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 | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 13 | #include "lib/rand.h" |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 14 | |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 15 | #include "crc/md5.h" |
| 16 | #include "crc/crc64.h" |
| 17 | #include "crc/crc32.h" |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 18 | #include "crc/crc32c.h" |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 19 | #include "crc/crc16.h" |
| 20 | #include "crc/crc7.h" |
| 21 | #include "crc/sha256.h" |
| 22 | #include "crc/sha512.h" |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 23 | #include "crc/sha1.h" |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 24 | |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame^] | 25 | void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u) |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 26 | { |
| 27 | switch (td->o.verify_pattern_bytes) { |
| 28 | case 0: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 29 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
Jens Axboe | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 30 | fill_random_buf(p, len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 31 | break; |
| 32 | case 1: |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame^] | 33 | if (io_u->buf_filled && io_u->buf_filled_len >= len) { |
| 34 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
| 35 | return; |
| 36 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 37 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 38 | memset(p, td->o.verify_pattern[0], len); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame^] | 39 | io_u->buf_filled = 1; |
| 40 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 41 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 42 | default: { |
| 43 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 44 | unsigned char *b = p; |
| 45 | |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame^] | 46 | if (io_u->buf_filled && io_u->buf_filled_len >= len) { |
| 47 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 48 | td->o.verify_pattern_bytes, len); |
| 49 | return; |
| 50 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 51 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 52 | td->o.verify_pattern_bytes, len); |
| 53 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 54 | while (i < len) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 55 | size = td->o.verify_pattern_bytes; |
| 56 | if (size > (len - i)) |
| 57 | size = len - i; |
| 58 | memcpy(b+i, td->o.verify_pattern, size); |
| 59 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 60 | } |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame^] | 61 | io_u->buf_filled = 1; |
| 62 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 63 | break; |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 68 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 69 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 70 | char swap[200]; |
| 71 | |
| 72 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 73 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 74 | memcpy(&swap, buf1, len); |
| 75 | memcpy(buf1, buf2, len); |
| 76 | memcpy(buf2, &swap, len); |
| 77 | } |
| 78 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 79 | static void hexdump(void *buffer, int len) |
| 80 | { |
| 81 | unsigned char *p = buffer; |
| 82 | int i; |
| 83 | |
| 84 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 85 | log_err("%02x", p[i]); |
| 86 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 87 | } |
| 88 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 89 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 90 | * Prepare for seperation of verify_header and checksum header |
| 91 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 92 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 93 | { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 94 | unsigned int len = len; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 95 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 96 | switch (verify_type) { |
| 97 | case VERIFY_NONE: |
| 98 | case VERIFY_NULL: |
| 99 | len = 0; |
| 100 | break; |
| 101 | case VERIFY_MD5: |
| 102 | len = sizeof(struct vhdr_md5); |
| 103 | break; |
| 104 | case VERIFY_CRC64: |
| 105 | len = sizeof(struct vhdr_crc64); |
| 106 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 107 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 108 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 109 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 110 | len = sizeof(struct vhdr_crc32); |
| 111 | break; |
| 112 | case VERIFY_CRC16: |
| 113 | len = sizeof(struct vhdr_crc16); |
| 114 | break; |
| 115 | case VERIFY_CRC7: |
| 116 | len = sizeof(struct vhdr_crc7); |
| 117 | break; |
| 118 | case VERIFY_SHA256: |
| 119 | len = sizeof(struct vhdr_sha256); |
| 120 | break; |
| 121 | case VERIFY_SHA512: |
| 122 | len = sizeof(struct vhdr_sha512); |
| 123 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 124 | case VERIFY_META: |
| 125 | len = sizeof(struct vhdr_meta); |
| 126 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 127 | case VERIFY_SHA1: |
| 128 | len = sizeof(struct vhdr_sha1); |
| 129 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 130 | default: |
| 131 | log_err("fio: unknown verify header!\n"); |
| 132 | assert(0); |
| 133 | } |
| 134 | |
| 135 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 139 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 140 | return __hdr_size(hdr->verify_type); |
| 141 | } |
| 142 | |
| 143 | static void *hdr_priv(struct verify_header *hdr) |
| 144 | { |
| 145 | void *priv = hdr; |
| 146 | |
| 147 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 151 | * Verify container, pass info to verify handlers and allow them to |
| 152 | * pass info back in case of error |
| 153 | */ |
| 154 | struct vcont { |
| 155 | /* |
| 156 | * Input |
| 157 | */ |
| 158 | struct io_u *io_u; |
| 159 | unsigned int hdr_num; |
| 160 | |
| 161 | /* |
| 162 | * Output, only valid in case of error |
| 163 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 164 | const char *name; |
| 165 | void *good_crc; |
| 166 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 167 | unsigned int crc_len; |
| 168 | }; |
| 169 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 170 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 171 | { |
| 172 | unsigned long long offset; |
| 173 | |
| 174 | offset = vc->io_u->offset; |
| 175 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 176 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 177 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 178 | |
| 179 | if (vc->good_crc && vc->bad_crc) { |
| 180 | log_err(" Expected CRC: "); |
| 181 | hexdump(vc->good_crc, vc->crc_len); |
| 182 | log_err(" Received CRC: "); |
| 183 | hexdump(vc->bad_crc, vc->crc_len); |
