[fio.git] / verify.h

#ifndef FIO_VERIFY_H
#define FIO_VERIFY_H

#include <stdint.h>

#define FIO_HDR_MAGIC	0xacca

enum {
	VERIFY_NONE = 0,		/* no verification */
	VERIFY_MD5,			/* md5 sum data blocks */
	VERIFY_CRC64,			/* crc64 sum data blocks */
	VERIFY_CRC32,			/* crc32 sum data blocks */
	VERIFY_CRC32C,			/* crc32c sum data blocks */
	VERIFY_CRC32C_INTEL,		/* crc32c sum data blocks with hw */
	VERIFY_CRC16,			/* crc16 sum data blocks */
	VERIFY_CRC7,			/* crc7 sum data blocks */
	VERIFY_SHA256,			/* sha256 sum data blocks */
	VERIFY_SHA512,			/* sha512 sum data blocks */
	VERIFY_XXHASH,			/* xxhash sum data blocks */
	VERIFY_META,			/* block_num, timestamp etc. */
	VERIFY_SHA1,			/* sha1 sum data blocks */
	VERIFY_PATTERN,			/* verify specific patterns */
	VERIFY_NULL,			/* pretend to verify */
};

/*
 * A header structure associated with each checksummed data block. It is
 * followed by a checksum specific header that contains the verification
 * data.
 */
struct verify_header {
	uint16_t magic;
	uint16_t verify_type;
	uint32_t len;
	uint64_t rand_seed;
	uint32_t crc32;
};

struct vhdr_md5 {
	uint32_t md5_digest[4];
};
struct vhdr_sha512 {
	uint8_t sha512[128];
};
struct vhdr_sha256 {
	uint8_t sha256[64];
};
struct vhdr_sha1 {
	uint32_t sha1[5];
};
struct vhdr_crc64 {
	uint64_t crc64;
};
struct vhdr_crc32 {
	uint32_t crc32;
};
struct vhdr_crc16 {
	uint16_t crc16;
};
struct vhdr_crc7 {
	uint8_t crc7;
};
struct vhdr_meta {
	uint64_t offset;
	unsigned char thread;
	unsigned short numberio;
	unsigned long time_sec;
	unsigned long time_usec;
};
struct vhdr_xxhash {
	uint32_t hash;
};

/*
 * Verify helpers
 */
extern void populate_verify_io_u(struct thread_data *, struct io_u *);
extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
extern int __must_check verify_io_u(struct thread_data *, struct io_u **);
extern int verify_io_u_async(struct thread_data *, struct io_u **);
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);
extern void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len);
extern void fio_verify_init(struct thread_data *td);

/*
 * Async verify offload
 */
extern int verify_async_init(struct thread_data *);
extern void verify_async_exit(struct thread_data *);

#endif
Commit	Line	Data
	1	#ifndef FIO_VERIFY_H
	2	#define FIO_VERIFY_H
	3
	4	#include <stdint.h>
	5
	6	#define FIO_HDR_MAGIC 0xacca
	7
	8	enum {
	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 */
	24	};
	25
	26	/*
	27	* A header structure associated with each checksummed data block. It is
	28	* followed by a checksum specific header that contains the verification
	29	* data.
	30	*/
	31	struct verify_header {
	32	uint16_t magic;
	33	uint16_t verify_type;
	34	uint32_t len;
	35	uint64_t rand_seed;
	36	uint32_t crc32;
	37	};
	38
	39	struct vhdr_md5 {
	40	uint32_t md5_digest[4];
	41	};
	42	struct vhdr_sha512 {
	43	uint8_t sha512[128];
	44	};
	45	struct vhdr_sha256 {
	46	uint8_t sha256[64];
	47	};
	48	struct vhdr_sha1 {
	49	uint32_t sha1[5];
	50	};
	51	struct vhdr_crc64 {
	52	uint64_t crc64;
	53	};
	54	struct vhdr_crc32 {
	55	uint32_t crc32;
	56	};
	57	struct vhdr_crc16 {
	58	uint16_t crc16;
	59	};
	60	struct vhdr_crc7 {
	61	uint8_t crc7;
	62	};
	63	struct vhdr_meta {
	64	uint64_t offset;
	65	unsigned char thread;
	66	unsigned short numberio;
	67	unsigned long time_sec;
	68	unsigned long time_usec;
	69	};
	70	struct vhdr_xxhash {
	71	uint32_t hash;
	72	};
	73
	74	/*
	75	* Verify helpers
	76	*/
	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);
	84
	85	/*
	86	* Async verify offload
	87	*/
	88	extern int verify_async_init(struct thread_data *);
	89	extern void verify_async_exit(struct thread_data *);
	90
	91	#endif