[fio.git] / verify.h

#ifndef FIO_VERIFY_H
#define FIO_VERIFY_H

#include <stdint.h>

#define FIO_HDR_MAGIC	0xf00baaef
#define FIO_HDR_MAGIC2	0xf00dbeef

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_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 {
	uint32_t fio_magic;
	uint32_t len;
	uint32_t verify_type;
	uint32_t pad1;
	uint64_t rand_seed;
	uint32_t pad2;
	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;
};

/*
 * 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_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed);

/*
 * 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 0xf00baaef
	7	#define FIO_HDR_MAGIC2 0xf00dbeef
	8
	9	enum {
	10	VERIFY_NONE = 0, /* no verification */
	11	VERIFY_MD5, /* md5 sum data blocks */
	12	VERIFY_CRC64, /* crc64 sum data blocks */
	13	VERIFY_CRC32, /* crc32 sum data blocks */
	14	VERIFY_CRC32C, /* crc32c sum data blocks */
	15	VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
	16	VERIFY_CRC16, /* crc16 sum data blocks */
	17	VERIFY_CRC7, /* crc7 sum data blocks */
	18	VERIFY_SHA256, /* sha256 sum data blocks */
	19	VERIFY_SHA512, /* sha512 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	uint32_t fio_magic;
	33	uint32_t len;
	34	uint32_t verify_type;
	35	uint32_t pad1;
	36	uint64_t rand_seed;
	37	uint32_t pad2;
	38	uint32_t crc32;
	39	};
	40
	41	struct vhdr_md5 {
	42	uint32_t md5_digest[4];
	43	};
	44	struct vhdr_sha512 {
	45	uint8_t sha512[128];
	46	};
	47	struct vhdr_sha256 {
	48	uint8_t sha256[64];
	49	};
	50	struct vhdr_sha1 {
	51	uint32_t sha1[5];
	52	};
	53	struct vhdr_crc64 {
	54	uint64_t crc64;
	55	};
	56	struct vhdr_crc32 {
	57	uint32_t crc32;
	58	};
	59	struct vhdr_crc16 {
	60	uint16_t crc16;
	61	};
	62	struct vhdr_crc7 {
	63	uint8_t crc7;
	64	};
	65	struct vhdr_meta {
	66	uint64_t offset;
	67	unsigned char thread;
	68	unsigned short numberio;
	69	unsigned long time_sec;
	70	unsigned long time_usec;
	71	};
	72
	73	/*
	74	* Verify helpers
	75	*/
	76	extern void populate_verify_io_u(struct thread_data , struct io_u );
	77	extern int __must_check get_next_verify(struct thread_data td, struct io_u );
	78	extern int __must_check verify_io_u(struct thread_data , struct io_u );
	79	extern int verify_io_u_async(struct thread_data , struct io_u );
	80	extern void fill_pattern(struct thread_data td, void p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed);
	81
	82	/*
	83	* Async verify offload
	84	*/
	85	extern int verify_async_init(struct thread_data *);
	86	extern void verify_async_exit(struct thread_data *);
	87
	88	#endif