[fio.git] / dataplacement.h

#ifndef FIO_DATAPLACEMENT_H
#define FIO_DATAPLACEMENT_H

#include "io_u.h"

#define STREAMS_DIR_DTYPE	1
#define FDP_DIR_DTYPE		2
#define FDP_MAX_RUHS		128
#define FIO_MAX_DP_IDS 		16

/*
 * How fio chooses what placement identifier to use next. Choice of
 * uniformly random, or roundrobin.
 */
enum {
	FIO_DP_RANDOM	= 0x1,
	FIO_DP_RR	= 0x2,
};


enum {
	FIO_DP_NONE	= 0x0,
	FIO_DP_FDP	= 0x1,
	FIO_DP_STREAMS	= 0x2,
};

struct fio_ruhs_info {
	uint32_t nr_ruhs;
	uint32_t pli_loc;
	uint16_t plis[];
};

int dp_init(struct thread_data *td);
void fdp_free_ruhs_info(struct fio_file *f);
void dp_fill_dspec_data(struct thread_data *td, struct io_u *io_u);

#endif /* FIO_DATAPLACEMENT_H */
Commit	Line	Data
c60d54ae VF	1	#ifndef FIO_DATAPLACEMENT_H
c60d54ae VF	2	#define FIO_DATAPLACEMENT_H
a7e8aae0 KB	3
	4	#include "io_u.h"
	5
1a3a21b7 VF	6	#define STREAMS_DIR_DTYPE 1
	7	#define FDP_DIR_DTYPE 2
	8	#define FDP_MAX_RUHS 128
	9	#define FIO_MAX_DP_IDS 16
98cd3c0e	10
d3e310c5 AK	11	/*
	12	* How fio chooses what placement identifier to use next. Choice of
	13	* uniformly random, or roundrobin.
	14	*/
65ca6791 VF	15	enum {
	16	FIO_DP_RANDOM = 0x1,
	17	FIO_DP_RR = 0x2,
	18	};
	19
d3e310c5 AK	20
d3e310c5 AK	21	enum {
65ca6791 VF	22	FIO_DP_NONE = 0x0,
	23	FIO_DP_FDP = 0x1,
	24	FIO_DP_STREAMS = 0x2,
d3e310c5 AK	25	};
d3e310c5 AK	26
a7e8aae0 KB	27	struct fio_ruhs_info {
	28	uint32_t nr_ruhs;
	29	uint32_t pli_loc;
	30	uint16_t plis[];
	31	};
	32
c60d54ae	33	int dp_init(struct thread_data *td);
a7e8aae0	34	void fdp_free_ruhs_info(struct fio_file *f);
c60d54ae	35	void dp_fill_dspec_data(struct thread_data td, struct io_u io_u);
a7e8aae0	36
c60d54ae	37	#endif /* FIO_DATAPLACEMENT_H */