: failed setting verify thread affinity\n"); |
| 810 | goto done; |
| 811 | } |
| 812 | |
| 813 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 814 | FLIST_HEAD(list); |
| 815 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 816 | read_barrier(); |
| 817 | if (td->verify_thread_exit) |
| 818 | break; |
| 819 | |
| 820 | pthread_mutex_lock(&td->io_u_lock); |
| 821 | |
| 822 | while (flist_empty(&td->verify_list) && |
| 823 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 824 | ret = pthread_cond_wait(&td->verify_cond, |
| 825 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 826 | if (ret) { |
| 827 | pthread_mutex_unlock(&td->io_u_lock); |
| 828 | break; |
| 829 | } |
| 830 | } |
| 831 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 832 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 833 | pthread_mutex_unlock(&td->io_u_lock); |
| 834 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 835 | if (flist_empty(&list)) |
| 836 | continue; |
| 837 | |
| 838 | while (!flist_empty(&list)) { |
| 839 | io_u = flist_entry(list.next, struct io_u, list); |
| 840 | flist_del_init(&io_u->list); |
| 841 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 842 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 843 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 844 | if (!ret) |
| 845 | continue; |
| 846 | if (td->o.continue_on_error && |
| 847 | td_non_fatal_error(ret)) { |
| 848 | update_error_count(td, ret); |
| 849 | td_clear_error(td); |
| 850 | ret = 0; |
| 851 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 852 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 853 | } while (!ret); |
| 854 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 855 | if (ret) { |
| 856 | td_verror(td, ret, "async_verify"); |
| 857 | td->terminate = 1; |
| 858 | } |
| 859 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 860 | done: |
| 861 | pthread_mutex_lock(&td->io_u_lock); |
| 862 | td->nr_verify_threads--; |
| 863 | pthread_mutex_unlock(&td->io_u_lock); |
| 864 | |
| 865 | pthread_cond_signal(&td->free_cond); |
| 866 | return NULL; |
| 867 | } |
| 868 | |
| 869 | int verify_async_init(struct thread_data *td) |
| 870 | { |
| 871 | int i, ret; |
| 872 | |
| 873 | td->verify_thread_exit = 0; |
| 874 | |
| 875 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 876 | for (i = 0; i < td->o.verify_async; i++) { |
| 877 | ret = pthread_create(&td->verify_threads[i], NULL, |
| 878 | verify_async_thread, td); |
| 879 | if (ret) { |
| 880 | log_err("fio: async verify creation failed: %s\n", |
| 881 | strerror(ret)); |
| 882 | break; |
| 883 | } |
| 884 | ret = pthread_detach(td->verify_threads[i]); |
| 885 | if (ret) { |
| 886 | log_err("fio: async verify thread detach failed: %s\n", |
| 887 | strerror(ret)); |
| 888 | break; |
| 889 | } |
| 890 | td->nr_verify_threads++; |
| 891 | } |
| 892 | |
| 893 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 894 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 895 | td->verify_thread_exit = 1; |
| 896 | write_barrier(); |
| 897 | pthread_cond_broadcast(&td->verify_cond); |
| 898 | return 1; |
| 899 | } |
| 900 | |
| 901 | return 0; |
| 902 | } |
| 903 | |
| 904 | void verify_async_exit(struct thread_data *td) |
| 905 | { |
| 906 | td->verify_thread_exit = 1; |
| 907 | write_barrier(); |
| 908 | pthread_cond_broadcast(&td->verify_cond); |
| 909 | |
| 910 | pthread_mutex_lock(&td->io_u_lock); |
| 911 | |
| 912 | while (td->nr_verify_threads) |
| 913 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 914 | |
| 915 | pthread_mutex_unlock(&td->io_u_lock); |
| 916 | free(td->verify_threads); |
| 917 | td->verify_threads = NULL; |
| 918 | } |