6 #define FIO_HDR_MAGIC 0xacca
9 VERIFY_NONE = 0, /* no verification */
10 VERIFY_MD5, /* md5 sum data blocks */
11 VERIFY_CRC64, /* crc64 sum data blocks */
12 VERIFY_CRC32, /* crc32 sum data blocks */
13 VERIFY_CRC32C, /* crc32c sum data blocks */
14 VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
15 VERIFY_CRC16, /* crc16 sum data blocks */
16 VERIFY_CRC7, /* crc7 sum data blocks */
17 VERIFY_SHA256, /* sha256 sum data blocks */
18 VERIFY_SHA512, /* sha512 sum data blocks */
19 VERIFY_XXHASH, /* xxhash sum data blocks */
20 VERIFY_META, /* block_num, timestamp etc. */
21 VERIFY_SHA1, /* sha1 sum data blocks */
22 VERIFY_PATTERN, /* verify specific patterns */
23 VERIFY_NULL, /* pretend to verify */
27 * A header structure associated with each checksummed data block. It is
28 * followed by a checksum specific header that contains the verification
31 struct verify_header {
40 uint32_t md5_digest[4];
66 unsigned short numberio;
67 unsigned long time_sec;
68 unsigned long time_usec;
77 extern void populate_verify_io_u(struct thread_data *, struct io_u *);
78 extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
79 extern int __must_check verify_io_u(struct thread_data *, struct io_u *);
80 extern int verify_io_u_async(struct thread_data *, struct io_u *);
81 extern void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed);
82 extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len);
83 extern void fio_verify_init(struct thread_data *td);
86 * Async verify offload
88 extern int verify_async_init(struct thread_data *);
89 extern void verify_async_exit(struct thread_data *);