| 184 | } |
| 185 | } |
| 186 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 187 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 188 | * Return data area 'header_num' |
| 189 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 190 | 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] | 191 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 192 | 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] | 193 | } |
| 194 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 195 | 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] | 196 | struct vcont *vc) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 197 | { |
| 198 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 199 | struct io_u *io_u = vc->io_u; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 200 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 201 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 202 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 203 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
| 204 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 205 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 206 | vc->name = "meta"; |
| 207 | log_verify_failure(hdr, vc); |
| 208 | return EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 209 | } |
| 210 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 211 | 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] | 212 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 213 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 214 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 215 | uint8_t sha512[128]; |
| 216 | struct sha512_ctx sha512_ctx = { |
| 217 | .buf = sha512, |
| 218 | }; |
| 219 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 220 | 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] | 221 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 222 | sha512_init(&sha512_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 223 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 224 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 225 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 226 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 227 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 228 | vc->name = "sha512"; |
| 229 | vc->good_crc = vh->sha512; |
| 230 | vc->bad_crc = sha512_ctx.buf; |
| 231 | vc->crc_len = sizeof(vh->sha512); |
| 232 | log_verify_failure(hdr, vc); |
| 233 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 234 | } |
| 235 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 236 | 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] | 237 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 238 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 239 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 240 | uint8_t sha256[64]; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 241 | struct sha256_ctx sha256_ctx = { |
| 242 | .buf = sha256, |
| 243 | }; |
| 244 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 245 | 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] | 246 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 247 | sha256_init(&sha256_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 248 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 249 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 250 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 251 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 252 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 253 | vc->name = "sha256"; |
| 254 | vc->good_crc = vh->sha256; |
| 255 | vc->bad_crc = sha256_ctx.buf; |
| 256 | vc->crc_len = sizeof(vh->sha256); |
| 257 | log_verify_failure(hdr, vc); |
| 258 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 259 | } |
| 260 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 261 | 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] | 262 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 263 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 264 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 265 | uint32_t sha1[5]; |
| 266 | struct sha1_ctx sha1_ctx = { |
| 267 | .H = sha1, |
| 268 | }; |
| 269 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 270 | 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] | 271 | |
| 272 | sha1_init(&sha1_ctx); |
| 273 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
| 274 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 275 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 276 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 277 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 278 | vc->name = "sha1"; |
| 279 | vc->good_crc = vh->sha1; |
| 280 | vc->bad_crc = sha1_ctx.H; |
| 281 | vc->crc_len = sizeof(vh->sha1); |
| 282 | log_verify_failure(hdr, vc); |
| 283 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 284 | } |
| 285 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 286 | 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] | 287 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 288 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 289 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 290 | unsigned char c; |
| 291 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 292 | 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] | 293 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 294 | c = crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 295 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 296 | if (c == vh->crc7) |
| 297 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 298 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 299 | vc->name = "crc7"; |
| 300 | vc->good_crc = &vh->crc7; |
| 301 | vc->bad_crc = &c; |
| 302 | vc->crc_len = 1; |
| 303 | log_verify_failure(hdr, vc); |
| 304 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 305 | } |
| 306 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 307 | 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] | 308 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 309 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 310 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 311 | unsigned short c; |
| 312 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 313 | 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] | 314 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 315 | c = crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 316 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 317 | if (c == vh->crc16) |
| 318 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 319 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 320 | vc->name = "crc16"; |
| 321 | vc->good_crc = &vh->crc16; |
| 322 | vc->bad_crc = &c; |
| 323 | vc->crc_len = 2; |
| 324 | log_verify_failure(hdr, vc); |
| 325 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 326 | } |
