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); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 56 | memset(p, td->o.verify_pattern[0], len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 57 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 58 | default: { |
| 59 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 60 | unsigned char *b = p; |
| 61 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 62 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 63 | td->o.verify_pattern_bytes, len); |
| 64 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 65 | while (i < len) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 66 | size = td->o.verify_pattern_bytes; |
| 67 | if (size > (len - i)) |
| 68 | size = len - i; |
| 69 | memcpy(b+i, td->o.verify_pattern, size); |
| 70 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 71 | } |
| 72 | break; |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 77 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 78 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 79 | char swap[200]; |
| 80 | |
| 81 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 82 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 83 | memcpy(&swap, buf1, len); |
| 84 | memcpy(buf1, buf2, len); |
| 85 | memcpy(buf2, &swap, len); |
| 86 | } |
| 87 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 88 | static void hexdump(void *buffer, int len) |
| 89 | { |
| 90 | unsigned char *p = buffer; |
| 91 | int i; |
| 92 | |
| 93 | for (i = 0; i < len; i++) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 94 | log_info("%02x", p[i]); |
| 95 | log_info("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 96 | } |
| 97 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 98 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 99 | * Prepare for seperation of verify_header and checksum header |
| 100 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 101 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 102 | { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 103 | unsigned int len = len; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 104 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 105 | switch (verify_type) { |
| 106 | case VERIFY_NONE: |
| 107 | case VERIFY_NULL: |
| 108 | len = 0; |
| 109 | break; |
| 110 | case VERIFY_MD5: |
| 111 | len = sizeof(struct vhdr_md5); |
| 112 | break; |
| 113 | case VERIFY_CRC64: |
| 114 | len = sizeof(struct vhdr_crc64); |
| 115 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 116 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 117 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 118 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 119 | len = sizeof(struct vhdr_crc32); |
| 120 | break; |
| 121 | case VERIFY_CRC16: |
| 122 | len = sizeof(struct vhdr_crc16); |
| 123 | break; |
| 124 | case VERIFY_CRC7: |
| 125 | len = sizeof(struct vhdr_crc7); |
| 126 | break; |
| 127 | case VERIFY_SHA256: |
| 128 | len = sizeof(struct vhdr_sha256); |
| 129 | break; |
| 130 | case VERIFY_SHA512: |
| 131 | len = sizeof(struct vhdr_sha512); |
| 132 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 133 | case VERIFY_META: |
| 134 | len = sizeof(struct vhdr_meta); |
| 135 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 136 | case VERIFY_SHA1: |
| 137 | len = sizeof(struct vhdr_sha1); |
| 138 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 139 | default: |
| 140 | log_err("fio: unknown verify header!\n"); |
| 141 | assert(0); |
| 142 | } |
| 143 | |
| 144 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 148 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 149 | return __hdr_size(hdr->verify_type); |
| 150 | } |
| 151 | |
| 152 | static void *hdr_priv(struct verify_header *hdr) |
| 153 | { |
| 154 | void *priv = hdr; |
| 155 | |
| 156 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 160 | * Verify container, pass info to verify handlers and allow them to |
| 161 | * pass info back in case of error |
| 162 | */ |
| 163 | struct vcont { |
| 164 | /* |
| 165 | * Input |
| 166 | */ |
| 167 | struct io_u *io_u; |
| 168 | unsigned int hdr_num; |
| 169 | |
| 170 | /* |
| 171 | * Output, only valid in case of error |
| 172 | */ |
| 173 | unsigned char *good_crc; |
| 174 | unsigned char *bad_crc; |
| 175 | unsigned int crc_len; |
| 176 | }; |
| 177 | |
| 178 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 179 | * Return data area 'header_num' |
| 180 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 181 | 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] | 182 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 183 | 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] | 184 | } |
| 185 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 186 | 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] | 187 | struct vcont *vc) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 188 | { |
| 189 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 190 | struct io_u *io_u = vc->io_u; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 191 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 192 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 193 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 194 | if (vh->offset != io_u->offset + vc->hdr_num * td->o.verify_interval) { |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 195 | log_err("meta: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 196 | io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 197 | return EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | return 0; |
| 201 | } |
| 202 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 203 | 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] | 204 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 205 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 206 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 207 | uint8_t sha512[128]; |
| 208 | struct sha512_ctx sha512_ctx = { |
| 209 | .buf = sha512, |
| 210 | }; |
| 211 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 212 | 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] | 213 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 214 | sha512_init(&sha512_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 215 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 216 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 217 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 218 | log_err("sha512: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 219 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 220 | hexdump(vh->sha512, sizeof(vh->sha512)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 221 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 222 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | return 0; |
| 226 | } |
| 227 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 228 | 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] | 229 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 230 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 231 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 232 | uint8_t sha256[64]; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 233 | struct sha256_ctx sha256_ctx = { |
| 234 | .buf = sha256, |
| 235 | }; |
| 236 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 237 | 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] | 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 | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 244 | vc->io_u->offset + vc->hdr_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 | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 253 | 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] | 254 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 255 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 256 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 257 | uint32_t sha1[5]; |
