[fio.git] / verify.h

#ifndef FIO_VERIFY_H
#define FIO_VERIFY_H

#define FIO_HDR_MAGIC	0xf00baaef

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_META,			/* block_num, timestamp etc. */
	VERIFY_SHA1,			/* sha1 sum data blocks */
	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 {
	unsigned int fio_magic;
	unsigned int len;
	unsigned int verify_type;
};

struct vhdr_md5 {
	uint32_t md5_digest[16];
};
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;
};

/*
 * 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 *);

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

#endif
Commit	Line	Data
4f5af7b2 JA	1	#ifndef FIO_VERIFY_H
	2	#define FIO_VERIFY_H
	3
	4	#define FIO_HDR_MAGIC 0xf00baaef
	5
	6	enum {
	7	VERIFY_NONE = 0, /* no verification */
	8	VERIFY_MD5, /* md5 sum data blocks */
	9	VERIFY_CRC64, /* crc64 sum data blocks */
	10	VERIFY_CRC32, /* crc32 sum data blocks */
	11	VERIFY_CRC32C, /* crc32c sum data blocks */
	12	VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
	13	VERIFY_CRC16, /* crc16 sum data blocks */
	14	VERIFY_CRC7, /* crc7 sum data blocks */
	15	VERIFY_SHA256, /* sha256 sum data blocks */
	16	VERIFY_SHA512, /* sha512 sum data blocks */
	17	VERIFY_META, /* block_num, timestamp etc. */
7c353ceb	18	VERIFY_SHA1, /* sha1 sum data blocks */
4f5af7b2 JA	19	VERIFY_NULL, /* pretend to verify */
	20	};
	21
	22	/*
	23	* A header structure associated with each checksummed data block. It is
	24	* followed by a checksum specific header that contains the verification
	25	* data.
	26	*/
	27	struct verify_header {
	28	unsigned int fio_magic;
	29	unsigned int len;
	30	unsigned int verify_type;
	31	};
	32
	33	struct vhdr_md5 {
	34	uint32_t md5_digest[16];
	35	};
	36	struct vhdr_sha512 {
	37	uint8_t sha512[128];
	38	};
	39	struct vhdr_sha256 {
bc77f56f	40	uint8_t sha256[64];
4f5af7b2	41	};
7c353ceb JA	42	struct vhdr_sha1 {
	43	uint32_t sha1[5];
	44	};
4f5af7b2 JA	45	struct vhdr_crc64 {
	46	uint64_t crc64;
	47	};
	48	struct vhdr_crc32 {
	49	uint32_t crc32;
	50	};
	51	struct vhdr_crc16 {
	52	uint16_t crc16;
	53	};
	54	struct vhdr_crc7 {
	55	uint8_t crc7;
	56	};
	57	struct vhdr_meta {
	58	uint64_t offset;
	59	unsigned char thread;
	60	unsigned short numberio;
	61	unsigned long time_sec;
	62	unsigned long time_usec;
	63	};
	64
	65	/*
	66	* Verify helpers
	67	*/
	68	extern void populate_verify_io_u(struct thread_data , struct io_u );
	69	extern int __must_check get_next_verify(struct thread_data td, struct io_u );
	70	extern int __must_check verify_io_u(struct thread_data , struct io_u );
e8462bd8 JA	71	extern int verify_io_u_async(struct thread_data , struct io_u );
	72
	73	/*
	74	* Async verify offload
	75	*/
	76	extern int verify_async_init(struct thread_data *);
	77	extern void verify_async_exit(struct thread_data *);
4f5af7b2 JA	78
4f5af7b2 JA	79	#endif