| 327 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 328 | 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] | 329 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 330 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 331 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 332 | unsigned long long c; |
| 333 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 334 | 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] | 335 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 336 | c = crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 337 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 338 | if (c == vh->crc64) |
| 339 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 340 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 341 | vc->name = "crc64"; |
| 342 | vc->good_crc = &vh->crc64; |
| 343 | vc->bad_crc = &c; |
| 344 | vc->crc_len = 8; |
| 345 | log_verify_failure(hdr, vc); |
| 346 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 347 | } |
| 348 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 349 | 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] | 350 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 351 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 352 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 353 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 354 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 355 | 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] | 356 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 357 | c = crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 358 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 359 | if (c == vh->crc32) |
| 360 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 361 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 362 | vc->name = "crc32"; |
| 363 | vc->good_crc = &vh->crc32; |
| 364 | vc->bad_crc = &c; |
| 365 | vc->crc_len = 4; |
| 366 | log_verify_failure(hdr, vc); |
| 367 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 368 | } |
| 369 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 370 | 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] | 371 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 372 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 373 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 374 | uint32_t c; |
| 375 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 376 | 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] | 377 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 378 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 379 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); |
| 380 | else |
| 381 | c = crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 382 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 383 | if (c == vh->crc32) |
| 384 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 385 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 386 | vc->name = "crc32c"; |
| 387 | vc->good_crc = &vh->crc32; |
| 388 | vc->bad_crc = &c; |
| 389 | vc->crc_len = 4; |
| 390 | log_verify_failure(hdr, vc); |
| 391 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 392 | } |
| 393 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 394 | 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] | 395 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 396 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 397 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 398 | uint32_t hash[MD5_HASH_WORDS]; |
| 399 | struct md5_ctx md5_ctx = { |
| 400 | .hash = hash, |
| 401 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 402 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 403 | 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] | 404 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 405 | md5_init(&md5_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 406 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 407 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 408 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 409 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 410 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 411 | vc->name = "md5"; |
| 412 | vc->good_crc = vh->md5_digest; |
| 413 | vc->bad_crc = md5_ctx.hash; |
| 414 | vc->crc_len = sizeof(hash); |
| 415 | log_verify_failure(hdr, vc); |
| 416 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 417 | } |
| 418 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 419 | static unsigned int hweight8(unsigned int w) |
| 420 | { |
| 421 | unsigned int res = w - ((w >> 1) & 0x55); |
| 422 | |
| 423 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 424 | return (res + (res >> 4)) & 0x0F; |
| 425 | } |
| 426 | |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 427 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 428 | char *buf, unsigned int len, unsigned int mod) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 429 | { |
| 430 | unsigned int i; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 431 | |
| 432 | for (i = 0; i < len; i++) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 433 | if (buf[i] != pattern[mod]) { |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 434 | unsigned int bits; |
| 435 | |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 436 | bits = hweight8(buf[i] ^ pattern[mod]); |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 437 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 438 | buf[i], pattern[mod], bits); |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 439 | log_err("fio: bad pattern block offset %u\n", i); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 440 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 441 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 442 | mod++; |
| 443 | if (mod == pattern_size) |
| 444 | mod = 0; |
| 445 | } |
| 446 | |
| 447 | return 0; |
| 448 | } |
| 449 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 450 | /* |
| 451 | * Push IO verification to a separate thread |
| 452 | */ |
| 453 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 454 | { |
| 455 | if (io_u->file) |
| 456 | put_file_log(td, io_u->file); |
| 457 | |
| 458 | io_u->file = NULL; |
| 459 | |
| 460 | pthread_mutex_lock(&td->io_u_lock); |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 461 | |
| 462 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 463 | td->cur_depth--; |
| 464 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 465 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 466 | flist_del(&io_u->list); |
| 467 | flist_add_tail(&io_u->list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 468 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 469 | pthread_mutex_unlock(&td->io_u_lock); |
| 470 | |
| 471 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 472 | return 0; |
| 473 | } |
