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 | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 8 | |
| 9 | #include "fio.h" |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 10 | |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 11 | #include "crc/md5.h" |
| 12 | #include "crc/crc64.h" |
| 13 | #include "crc/crc32.h" |
| 14 | #include "crc/crc16.h" |
| 15 | #include "crc/crc7.h" |
| 16 | #include "crc/sha256.h" |
| 17 | #include "crc/sha512.h" |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 18 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 19 | 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] | 20 | { |
| 21 | unsigned int todo; |
Jens Axboe | 4c5946c | 2007-07-26 11:55:10 +0200 | [diff] [blame] | 22 | int r; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 23 | |
| 24 | while (len) { |
Jens Axboe | 4c5946c | 2007-07-26 11:55:10 +0200 | [diff] [blame] | 25 | r = os_random_long(&td->verify_state); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 26 | |
| 27 | /* |
| 28 | * lrand48_r seems to be broken and only fill the bottom |
| 29 | * 32-bits, even on 64-bit archs with 64-bit longs |
| 30 | */ |
| 31 | todo = sizeof(r); |
| 32 | if (todo > len) |
| 33 | todo = len; |
| 34 | |
| 35 | memcpy(p, &r, todo); |
| 36 | |
| 37 | len -= todo; |
| 38 | p += todo; |
| 39 | } |
| 40 | } |
| 41 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 42 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
| 43 | { |
| 44 | switch (td->o.verify_pattern_bytes) { |
| 45 | case 0: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 46 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 47 | fill_random_bytes(td, p, len); |
| 48 | break; |
| 49 | case 1: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 50 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 51 | memset(p, td->o.verify_pattern, len); |
| 52 | break; |
| 53 | case 2: |
| 54 | case 3: |
| 55 | case 4: { |
| 56 | unsigned int pattern = td->o.verify_pattern; |
| 57 | unsigned int i = 0; |
| 58 | unsigned char c1, c2, c3, c4; |
| 59 | unsigned char *b = p; |
| 60 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 61 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 62 | td->o.verify_pattern_bytes, len); |
| 63 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 64 | c1 = pattern & 0xff; |
| 65 | pattern >>= 8; |
| 66 | c2 = pattern & 0xff; |
| 67 | pattern >>= 8; |
| 68 | c3 = pattern & 0xff; |
| 69 | pattern >>= 8; |
| 70 | c4 = pattern & 0xff; |
| 71 | |
| 72 | while (i < len) { |
| 73 | b[i++] = c1; |
| 74 | if (i == len) |
| 75 | break; |
| 76 | b[i++] = c2; |
| 77 | if (td->o.verify_pattern_bytes == 2 || i == len) |
| 78 | continue; |
| 79 | b[i++] = c3; |
| 80 | if (td->o.verify_pattern_bytes == 3 || i == len) |
| 81 | continue; |
| 82 | b[i++] = c4; |
| 83 | } |
| 84 | break; |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 89 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 90 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 91 | char swap[200]; |
| 92 | |
| 93 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 94 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 95 | memcpy(&swap, buf1, len); |
| 96 | memcpy(buf1, buf2, len); |
| 97 | memcpy(buf2, &swap, len); |
| 98 | } |
| 99 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 100 | static void hexdump(void *buffer, int len) |
| 101 | { |
| 102 | unsigned char *p = buffer; |
| 103 | int i; |
| 104 | |
| 105 | for (i = 0; i < len; i++) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 106 | log_info("%02x", p[i]); |
| 107 | log_info("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 108 | } |
| 109 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 110 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 111 | * Prepare for seperation of verify_header and checksum header |
| 112 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 113 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 114 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 115 | unsigned int len; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 116 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 117 | switch (verify_type) { |
| 118 | case VERIFY_NONE: |
| 119 | case VERIFY_NULL: |
| 120 | len = 0; |
| 121 | break; |
| 122 | case VERIFY_MD5: |
| 123 | len = sizeof(struct vhdr_md5); |
| 124 | break; |
| 125 | case VERIFY_CRC64: |
| 126 | len = sizeof(struct vhdr_crc64); |
| 127 | break; |
| 128 | case VERIFY_CRC32: |
| 129 | len = sizeof(struct vhdr_crc32); |
| 130 | break; |
| 131 | case VERIFY_CRC16: |
| 132 | len = sizeof(struct vhdr_crc16); |
| 133 | break; |
| 134 | case VERIFY_CRC7: |
| 135 | len = sizeof(struct vhdr_crc7); |
| 136 | break; |
| 137 | case VERIFY_SHA256: |
| 138 | len = sizeof(struct vhdr_sha256); |
| 139 | break; |
| 140 | case VERIFY_SHA512: |
| 141 | len = sizeof(struct vhdr_sha512); |
| 142 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 143 | case VERIFY_META: |
| 144 | len = sizeof(struct vhdr_meta); |
| 145 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 146 | default: |
| 147 | log_err("fio: unknown verify header!\n"); |
| 148 | assert(0); |
| 149 | } |
| 150 | |
| 151 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 155 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 156 | return __hdr_size(hdr->verify_type); |
| 157 | } |
| 158 | |
| 159 | static void *hdr_priv(struct verify_header *hdr) |
| 160 | { |
| 161 | void *priv = hdr; |
| 162 | |
| 163 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 167 | * Return data area 'header_num' |
| 168 | */ |
| 169 | static inline void *io_u_verify_off(struct verify_header *hdr, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 170 | struct io_u *io_u, unsigned char header_num) |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 171 | { |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 172 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 173 | } |
| 174 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 175 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 176 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 177 | { |
| 178 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 179 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 180 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 181 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 182 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
| 183 | log_err("meta: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 184 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 185 | return EIO; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | return 0; |
| 189 | } |
| 190 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 191 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
| 192 | unsigned int header_num) |
| 193 | { |
| 194 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 195 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 196 | uint8_t sha512[128]; |
| 197 | struct sha512_ctx sha512_ctx = { |
| 198 | .buf = sha512, |
| 199 | }; |
| 200 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 201 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
| 202 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 203 | sha512_init(&sha512_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 204 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 205 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 206 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 207 | log_err("sha512: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 208 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 209 | hexdump(vh->sha512, sizeof(vh->sha512)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 210 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 211 | return EIO; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, |