| 258 | struct sha1_ctx sha1_ctx = { |
| 259 | .H = sha1, |
| 260 | }; |
| 261 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 262 | 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] | 263 | |
| 264 | sha1_init(&sha1_ctx); |
| 265 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
| 266 | |
| 267 | if (memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) { |
| 268 | log_err("sha1: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 269 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 270 | hexdump(vh->sha1, sizeof(vh->sha1)); |
| 271 | hexdump(sha1_ctx.H, sizeof(sha1)); |
| 272 | return EILSEQ; |
| 273 | } |
| 274 | |
| 275 | return 0; |
| 276 | } |
| 277 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 278 | 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] | 279 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 280 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 281 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 282 | unsigned char c; |
| 283 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 284 | 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] | 285 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 286 | c = crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 287 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 288 | if (c != vh->crc7) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 289 | log_err("crc7: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 290 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 291 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 292 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | return 0; |
| 296 | } |
| 297 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 298 | 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] | 299 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 300 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 301 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 302 | unsigned short c; |
| 303 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 304 | 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] | 305 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 306 | c = crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 307 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 308 | if (c != vh->crc16) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 309 | log_err("crc16: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 310 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 311 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 312 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | return 0; |
| 316 | } |
| 317 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 318 | 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] | 319 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 320 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 321 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 322 | unsigned long long c; |
| 323 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 324 | 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] | 325 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 326 | c = crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 327 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 328 | if (c != vh->crc64) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 329 | log_err("crc64: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 330 | vc->io_u->offset + vc->hdr_num * hdr->len, |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 331 | hdr->len); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 332 | log_err("crc64: wanted %llx, got %llx\n", |
| 333 | (unsigned long long) vh->crc64, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 334 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | return 0; |
| 338 | } |
| 339 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 340 | 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] | 341 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 342 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 343 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 344 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 345 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 346 | 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] | 347 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 348 | c = crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 349 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 350 | if (c != vh->crc32) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 351 | log_err("crc32: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 352 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 353 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 354 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | return 0; |
| 358 | } |
| 359 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 360 | 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] | 361 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 362 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 363 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 364 | uint32_t c; |
| 365 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 366 | 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] | 367 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 368 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 369 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); |
| 370 | else |
| 371 | c = crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 372 | |
| 373 | if (c != vh->crc32) { |
| 374 | log_err("crc32c: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 375 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 376 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 377 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 383 | 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] | 384 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 385 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 386 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 387 | uint32_t hash[MD5_HASH_WORDS]; |
| 388 | struct md5_ctx md5_ctx = { |
| 389 | .hash = hash, |
| 390 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 391 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 392 | 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] | 393 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 394 | md5_init(&md5_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 395 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 396 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 397 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 398 | log_err("md5: verify failed at %llu/%u\n", |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 399 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 400 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 401 | hexdump(md5_ctx.hash, sizeof(hash)); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 402 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | return 0; |
| 406 | } |
| 407 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 408 | static unsigned int hweight8(unsigned int w) |
| 409 | { |
| 410 | unsigned int res = w - ((w >> 1) & 0x55); |
| 411 | |
| 412 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 413 | return (res + (res >> 4)) & 0x0F; |
| 414 | } |