| 474 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 475 | 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] | 476 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 477 | struct verify_header *hdr; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 478 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 479 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 480 | int ret; |
| 481 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 482 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 483 | return 0; |
| 484 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 485 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 486 | if (td->o.verify_interval) |
| 487 | hdr_inc = td->o.verify_interval; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 488 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 489 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 490 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 491 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 492 | struct vcont vc = { |
| 493 | .io_u = io_u, |
| 494 | .hdr_num = hdr_num, |
| 495 | }; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 496 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 497 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 498 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 499 | |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 500 | hdr_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 501 | if (td->o.verify_offset) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 502 | memswp(p, p + td->o.verify_offset, hdr_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 503 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 504 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 505 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 506 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
| 507 | hdr->fio_magic, FIO_HDR_MAGIC, |
| 508 | io_u->file->file_name, |
| 509 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 510 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 511 | } |
| 512 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 513 | if (td->o.verify_pattern_bytes) { |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 514 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
| 515 | io_u, hdr->len); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 516 | ret = verify_io_u_pattern(td->o.verify_pattern, |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 517 | td->o.verify_pattern_bytes, |
| 518 | p + hdr_size, |
| 519 | hdr_inc - hdr_size, |
| 520 | hdr_size % td->o.verify_pattern_bytes); |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 521 | |
| 522 | if (ret) { |
| 523 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", |
| 524 | io_u->file->file_name, |
| 525 | io_u->offset + hdr_num * hdr->len, |
| 526 | hdr->len); |
| 527 | } |
| 528 | |
Radha Ramachandran | e92d3d7 | 2009-07-27 12:27:55 +0200 | [diff] [blame] | 529 | /* |
| 530 | * Also verify the meta data, if applicable |
| 531 | */ |
| 532 | if (hdr->verify_type == VERIFY_META) |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 533 | ret |= verify_io_u_meta(hdr, td, &vc); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 534 | continue; |
| 535 | } |
| 536 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 537 | switch (hdr->verify_type) { |
| 538 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 539 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 540 | break; |
| 541 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 542 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 543 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 544 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 545 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 546 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 547 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 548 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 549 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 550 | break; |
| 551 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 552 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 553 | break; |
| 554 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 555 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 556 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 557 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 558 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 559 | break; |
| 560 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 561 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 562 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 563 | case VERIFY_META: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 564 | ret = verify_io_u_meta(hdr, td, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 565 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 566 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 567 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 568 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 569 | default: |
| 570 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 571 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 572 | } |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 573 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 574 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 575 | if (ret && td->o.verify_fatal) |
| 576 | td->terminate = 1; |
| 577 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 578 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 579 | } |
| 580 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 581 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 582 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 583 | { |
| 584 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 585 | |
| 586 | vh->thread = td->thread_number; |
| 587 | |
| 588 | vh->time_sec = io_u->start_time.tv_sec; |
| 589 | vh->time_usec = io_u->start_time.tv_usec; |
| 590 | |
| 591 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 592 | |
| 593 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 594 | } |
| 595 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 596 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 597 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 598 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 599 | struct sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 600 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 601 | }; |
| 602 | |
| 603 | sha512_init(&sha512_ctx); |
| 604 | sha512_update(&sha512_ctx, p, len); |
| 605 | } |
| 606 | |
| 607 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 608 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 609 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 610 | struct sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 611 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 612 | }; |
| 613 | |
| 614 | sha256_init(&sha256_ctx); |
| 615 | sha256_update(&sha256_ctx, p, len); |
| 616 | } |
| 617 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 618 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 619 | { |