| 218 | unsigned int header_num) |
| 219 | { |
| 220 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 221 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 222 | uint8_t sha256[128]; |
| 223 | struct sha256_ctx sha256_ctx = { |
| 224 | .buf = sha256, |
| 225 | }; |
| 226 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 227 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
| 228 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 229 | sha256_init(&sha256_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 230 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 231 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 232 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 233 | log_err("sha256: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 234 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 235 | hexdump(vh->sha256, sizeof(vh->sha256)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 236 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 237 | return EIO; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | return 0; |
| 241 | } |
| 242 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 243 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 244 | unsigned char header_num) |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 245 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 246 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 247 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 248 | unsigned char c; |
| 249 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 250 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
| 251 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 252 | c = crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 253 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 254 | if (c != vh->crc7) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 255 | log_err("crc7: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 256 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 257 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 258 | return EIO; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | return 0; |
| 262 | } |
| 263 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 264 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 265 | unsigned int header_num) |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 266 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 267 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 268 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 269 | unsigned short c; |
| 270 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 271 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
| 272 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 273 | c = crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 274 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 275 | if (c != vh->crc16) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 276 | log_err("crc16: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 277 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 278 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 279 | return EIO; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | return 0; |
| 283 | } |
| 284 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 285 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 286 | unsigned int header_num) |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 287 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 288 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 289 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 290 | unsigned long long c; |
| 291 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 292 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
| 293 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 294 | c = crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 295 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 296 | if (c != vh->crc64) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 297 | log_err("crc64: verify failed at %llu/%u\n", |
| 298 | io_u->offset + header_num * hdr->len, |
| 299 | hdr->len); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 300 | log_err("crc64: wanted %llx, got %llx\n", |
| 301 | (unsigned long long) vh->crc64, c); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 302 | return EIO; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 308 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 309 | unsigned int header_num) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 310 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 311 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 312 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 313 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 314 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 315 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
| 316 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 317 | c = crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 318 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 319 | if (c != vh->crc32) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 320 | log_err("crc32: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 321 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 322 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 323 | return EIO; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | return 0; |
| 327 | } |
| 328 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 329 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 330 | unsigned int header_num) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 331 | { |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 332 | void *p = io_u_verify_off(hdr, io_u, header_num); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 333 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 334 | uint32_t hash[MD5_HASH_WORDS]; |
| 335 | struct md5_ctx md5_ctx = { |
| 336 | .hash = hash, |
| 337 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 338 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 339 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
| 340 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 341 | md5_init(&md5_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 342 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 343 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 344 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 345 | log_err("md5: verify failed at %llu/%u\n", |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 346 | io_u->offset + header_num * hdr->len, hdr->len); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 347 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 348 | hexdump(md5_ctx.hash, sizeof(hash)); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 349 | return EIO; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | return 0; |
| 353 | } |
| 354 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 355 | static unsigned int hweight8(unsigned int w) |
| 356 | { |
| 357 | unsigned int res = w - ((w >> 1) & 0x55); |
| 358 | |
| 359 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 360 | return (res + (res >> 4)) & 0x0F; |