| 415 | |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 416 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 417 | char *buf, unsigned int len, unsigned int mod) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 418 | { |
| 419 | unsigned int i; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 420 | |
| 421 | for (i = 0; i < len; i++) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 422 | if (buf[i] != pattern[mod]) { |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 423 | unsigned int bits; |
| 424 | |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 425 | bits = hweight8(buf[i] ^ pattern[mod]); |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 426 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 427 | buf[i], pattern[mod], bits); |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 428 | log_err("fio: bad pattern block offset %u\n", i); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 429 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 430 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 431 | mod++; |
| 432 | if (mod == pattern_size) |
| 433 | mod = 0; |
| 434 | } |
| 435 | |
| 436 | return 0; |
| 437 | } |
| 438 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 439 | /* |
| 440 | * Push IO verification to a separate thread |
| 441 | */ |
| 442 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 443 | { |
| 444 | if (io_u->file) |
| 445 | put_file_log(td, io_u->file); |
| 446 | |
| 447 | io_u->file = NULL; |
| 448 | |
| 449 | pthread_mutex_lock(&td->io_u_lock); |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 450 | |
| 451 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 452 | td->cur_depth--; |
| 453 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 454 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 455 | flist_del(&io_u->list); |
| 456 | flist_add_tail(&io_u->list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 457 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 458 | pthread_mutex_unlock(&td->io_u_lock); |
| 459 | |
| 460 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 461 | return 0; |
| 462 | } |
| 463 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 464 | 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] | 465 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 466 | struct verify_header *hdr; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 467 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 468 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 469 | int ret; |
| 470 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 471 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 472 | return 0; |
| 473 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 474 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 475 | if (td->o.verify_interval) |
| 476 | hdr_inc = td->o.verify_interval; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 477 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 478 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 479 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 480 | p += hdr_inc, hdr_num++) { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 481 | struct vcont vc; |
| 482 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 483 | if (ret && td->o.verify_fatal) { |
| 484 | td->terminate = 1; |
| 485 | break; |
| 486 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 487 | hdr_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 488 | if (td->o.verify_offset) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 489 | memswp(p, p + td->o.verify_offset, hdr_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 490 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 491 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 492 | vc.io_u = io_u; |
| 493 | vc.hdr_num = hdr_num; |
| 494 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 495 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
Radha Ramachandran | b7a3e66 | 2009-11-12 08:42:43 +0100 | [diff] [blame] | 496 | log_err("Bad verify header %x at %llu\n", |
| 497 | hdr->fio_magic, |
| 498 | io_u->offset + hdr_num * hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 499 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 500 | } |
| 501 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 502 | if (td->o.verify_pattern_bytes) { |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 503 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
| 504 | io_u, hdr->len); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 505 | ret = verify_io_u_pattern(td->o.verify_pattern, |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 506 | td->o.verify_pattern_bytes, |
| 507 | p + hdr_size, |
| 508 | hdr_inc - hdr_size, |
| 509 | hdr_size % td->o.verify_pattern_bytes); |
Radha Ramachandran | e92d3d7 | 2009-07-27 12:27:55 +0200 | [diff] [blame] | 510 | /* |
| 511 | * Also verify the meta data, if applicable |
| 512 | */ |
| 513 | if (hdr->verify_type == VERIFY_META) |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 514 | ret |= verify_io_u_meta(hdr, td, &vc); |
Radha Ramachandran | e92d3d7 | 2009-07-27 12:27:55 +0200 | [diff] [blame] | 515 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 516 | if (ret) |
| 517 | log_err("fio: verify failed at %llu/%u\n", |
| 518 | io_u->offset + hdr_num * hdr->len, |
| 519 | hdr->len); |
| 520 | continue; |
| 521 | } |
| 522 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 523 | switch (hdr->verify_type) { |
| 524 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 525 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 526 | break; |
| 527 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 528 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 529 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 530 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 531 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 532 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 533 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 534 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 535 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 536 | break; |
| 537 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 538 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 539 | break; |
| 540 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 541 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 542 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 543 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 544 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 545 | break; |
| 546 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 547 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 548 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 549 | case VERIFY_META: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 550 | ret = verify_io_u_meta(hdr, td, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 551 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 552 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 553 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 554 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 555 | default: |
| 556 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 557 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 558 | } |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 559 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 560 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 561 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 562 | } |
| 563 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 564 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 565 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 566 | { |