| 620 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 621 | struct sha1_ctx sha1_ctx = { |
| 622 | .H = vh->sha1, |
| 623 | }; |
| 624 | |
| 625 | sha1_init(&sha1_ctx); |
| 626 | sha1_update(&sha1_ctx, p, len); |
| 627 | } |
| 628 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 629 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 630 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 631 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 632 | |
| 633 | vh->crc7 = crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 634 | } |
| 635 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 636 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 637 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 638 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 639 | |
| 640 | vh->crc16 = crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 641 | } |
| 642 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 643 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 644 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 645 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 646 | |
| 647 | vh->crc32 = crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 648 | } |
| 649 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 650 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 651 | { |
| 652 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 653 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 654 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 655 | vh->crc32 = crc32c_intel(p, len); |
| 656 | else |
| 657 | vh->crc32 = crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 658 | } |
| 659 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 660 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 661 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 662 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 663 | |
| 664 | vh->crc64 = crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 665 | } |
| 666 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 667 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 668 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 669 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 670 | struct md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 671 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 672 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 673 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 674 | md5_init(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 675 | md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | /* |
| 679 | * fill body of io_u->buf with random data and add a header with the |
| 680 | * crc32 or md5 sum of that data. |
| 681 | */ |
| 682 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 683 | { |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 684 | struct verify_header *hdr; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 685 | void *p = io_u->buf, *data; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 686 | unsigned int hdr_inc, data_len, header_num = 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 687 | |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 688 | if (td->o.verify == VERIFY_NULL) |
| 689 | return; |
| 690 | |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame^] | 691 | fill_pattern(td, p, io_u->buflen, io_u); |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 692 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 693 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 694 | if (td->o.verify_interval) |
| 695 | hdr_inc = td->o.verify_interval; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 696 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 697 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 698 | hdr = p; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 699 | |
| 700 | hdr->fio_magic = FIO_HDR_MAGIC; |
| 701 | hdr->verify_type = td->o.verify; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 702 | hdr->len = hdr_inc; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 703 | data_len = hdr_inc - hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 704 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 705 | data = p + hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 706 | switch (td->o.verify) { |
| 707 | case VERIFY_MD5: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 708 | dprint(FD_VERIFY, "fill md5 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_md5(hdr, data, data_len); |
| 711 | break; |
| 712 | case VERIFY_CRC64: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 713 | dprint(FD_VERIFY, "fill crc64 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_crc64(hdr, data, data_len); |
| 716 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 717 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 718 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 719 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 720 | io_u, hdr->len); |
| 721 | fill_crc32c(hdr, data, data_len); |
| 722 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 723 | case VERIFY_CRC32: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 724 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 725 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 726 | fill_crc32(hdr, data, data_len); |
| 727 | break; |
| 728 | case VERIFY_CRC16: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 729 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 730 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 731 | fill_crc16(hdr, data, data_len); |
| 732 | break; |
| 733 | case VERIFY_CRC7: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 734 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 735 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 736 | fill_crc7(hdr, data, data_len); |
| 737 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 738 | case VERIFY_SHA256: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 739 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 740 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 741 | fill_sha256(hdr, data, data_len); |
| 742 | break; |
| 743 | case VERIFY_SHA512: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 744 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 745 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 746 | fill_sha512(hdr, data, data_len); |
| 747 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 748 | case VERIFY_META: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 749 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 750 | io_u, hdr->len); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 751 | fill_meta(hdr, td, io_u, header_num); |
| 752 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 753 | case VERIFY_SHA1: |
| 754 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 755 | io_u, hdr->len); |
| 756 | fill_sha1(hdr, data, data_len); |
| 757 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 758 | default: |