| 361 | } |
| 362 | |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 363 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 364 | char *buf, unsigned int len, unsigned int mod) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 365 | { |
| 366 | unsigned int i; |
| 367 | char split_pattern[4]; |
| 368 | |
| 369 | for (i = 0; i < 4; i++) { |
| 370 | split_pattern[i] = pattern & 0xff; |
| 371 | pattern >>= 8; |
| 372 | } |
| 373 | |
| 374 | for (i = 0; i < len; i++) { |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 375 | if (buf[i] != split_pattern[mod]) { |
| 376 | unsigned int bits; |
| 377 | |
| 378 | bits = hweight8(buf[i] ^ split_pattern[mod]); |
| 379 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 380 | buf[i], split_pattern[mod], bits); |
| 381 | log_err("fio: bad pattern block offset %u\n", i); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 382 | return EIO; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 383 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 384 | mod++; |
| 385 | if (mod == pattern_size) |
| 386 | mod = 0; |
| 387 | } |
| 388 | |
| 389 | return 0; |
| 390 | } |
| 391 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 392 | 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] | 393 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 394 | struct verify_header *hdr; |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 395 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 396 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 397 | int ret; |
| 398 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 399 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 400 | return 0; |
| 401 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 402 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 403 | if (td->o.verify_interval) |
| 404 | hdr_inc = td->o.verify_interval; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 405 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 406 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 407 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 408 | p += hdr_inc, hdr_num++) { |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 409 | if (ret && td->o.verify_fatal) { |
| 410 | td->terminate = 1; |
| 411 | break; |
| 412 | } |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 413 | hdr_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 414 | if (td->o.verify_offset) |
Shawn Lewis | a944e33 | 2007-08-02 22:18:29 +0200 | [diff] [blame] | 415 | memswp(p, p + td->o.verify_offset, hdr_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 416 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 417 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 418 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
| 419 | log_err("Bad verify header %x\n", hdr->fio_magic); |
| 420 | return EIO; |
| 421 | } |
| 422 | |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 423 | if (td->o.verify_pattern_bytes) { |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 424 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
| 425 | io_u, hdr->len); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 426 | ret = verify_io_u_pattern(td->o.verify_pattern, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 427 | td->o.verify_pattern_bytes, |
| 428 | p + hdr_size, |
| 429 | hdr_inc - hdr_size, |
| 430 | hdr_size % 4); |
Shawn Lewis | e28218f | 2008-01-16 11:01:33 +0100 | [diff] [blame] | 431 | if (ret) |
| 432 | log_err("fio: verify failed at %llu/%u\n", |
| 433 | io_u->offset + hdr_num * hdr->len, |
| 434 | hdr->len); |
| 435 | continue; |
| 436 | } |
| 437 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 438 | switch (hdr->verify_type) { |
| 439 | case VERIFY_MD5: |
| 440 | ret = verify_io_u_md5(hdr, io_u, hdr_num); |
| 441 | break; |
| 442 | case VERIFY_CRC64: |
| 443 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); |
| 444 | break; |
| 445 | case VERIFY_CRC32: |
| 446 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); |
| 447 | break; |
| 448 | case VERIFY_CRC16: |
| 449 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); |
| 450 | break; |
| 451 | case VERIFY_CRC7: |
| 452 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); |
| 453 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 454 | case VERIFY_SHA256: |
| 455 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); |
| 456 | break; |
| 457 | case VERIFY_SHA512: |
| 458 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); |
| 459 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 460 | case VERIFY_META: |
| 461 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); |
| 462 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 463 | default: |
| 464 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 465 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 466 | } |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 467 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 468 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 469 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 470 | } |
| 471 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 472 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 473 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 474 | { |
| 475 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 476 | |
| 477 | vh->thread = td->thread_number; |
| 478 | |
| 479 | vh->time_sec = io_u->start_time.tv_sec; |
| 480 | vh->time_usec = io_u->start_time.tv_usec; |
| 481 | |
| 482 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 483 | |
| 484 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 485 | } |
| 486 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 487 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 488 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 489 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 490 | struct sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 491 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 492 | }; |
| 493 | |
| 494 | sha512_init(&sha512_ctx); |
| 495 | sha512_update(&sha512_ctx, p, len); |
| 496 | } |
| 497 | |
| 498 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 499 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 500 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 501 | struct sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 502 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 503 | }; |
| 504 | |
| 505 | sha256_init(&sha256_ctx); |
| 506 | sha256_update(&sha256_ctx, p, len); |
| 507 | } |
| 508 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 509 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 510 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 511 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 512 | |
| 513 | vh->crc7 = crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 514 | } |
| 515 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 516 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 517 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 518 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 519 | |
| 520 | vh->crc16 = crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 521 | } |
| 522 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 523 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 524 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 525 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 526 | |
| 527 | vh->crc32 = crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 528 | } |
