Home | History | Annotate | Download | only in fio 
      1 #ifndef FIO_VERIFY_H
      2 #define FIO_VERIFY_H
      3 
      4 #include <stdint.h>
      5 #include "verify-state.h"
      6 
      7 #define FIO_HDR_MAGIC	0xacca
      8 
      9 enum {
     10 	VERIFY_NONE = 0,		/* no verification */
     11 	VERIFY_HDR_ONLY,		/* verify header only, kept for sake of
     12 					 * compatibility with old configurations
     13 					 * which use 'verify=meta' */
     14 	VERIFY_MD5,			/* md5 sum data blocks */
     15 	VERIFY_CRC64,			/* crc64 sum data blocks */
     16 	VERIFY_CRC32,			/* crc32 sum data blocks */
     17 	VERIFY_CRC32C,			/* crc32c sum data blocks */
     18 	VERIFY_CRC32C_INTEL,		/* crc32c sum data blocks with hw */
     19 	VERIFY_CRC16,			/* crc16 sum data blocks */
     20 	VERIFY_CRC7,			/* crc7 sum data blocks */
     21 	VERIFY_SHA256,			/* sha256 sum data blocks */
     22 	VERIFY_SHA512,			/* sha512 sum data blocks */
     23 	VERIFY_SHA3_224,		/* sha3-224 sum data blocks */
     24 	VERIFY_SHA3_256,		/* sha3-256 sum data blocks */
     25 	VERIFY_SHA3_384,		/* sha3-384 sum data blocks */
     26 	VERIFY_SHA3_512,		/* sha3-512 sum data blocks */
     27 	VERIFY_XXHASH,			/* xxhash sum data blocks */
     28 	VERIFY_SHA1,			/* sha1 sum data blocks */
     29 	VERIFY_PATTERN,			/* verify specific patterns */
     30 	VERIFY_PATTERN_NO_HDR,		/* verify specific patterns, no hdr */
     31 	VERIFY_NULL,			/* pretend to verify */
     32 };
     33 
     34 /*
     35  * A header structure associated with each checksummed data block. It is
     36  * followed by a checksum specific header that contains the verification
     37  * data.
     38  */
     39 struct verify_header {
     40 	uint16_t magic;
     41 	uint16_t verify_type;
     42 	uint32_t len;
     43 	uint64_t rand_seed;
     44 	uint64_t offset;
     45 	uint32_t time_sec;
     46 	uint32_t time_usec;
     47 	uint16_t thread;
     48 	uint16_t numberio;
     49 	uint32_t crc32;
     50 };
     51 
     52 struct vhdr_md5 {
     53 	uint32_t md5_digest[4];
     54 };
     55 struct vhdr_sha3_224 {
     56 	uint8_t sha[224 / 8];
     57 };
     58 struct vhdr_sha3_256 {
     59 	uint8_t sha[256 / 8];
     60 };
     61 struct vhdr_sha3_384 {
     62 	uint8_t sha[384 / 8];
     63 };
     64 struct vhdr_sha3_512 {
     65 	uint8_t sha[512 / 8];
     66 };
     67 struct vhdr_sha512 {
     68 	uint8_t sha512[128];
     69 };
     70 struct vhdr_sha256 {
     71 	uint8_t sha256[64];
     72 };
     73 struct vhdr_sha1 {
     74 	uint32_t sha1[5];
     75 };
     76 struct vhdr_crc64 {
     77 	uint64_t crc64;
     78 };
     79 struct vhdr_crc32 {
     80 	uint32_t crc32;
     81 };
     82 struct vhdr_crc16 {
     83 	uint16_t crc16;
     84 };
     85 struct vhdr_crc7 {
     86 	uint8_t crc7;
     87 };
     88 struct vhdr_xxhash {
     89 	uint32_t hash;
     90 };
     91 
     92 /*
     93  * Verify helpers
     94  */
     95 extern void populate_verify_io_u(struct thread_data *, struct io_u *);
     96 extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
     97 extern int __must_check verify_io_u(struct thread_data *, struct io_u **);
     98 extern int verify_io_u_async(struct thread_data *, struct io_u **);
     99 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);
    100 extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len);
    101 extern void fio_verify_init(struct thread_data *td);
    102 
    103 /*
    104  * Async verify offload
    105  */
    106 extern int verify_async_init(struct thread_data *);
    107 extern void verify_async_exit(struct thread_data *);
    108 
    109 /*
    110  * Callbacks for pasting formats in the pattern buffer
    111  */
    112 extern int paste_blockoff(char *buf, unsigned int len, void *priv);
    113 
    114 #endif
    115