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bfbdd35b BVA |
1 | /* |
2 | * Copyright (C) 2018 Western Digital Corporation or its affiliates. | |
3 | * | |
4 | * This file is released under the GPL. | |
5 | */ | |
6 | ||
7 | #ifndef FIO_ZBD_H | |
8 | #define FIO_ZBD_H | |
9 | ||
b7694961 DLM |
10 | #include "io_u.h" |
11 | #include "ioengines.h" | |
12 | #include "oslib/blkzoned.h" | |
13 | #include "zbd_types.h" | |
bfbdd35b BVA |
14 | |
15 | struct fio_file; | |
16 | ||
bfbdd35b BVA |
17 | enum io_u_action { |
18 | io_u_accept = 0, | |
19 | io_u_eof = 1, | |
e3be810b | 20 | io_u_completed = 2, |
bfbdd35b BVA |
21 | }; |
22 | ||
23 | /** | |
24 | * struct fio_zone_info - information about a single ZBD zone | |
2c477f4f DLM |
25 | * @start: zone start location (bytes) |
26 | * @wp: zone write pointer location (bytes) | |
236d23a8 | 27 | * @capacity: maximum size usable from the start of a zone (bytes) |
bfbdd35b BVA |
28 | * @mutex: protects the modifiable members in this structure |
29 | * @type: zone type (BLK_ZONE_TYPE_*) | |
30 | * @cond: zone state (BLK_ZONE_COND_*) | |
be7a6bae | 31 | * @has_wp: whether or not this zone can have a valid write pointer |
a4807046 SK |
32 | * @write: whether or not this zone is the write target at this moment. Only |
33 | * relevant if zbd->max_open_zones > 0. | |
bfbdd35b BVA |
34 | * @reset_zone: whether or not this zone should be reset before writing to it |
35 | */ | |
36 | struct fio_zone_info { | |
bfbdd35b BVA |
37 | pthread_mutex_t mutex; |
38 | uint64_t start; | |
39 | uint64_t wp; | |
236d23a8 | 40 | uint64_t capacity; |
b7694961 DLM |
41 | enum zbd_zone_type type:2; |
42 | enum zbd_zone_cond cond:4; | |
be7a6bae | 43 | unsigned int has_wp:1; |
a4807046 | 44 | unsigned int write:1; |
bfbdd35b | 45 | unsigned int reset_zone:1; |
bfbdd35b BVA |
46 | }; |
47 | ||
48 | /** | |
49 | * zoned_block_device_info - zoned block device characteristics | |
50 | * @model: Device model. | |
a4807046 SK |
51 | * @max_write_zones: global limit on the number of sequential write zones which |
52 | * are simultaneously written. A zero value means unlimited zones of | |
53 | * simultaneous writes and that write target zones will not be tracked in | |
54 | * the write_zones array. | |
9e523ef8 SK |
55 | * @max_active_zones: device side limit on the number of sequential write zones |
56 | * in open or closed conditions. A zero value means unlimited number of | |
57 | * zones in the conditions. | |
59b07544 BVA |
58 | * @mutex: Protects the modifiable members in this structure (refcount and |
59 | * num_open_zones). | |
d87d9c6c | 60 | * @zone_size: size of a single zone in bytes. |
d56a6df3 | 61 | * @wp_valid_data_bytes: total size of data in zones with write pointers |
b3e9bd03 SK |
62 | * @write_min_zone: Minimum zone index of all job's write ranges. Inclusive. |
63 | * @write_max_zone: Maximum zone index of all job's write ranges. Exclusive. | |
bfbdd35b BVA |
64 | * @zone_size_log2: log2 of the zone size in bytes if it is a power of 2 or 0 |
65 | * if the zone size is not a power of 2. | |
66 | * @nr_zones: number of zones | |
67 | * @refcount: number of fio files that share this structure | |