| 567 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 568 | |
| 569 | vh->thread = td->thread_number; |
| 570 | |
| 571 | vh->time_sec = io_u->start_time.tv_sec; |
| 572 | vh->time_usec = io_u->start_time.tv_usec; |
| 573 | |
| 574 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 575 | |
| 576 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 577 | } |
| 578 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 579 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 580 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 581 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 582 | struct sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 583 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 584 | }; |
| 585 | |
| 586 | sha512_init(&sha512_ctx); |
| 587 | sha512_update(&sha512_ctx, p, len); |
| 588 | } |
| 589 | |
| 590 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 591 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 592 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 593 | struct sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 594 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 595 | }; |
| 596 | |
| 597 | sha256_init(&sha256_ctx); |
| 598 | sha256_update(&sha256_ctx, p, len); |
| 599 | } |
| 600 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 601 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 602 | { |
| 603 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 604 | struct sha1_ctx sha1_ctx = { |
| 605 | .H = vh->sha1, |
| 606 | }; |
| 607 | |
| 608 | sha1_init(&sha1_ctx); |
| 609 | sha1_update(&sha1_ctx, p, len); |
| 610 | } |
| 611 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 612 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 613 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 614 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 615 | |
| 616 | vh->crc7 = crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 617 | } |
| 618 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 619 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 620 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 621 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 622 | |
| 623 | vh->crc16 = crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 624 | } |
| 625 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 626 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 627 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 628 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 629 | |
| 630 | vh->crc32 = crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 631 | } |
| 632 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 633 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 634 | { |
| 635 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 636 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 637 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 638 | vh->crc32 = crc32c_intel(p, len); |
| 639 | else |
| 640 | vh->crc32 = crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 641 | } |
| 642 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 643 | static void fill_crc64(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_crc64 *vh = hdr_priv(hdr); |
| 646 | |
| 647 | vh->crc64 = crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 648 | } |
| 649 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 650 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 651 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 652 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 653 | struct md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 654 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 655 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 656 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 657 | md5_init(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 658 | md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | /* |
| 662 | * fill body of io_u->buf with random data and add a header with the |
| 663 | * crc32 or md5 sum of that data. |
| 664 | */ |
| 665 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 666 | { |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 667 | struct verify_header *hdr; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 668 | void *p = io_u->buf, *data; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 669 | unsigned int hdr_inc, data_len, header_num = 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 670 | |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 671 | if (td->o.verify == VERIFY_NULL) |
| 672 | return; |
| 673 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 674 | fill_pattern(td, p, io_u->buflen); |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 675 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 676 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 677 | if (td->o.verify_interval) |
| 678 | hdr_inc = td->o.verify_interval; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 679 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 680 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 681 | hdr = p; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 682 | |
| 683 | hdr->fio_magic = FIO_HDR_MAGIC; |
| 684 | hdr->verify_type = td->o.verify; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 685 | hdr->len = hdr_inc; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 686 | data_len = hdr_inc - hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 687 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 688 | data = p + hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 689 | switch (td->o.verify) { |
| 690 | case VERIFY_MD5: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 691 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 692 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 693 | fill_md5(hdr, data, data_len); |
| 694 | break; |
| 695 | case VERIFY_CRC64: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 696 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 697 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 698 | fill_crc64(hdr, data, data_len); |
| 699 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 700 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 701 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 702 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 703 | io_u, hdr->len); |
| 704 | fill_crc32c(hdr, data, data_len); |
| 705 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 706 | case VERIFY_CRC32: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 707 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 708 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 709 | fill_crc32(hdr, data, data_len); |
| 710 | break; |
| 711 | case VERIFY_CRC16: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 712 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 713 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 714 | fill_crc16(hdr, data, data_len); |
| 715 | break; |
| 716 | case VERIFY_CRC7: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 717 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 718 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 719 | fill_crc7(hdr, data, data_len); |
| 720 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 721 | case VERIFY_SHA256: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 722 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 723 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 724 | fill_sha256(hdr, data, data_len); |
| 725 | break; |
