[fio.git] / verify.h

#ifndef FIO_VERIFY_H
#define FIO_VERIFY_H

#include <stdint.h>
#include "verify-state.h"

#define FIO_HDR_MAGIC	0xacca

enum {
	VERIFY_NONE = 0,		/* no verification */
	VERIFY_HDR_ONLY,		/* verify header only, kept for sake of
					 * compatibility with old configurations
					 * which use 'verify=meta' */
	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_ARM64,		/* crc32c sum data blocks with hw */
	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_SHA1,			/* sha1 sum data blocks */
	VERIFY_PATTERN,			/* verify specific patterns */
	VERIFY_PATTERN_NO_HDR,		/* verify specific patterns, no hdr */
	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;
	uint64_t offset;
	uint32_t time_sec;
	uint32_t time_usec;
	uint16_t thread;
	uint16_t numberio;
	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_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 *);

/*
 * Callbacks for pasting formats in the pattern buffer
 */
extern int paste_blockoff(char *buf, unsigned int len, void *priv);

#endif
Commit	Line	Data
	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_ARM64, /* crc32c sum data blocks with hw */
	19	VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */
	20	VERIFY_CRC16, /* crc16 sum data blocks */
	21	VERIFY_CRC7, /* crc7 sum data blocks */
	22	VERIFY_SHA256, /* sha256 sum data blocks */
	23	VERIFY_SHA512, /* sha512 sum data blocks */
	24	VERIFY_XXHASH, /* xxhash sum data blocks */
	25	VERIFY_SHA1, /* sha1 sum data blocks */
	26	VERIFY_PATTERN, /* verify specific patterns */
	27	VERIFY_PATTERN_NO_HDR, /* verify specific patterns, no hdr */
	28	VERIFY_NULL, /* pretend to verify */
	29	};
	30
	31	/*
	32	* A header structure associated with each checksummed data block. It is
	33	* followed by a checksum specific header that contains the verification
	34	* data.
	35	*/
	36	struct verify_header {
	37	uint16_t magic;
	38	uint16_t verify_type;
	39	uint32_t len;
	40	uint64_t rand_seed;
	41	uint64_t offset;
	42	uint32_t time_sec;
	43	uint32_t time_usec;
	44	uint16_t thread;
	45	uint16_t numberio;
	46	uint32_t crc32;
	47	};
	48
	49	struct vhdr_md5 {
	50	uint32_t md5_digest[4];
	51	};
	52	struct vhdr_sha512 {
	53	uint8_t sha512[128];
	54	};
	55	struct vhdr_sha256 {
	56	uint8_t sha256[64];
	57	};
	58	struct vhdr_sha1 {
	59	uint32_t sha1[5];
	60	};
	61	struct vhdr_crc64 {
	62	uint64_t crc64;
	63	};
	64	struct vhdr_crc32 {
	65	uint32_t crc32;
	66	};
	67	struct vhdr_crc16 {
	68	uint16_t crc16;
	69	};
	70	struct vhdr_crc7 {
	71	uint8_t crc7;
	72	};
	73	struct vhdr_xxhash {
	74	uint32_t hash;
	75	};
	76
	77	/*
	78	* Verify helpers
	79	*/
	80	extern void populate_verify_io_u(struct thread_data , struct io_u );
	81	extern int __must_check get_next_verify(struct thread_data td, struct io_u );
	82	extern int __must_check verify_io_u(struct thread_data , struct io_u *);
	83	extern int verify_io_u_async(struct thread_data , struct io_u *);
	84	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);
	85	extern void fill_buffer_pattern(struct thread_data td, void p, unsigned int len);
	86	extern void fio_verify_init(struct thread_data *td);
	87
	88	/*
	89	* Async verify offload
	90	*/
	91	extern int verify_async_init(struct thread_data *);
	92	extern void verify_async_exit(struct thread_data *);
	93
	94	/*
	95	* Callbacks for pasting formats in the pattern buffer
	96	*/
	97	extern int paste_blockoff(char buf, unsigned int len, void priv);
	98
	99	#endif