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