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#ifndef FIO_DATAPLACEMENT_H
#define FIO_DATAPLACEMENT_H
#include "io_u.h"
#define STREAMS_DIR_DTYPE 1
#define FDP_DIR_DTYPE 2
#define FIO_MAX_DP_IDS 128
#define DP_MAX_SCHEME_ENTRIES 32
/*
* How fio chooses what placement identifier to use next. Choice of
* uniformly random, or roundrobin.
*/
enum {
FIO_DP_RANDOM = 0x1,
FIO_DP_RR = 0x2,
FIO_DP_SCHEME = 0x3,
};
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[];
};
struct fio_ruhs_scheme_entry {
unsigned long long start_offset;
unsigned long long end_offset;
uint16_t pli;
};
struct fio_ruhs_scheme {
uint16_t nr_schemes;
struct fio_ruhs_scheme_entry scheme_entries[DP_MAX_SCHEME_ENTRIES];
};
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 */
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