| 759 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 760 | assert(0); |
| 761 | } |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 762 | if (td->o.verify_offset) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 763 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 764 | header_num++; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 765 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 766 | } |
| 767 | |
| 768 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 769 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 770 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 771 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 772 | /* |
| 773 | * this io_u is from a requeue, we already filled the offsets |
| 774 | */ |
| 775 | if (io_u->file) |
| 776 | return 0; |
| 777 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 778 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 779 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 780 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 781 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 782 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 783 | td->io_hist_len--; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 784 | } else if (!flist_empty(&td->io_hist_list)) { |
| 785 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 786 | td->io_hist_len--; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 787 | flist_del(&ipo->list); |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 788 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 789 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 790 | if (ipo) { |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 791 | io_u->offset = ipo->offset; |
| 792 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 793 | io_u->file = ipo->file; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 794 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 795 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 796 | int r = td_io_open_file(td, io_u->file); |
| 797 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 798 | if (r) { |
| 799 | dprint(FD_VERIFY, "failed file %s open\n", |
| 800 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 801 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 802 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 806 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 807 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 808 | io_u->xfer_buf = io_u->buf; |
| 809 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 810 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 811 | 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] | 812 | return 0; |
| 813 | } |
| 814 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 815 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 816 | return 1; |
| 817 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 818 | |
| 819 | static void *verify_async_thread(void *data) |
| 820 | { |
| 821 | struct thread_data *td = data; |
| 822 | struct io_u *io_u; |
| 823 | int ret = 0; |
| 824 | |
| 825 | if (td->o.verify_cpumask_set && |
| 826 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 827 | log_err("fio: failed setting verify thread affinity\n"); |
| 828 | goto done; |
| 829 | } |
| 830 | |
| 831 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 832 | FLIST_HEAD(list); |
| 833 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 834 | read_barrier(); |
| 835 | if (td->verify_thread_exit) |
| 836 | break; |
| 837 | |
| 838 | pthread_mutex_lock(&td->io_u_lock); |
| 839 | |
| 840 | while (flist_empty(&td->verify_list) && |
| 841 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 842 | ret = pthread_cond_wait(&td->verify_cond, |
| 843 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 844 | if (ret) { |
| 845 | pthread_mutex_unlock(&td->io_u_lock); |
| 846 | break; |
| 847 | } |
| 848 | } |
| 849 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 850 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 851 | pthread_mutex_unlock(&td->io_u_lock); |
| 852 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 853 | if (flist_empty(&list)) |
| 854 | continue; |
| 855 | |
| 856 | while (!flist_empty(&list)) { |
| 857 | io_u = flist_entry(list.next, struct io_u, list); |
| 858 | flist_del_init(&io_u->list); |
| 859 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 860 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 861 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 862 | if (!ret) |
| 863 | continue; |
| 864 | if (td->o.continue_on_error && |
| 865 | td_non_fatal_error(ret)) { |
| 866 | update_error_count(td, ret); |
| 867 | td_clear_error(td); |
| 868 | ret = 0; |
| 869 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 870 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 871 | } while (!ret); |
| 872 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 873 | if (ret) { |
| 874 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 875 | if (td->o.verify_fatal) |
| 876 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 877 | } |
| 878 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 879 | done: |
| 880 | pthread_mutex_lock(&td->io_u_lock); |
| 881 | td->nr_verify_threads--; |
| 882 | pthread_mutex_unlock(&td->io_u_lock); |
| 883 | |
| 884 | pthread_cond_signal(&td->free_cond); |
| 885 | return NULL; |
| 886 | } |
| 887 | |
| 888 | int verify_async_init(struct thread_data *td) |
| 889 | { |
| 890 | int i, ret; |
| 891 | |
| 892 | td->verify_thread_exit = 0; |
| 893 | |
| 894 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 895 | for (i = 0; i < td->o.verify_async; i++) { |
| 896 | ret = pthread_create(&td->verify_threads[i], NULL, |
| 897 | verify_async_thread, td); |
| 898 | if (ret) { |
| 899 | log_err("fio: async verify creation failed: %s\n", |
| 900 | strerror(ret)); |
| 901 | break; |
| 902 | } |
| 903 | ret = pthread_detach(td->verify_threads[i]); |
| 904 | if (ret) { |
| 905 | log_err("fio: async verify thread detach failed: %s\n", |
| 906 | strerror(ret)); |
| 907 | break; |
| 908 | } |
| 909 | td->nr_verify_threads++; |
| 910 | } |
| 911 | |
| 912 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 913 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 914 | td->verify_thread_exit = 1; |
| 915 | write_barrier(); |
| 916 | pthread_cond_broadcast(&td->verify_cond); |
| 917 | return 1; |
| 918 | } |
| 919 | |
| 920 | return 0; |
| 921 | } |
| 922 | |
| 923 | void verify_async_exit(struct thread_data *td) |
| 924 | { |
| 925 | td->verify_thread_exit = 1; |
| 926 | write_barrier(); |
| 927 | pthread_cond_broadcast(&td->verify_cond); |
| 928 | |
| 929 | pthread_mutex_lock(&td->io_u_lock); |
| 930 | |
| 931 | while (td->nr_verify_threads) |
| 932 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 933 | |
| 934 | pthread_mutex_unlock(&td->io_u_lock); |
| 935 | free(td->verify_threads); |
| 936 | td->verify_threads = NULL; |
| 937 | } |