[fio.git] / verify-state.h

#ifndef FIO_VERIFY_STATE_H
#define FIO_VERIFY_STATE_H

#include <stdint.h>

struct thread_rand32_state {
	uint32_t s[4];
};

struct thread_rand64_state {
	uint64_t s[6];
};

struct thread_rand_state {
	uint64_t use64;
	union {
		struct thread_rand32_state state32;
		struct thread_rand64_state state64;
	};
};

/*
 * For dumping current write state
 */
struct file_comp {
	uint64_t fileno;
	uint64_t offset;
};

struct thread_io_list {
	uint64_t no_comps;
	uint32_t depth;
	uint32_t nofiles;
	uint64_t numberio;
	uint64_t index;
	struct thread_rand_state rand;
	uint8_t name[64];
	struct file_comp comps[0];
};

struct all_io_list {
	uint64_t threads;
	struct thread_io_list state[0];
};

#define VSTATE_HDR_VERSION	0x03

struct verify_state_hdr {
	uint64_t version;
	uint64_t size;
	uint64_t crc;
};

#define IO_LIST_ALL		0xffffffff

struct io_u;
extern struct all_io_list *get_all_io_list(int, size_t *);
extern void __verify_save_state(struct all_io_list *, const char *);
extern void verify_save_state(int mask);
extern int verify_load_state(struct thread_data *, const char *);
extern void verify_free_state(struct thread_data *);
extern int verify_state_should_stop(struct thread_data *, struct io_u *);
extern void verify_assign_state(struct thread_data *, void *);
extern int verify_state_hdr(struct verify_state_hdr *, struct thread_io_list *);

static inline size_t __thread_io_list_sz(uint32_t depth, uint32_t nofiles)
{
	return sizeof(struct thread_io_list) + depth * nofiles * sizeof(struct file_comp);
}

static inline size_t thread_io_list_sz(struct thread_io_list *s)
{
	return __thread_io_list_sz(le32_to_cpu(s->depth), le32_to_cpu(s->nofiles));
}

static inline struct thread_io_list *io_list_next(struct thread_io_list *s)
{
	return (void *) s + thread_io_list_sz(s);
}

static inline void verify_state_gen_name(char *out, size_t size,
					 const char *name, const char *prefix,
					 int num)
{
	snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num);
	out[size - 1] = '\0';
}

#endif
Commit	Line	Data
	1	#ifndef FIO_VERIFY_STATE_H
	2	#define FIO_VERIFY_STATE_H
	3
	4	#include <stdint.h>
	5
	6	struct thread_rand32_state {
	7	uint32_t s[4];
	8	};
	9
	10	struct thread_rand64_state {
	11	uint64_t s[6];
	12	};
	13
	14	struct thread_rand_state {
	15	uint64_t use64;
	16	union {
	17	struct thread_rand32_state state32;
	18	struct thread_rand64_state state64;
	19	};
	20	};
	21
	22	/*
	23	* For dumping current write state
	24	*/
	25	struct file_comp {
	26	uint64_t fileno;
	27	uint64_t offset;
	28	};
	29
	30	struct thread_io_list {
	31	uint64_t no_comps;
	32	uint32_t depth;
	33	uint32_t nofiles;
	34	uint64_t numberio;
	35	uint64_t index;
	36	struct thread_rand_state rand;
	37	uint8_t name[64];
	38	struct file_comp comps[0];
	39	};
	40
	41	struct all_io_list {
	42	uint64_t threads;
	43	struct thread_io_list state[0];
	44	};
	45
	46	#define VSTATE_HDR_VERSION 0x03
	47
	48	struct verify_state_hdr {
	49	uint64_t version;
	50	uint64_t size;
	51	uint64_t crc;
	52	};
	53
	54	#define IO_LIST_ALL 0xffffffff
	55
	56	struct io_u;
	57	extern struct all_io_list get_all_io_list(int, size_t );
	58	extern void __verify_save_state(struct all_io_list , const char );
	59	extern void verify_save_state(int mask);
	60	extern int verify_load_state(struct thread_data , const char );
	61	extern void verify_free_state(struct thread_data *);
	62	extern int verify_state_should_stop(struct thread_data , struct io_u );
	63	extern void verify_assign_state(struct thread_data , void );
	64	extern int verify_state_hdr(struct verify_state_hdr , struct thread_io_list );
	65
	66	static inline size_t __thread_io_list_sz(uint32_t depth, uint32_t nofiles)
	67	{
	68	return sizeof(struct thread_io_list) + depth * nofiles * sizeof(struct file_comp);
	69	}
	70
	71	static inline size_t thread_io_list_sz(struct thread_io_list *s)
	72	{
	73	return __thread_io_list_sz(le32_to_cpu(s->depth), le32_to_cpu(s->nofiles));
	74	}
	75
	76	static inline struct thread_io_list io_list_next(struct thread_io_list s)
	77	{
	78	return (void *) s + thread_io_list_sz(s);
	79	}
	80
	81	static inline void verify_state_gen_name(char *out, size_t size,
	82	const char name, const char prefix,
	83	int num)
	84	{
	85	snprintf(out, size, "%s-%s-%d-verify.state", prefix, name, num);
	86	out[size - 1] = '\0';
	87	}
	88
	89	#endif