| 726 | case VERIFY_SHA512: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 727 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 728 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 729 | fill_sha512(hdr, data, data_len); |
| 730 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 731 | case VERIFY_META: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 732 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 733 | io_u, hdr->len); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 734 | fill_meta(hdr, td, io_u, header_num); |
| 735 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 736 | case VERIFY_SHA1: |
| 737 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 738 | io_u, hdr->len); |
| 739 | fill_sha1(hdr, data, data_len); |
| 740 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 741 | default: |
| 742 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 743 | assert(0); |
| 744 | } |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 745 | if (td->o.verify_offset) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 746 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 747 | header_num++; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 748 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 752 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 753 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 754 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 755 | /* |
| 756 | * this io_u is from a requeue, we already filled the offsets |
| 757 | */ |
| 758 | if (io_u->file) |
| 759 | return 0; |
| 760 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 761 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 762 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 763 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 764 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 765 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 766 | td->io_hist_len--; |
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); |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 769 | td->io_hist_len--; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 770 | flist_del(&ipo->list); |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 771 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 772 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 773 | if (ipo) { |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 774 | io_u->offset = ipo->offset; |
| 775 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 776 | io_u->file = ipo->file; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 777 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 778 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 779 | int r = td_io_open_file(td, io_u->file); |
| 780 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 781 | if (r) { |
| 782 | dprint(FD_VERIFY, "failed file %s open\n", |
| 783 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 784 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 785 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 786 | } |
| 787 | |
| 788 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 789 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 790 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 791 | io_u->xfer_buf = io_u->buf; |
| 792 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 793 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 794 | 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] | 795 | return 0; |
| 796 | } |
| 797 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 798 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 799 | return 1; |
| 800 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 801 | |
| 802 | static void *verify_async_thread(void *data) |
| 803 | { |
| 804 | struct thread_data *td = data; |
| 805 | struct io_u *io_u; |
| 806 | int ret = 0; |
| 807 | |
| 808 | if (td->o.verify_cpumask_set && |
| 809 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 810 | log_err("fio: failed setting verify thread affinity\n"); |
| 811 | goto done; |
| 812 | } |
| 813 | |
| 814 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 815 | FLIST_HEAD(list); |
| 816 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 817 | read_barrier(); |
| 818 | if (td->verify_thread_exit) |
| 819 | break; |
| 820 | |
| 821 | pthread_mutex_lock(&td->io_u_lock); |
| 822 | |
| 823 | while (flist_empty(&td->verify_list) && |
| 824 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 825 | ret = pthread_cond_wait(&td->verify_cond, |
| 826 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 827 | if (ret) { |
| 828 | pthread_mutex_unlock(&td->io_u_lock); |
| 829 | break; |
| 830 | } |
| 831 | } |
| 832 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 833 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 834 | pthread_mutex_unlock(&td->io_u_lock); |
| 835 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 836 | if (flist_empty(&list)) |
| 837 | continue; |
| 838 | |
| 839 | while (!flist_empty(&list)) { |
| 840 | io_u = flist_entry(list.next, struct io_u, list); |
| 841 | flist_del_init(&io_u->list); |
| 842 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 843 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 844 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 845 | if (!ret) |
| 846 | continue; |
| 847 | if (td->o.continue_on_error && |
| 848 | td_non_fatal_error(ret)) { |
| 849 | update_error_count(td, ret); |
| 850 | td_clear_error(td); |
| 851 | ret = 0; |
| 852 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 853 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 854 | } while (!ret); |
| 855 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 856 | if (ret) { |
| 857 | td_verror(td, ret, "async_verify"); |
| 858 | td->terminate = 1; |
| 859 | } |
| 860 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 861 | done: |
| 862 | pthread_mutex_lock(&td->io_u_lock); |
| 863 | td->nr_verify_threads--; |
| 864 | pthread_mutex_unlock(&td->io_u_lock); |
| 865 | |
| 866 | pthread_cond_signal(&td->free_cond); |
| 867 | return NULL; |
| 868 | } |
| 869 | |
| 870 | int verify_async_init(struct thread_data *td) |
| 871 | { |
| 872 | int i, ret; |
| 873 | |
| 874 | td->verify_thread_exit = 0; |
| 875 | |
| 876 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 877 | for (i = 0; i < td->o.verify_async; i++) { |
| 878 | ret = pthread_create(&td->verify_threads[i], NULL, |
| 879 | verify_async_thread, td); |
| 880 | if (ret) { |
| 881 | log_err("fio: async verify creation failed: %s\n", |
| 882 | strerror(ret)); |
| 883 | break; |
| 884 | } |
| 885 | ret = pthread_detach(td->verify_threads[i]); |
| 886 | if (ret) { |
| 887 | log_err("fio: async verify thread detach failed: %s\n", |
| 888 | strerror(ret)); |
| 889 | break; |
| 890 | } |
| 891 | td->nr_verify_threads++; |
| 892 | } |
| 893 | |
| 894 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 895 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 896 | td->verify_thread_exit = 1; |
| 897 | write_barrier(); |
| 898 | pthread_cond_broadcast(&td->verify_cond); |
| 899 | return 1; |
| 900 | } |
| 901 | |
| 902 | return 0; |
| 903 | } |
| 904 | |
| 905 | void verify_async_exit(struct thread_data *td) |
| 906 | { |
| 907 | td->verify_thread_exit = 1; |
| 908 | write_barrier(); |
| 909 | pthread_cond_broadcast(&td->verify_cond); |
| 910 | |
| 911 | pthread_mutex_lock(&td->io_u_lock); |
| 912 | |
| 913 | while (td->nr_verify_threads) |
| 914 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 915 | |
| 916 | pthread_mutex_unlock(&td->io_u_lock); |
| 917 | free(td->verify_threads); |
| 918 | td->verify_threads = NULL; |
| 919 | } |