a4807046 | 68 | * @num_write_zones: number of write target zones |
a7c2b6fc BVA |
69 | * @write_cnt: Number of writes since the latest zone reset triggered by |
70 | * the zone_reset_frequency fio job parameter. | |
a4807046 | 71 | * @write_zones: zone numbers of write target zones |
bfbdd35b BVA |
72 | * @zone_info: description of the individual zones |
73 | * | |
74 | * Only devices for which all zones have the same size are supported. | |
75 | * Note: if the capacity is not a multiple of the zone size then the last zone | |
76 | * will be smaller than 'zone_size'. | |
77 | */ | |
78 | struct zoned_block_device_info { | |
b7694961 | 79 | enum zbd_zoned_model model; |
a4807046 | 80 | uint32_t max_write_zones; |
9e523ef8 | 81 | uint32_t max_active_zones; |
bfbdd35b BVA |
82 | pthread_mutex_t mutex; |
83 | uint64_t zone_size; | |
d56a6df3 | 84 | uint64_t wp_valid_data_bytes; |
b3e9bd03 SK |
85 | uint32_t write_min_zone; |
86 | uint32_t write_max_zone; | |
bfbdd35b BVA |
87 | uint32_t zone_size_log2; |
88 | uint32_t nr_zones; | |
89 | uint32_t refcount; | |
a4807046 | 90 | uint32_t num_write_zones; |
a7c2b6fc | 91 | uint32_t write_cnt; |
a4807046 | 92 | uint32_t write_zones[ZBD_MAX_WRITE_ZONES]; |
bfbdd35b BVA |
93 | struct fio_zone_info zone_info[0]; |
94 | }; | |
95 | ||
8f39afa7 AD |
96 | int zbd_init_files(struct thread_data *td); |
97 | void zbd_recalc_options_with_zone_granularity(struct thread_data *td); | |
3c1dc34c | 98 | int zbd_setup_files(struct thread_data *td); |
bfbdd35b | 99 | void zbd_free_zone_info(struct fio_file *f); |
bfbdd35b BVA |
100 | void zbd_file_reset(struct thread_data *td, struct fio_file *f); |
101 | bool zbd_unaligned_write(int error_code); | |
4d37720a | 102 | void setup_zbd_zone_mode(struct thread_data *td, struct io_u *io_u); |
c65057f9 SK |
103 | enum fio_ddir zbd_adjust_ddir(struct thread_data *td, struct io_u *io_u, |
104 | enum fio_ddir ddir); | |
bfbdd35b | 105 | enum io_u_action zbd_adjust_block(struct thread_data *td, struct io_u *io_u); |
fd5d733f | 106 | char *zbd_write_status(const struct thread_stat *ts); |
67282020 | 107 | int zbd_do_io_u_trim(struct thread_data *td, struct io_u *io_u); |
8b403508 | 108 | void zbd_log_err(const struct thread_data *td, const struct io_u *io_u); |
d9ed3e63 | 109 | |
3c1dc34c DLM |
110 | static inline void zbd_close_file(struct fio_file *f) |
111 | { | |
112 | if (f->zbd_info) | |
113 | zbd_free_zone_info(f); | |
114 | } | |
115 | ||
b2da58c4 SK |
116 | static inline void zbd_queue_io_u(struct thread_data *td, struct io_u *io_u, |
117 | enum fio_q_status status) | |
d9ed3e63 DLM |
118 | { |
119 | if (io_u->zbd_queue_io) { | |
b2da58c4 | 120 | io_u->zbd_queue_io(td, io_u, status, io_u->error == 0); |
d9ed3e63 DLM |
121 | io_u->zbd_queue_io = NULL; |
122 | } | |
123 | } | |
124 | ||
b2da58c4 | 125 | static inline void zbd_put_io_u(struct thread_data *td, struct io_u *io_u) |
d9ed3e63 DLM |
126 | { |
127 | if (io_u->zbd_put_io) { | |
b2da58c4 | 128 | io_u->zbd_put_io(td, io_u); |
d9ed3e63 DLM |
129 | io_u->zbd_queue_io = NULL; |
130 | io_u->zbd_put_io = NULL; | |
131 | } | |
132 | } | |
133 | ||
bfbdd35b | 134 | #endif /* FIO_ZBD_H */ |