| 529 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 530 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 531 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 532 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 533 | |
| 534 | vh->crc64 = crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 535 | } |
| 536 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 537 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 538 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 539 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 540 | struct md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 541 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 542 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 543 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 544 | md5_init(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 545 | md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | /* |
| 549 | * fill body of io_u->buf with random data and add a header with the |
| 550 | * crc32 or md5 sum of that data. |
| 551 | */ |
| 552 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 553 | { |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 554 | struct verify_header *hdr; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 555 | void *p = io_u->buf, *data; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 556 | unsigned int hdr_inc, data_len, header_num = 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 557 | |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 558 | if (td->o.verify == VERIFY_NULL) |
| 559 | return; |
| 560 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 561 | fill_pattern(td, p, io_u->buflen); |
Jens Axboe | baefa9b | 2007-07-27 12:57:25 +0200 | [diff] [blame] | 562 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 563 | hdr_inc = io_u->buflen; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 564 | if (td->o.verify_interval) |
| 565 | hdr_inc = td->o.verify_interval; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 566 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame^] | 567 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 568 | hdr = p; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 569 | |
| 570 | hdr->fio_magic = FIO_HDR_MAGIC; |
| 571 | hdr->verify_type = td->o.verify; |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 572 | hdr->len = hdr_inc; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 573 | data_len = hdr_inc - hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 574 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 575 | data = p + hdr_size(hdr); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 576 | switch (td->o.verify) { |
| 577 | case VERIFY_MD5: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 578 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 579 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 580 | fill_md5(hdr, data, data_len); |
| 581 | break; |
| 582 | case VERIFY_CRC64: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 583 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 584 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 585 | fill_crc64(hdr, data, data_len); |
| 586 | break; |
| 587 | case VERIFY_CRC32: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 588 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 589 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 590 | fill_crc32(hdr, data, data_len); |
| 591 | break; |
| 592 | case VERIFY_CRC16: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 593 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 594 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 595 | fill_crc16(hdr, data, data_len); |
| 596 | break; |
| 597 | case VERIFY_CRC7: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 598 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 599 | io_u, hdr->len); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 600 | fill_crc7(hdr, data, data_len); |
| 601 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 602 | case VERIFY_SHA256: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 603 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 604 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 605 | fill_sha256(hdr, data, data_len); |
| 606 | break; |
| 607 | case VERIFY_SHA512: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 608 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 609 | io_u, hdr->len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 610 | fill_sha512(hdr, data, data_len); |
| 611 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 612 | case VERIFY_META: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 613 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 614 | io_u, hdr->len); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 615 | fill_meta(hdr, td, io_u, header_num); |
| 616 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 617 | default: |
| 618 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 619 | assert(0); |
| 620 | } |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 621 | if (td->o.verify_offset) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 622 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 623 | header_num++; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 624 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 628 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 629 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 630 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 631 | /* |
| 632 | * this io_u is from a requeue, we already filled the offsets |
| 633 | */ |
| 634 | if (io_u->file) |
| 635 | return 0; |
| 636 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 637 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 638 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 639 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 640 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 641 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 642 | } else if (!list_empty(&td->io_hist_list)) { |
| 643 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); |
| 644 | list_del(&ipo->list); |
| 645 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 646 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 647 | if (ipo) { |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 648 | io_u->offset = ipo->offset; |
| 649 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 650 | io_u->file = ipo->file; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 651 | |
| 652 | if ((io_u->file->flags & FIO_FILE_OPEN) == 0) { |
| 653 | int r = td_io_open_file(td, io_u->file); |
| 654 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 655 | if (r) { |
| 656 | dprint(FD_VERIFY, "failed file %s open\n", |
| 657 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 658 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 659 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | get_file(ipo->file); |
| 663 | assert(io_u->file->flags & FIO_FILE_OPEN); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 664 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 665 | io_u->xfer_buf = io_u->buf; |
| 666 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 667 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 668 | 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] | 669 | return 0; |
| 670 | } |
| 671 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 672 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 673 | return 1; |
| 674 | } |