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8ef89e0b TK |
1 | #ifndef FIO_IO_U |
2 | #define FIO_IO_U | |
3 | ||
4 | #include "compiler/compiler.h" | |
5 | #include "os/os.h" | |
8ef89e0b TK |
6 | #include "io_ddir.h" |
7 | #include "debug.h" | |
8 | #include "file.h" | |
9 | #include "workqueue.h" | |
10 | ||
11 | #ifdef CONFIG_LIBAIO | |
12 | #include <libaio.h> | |
13 | #endif | |
8ef89e0b TK |
14 | |
15 | enum { | |
16 | IO_U_F_FREE = 1 << 0, | |
17 | IO_U_F_FLIGHT = 1 << 1, | |
18 | IO_U_F_NO_FILE_PUT = 1 << 2, | |
19 | IO_U_F_IN_CUR_DEPTH = 1 << 3, | |
20 | IO_U_F_BUSY_OK = 1 << 4, | |
21 | IO_U_F_TRIMMED = 1 << 5, | |
22 | IO_U_F_BARRIER = 1 << 6, | |
23 | IO_U_F_VER_LIST = 1 << 7, | |
b2a432bf | 24 | IO_U_F_PRIORITY = 1 << 8, |
8ef89e0b TK |
25 | }; |
26 | ||
27 | /* | |
28 | * The io unit | |
29 | */ | |
30 | struct io_u { | |
8b6a404c VF |
31 | struct timespec start_time; |
32 | struct timespec issue_time; | |
8ef89e0b TK |
33 | |
34 | struct fio_file *file; | |
35 | unsigned int flags; | |
36 | enum fio_ddir ddir; | |
37 | ||
38 | /* | |
39 | * For replay workloads, we may want to account as a different | |
40 | * IO type than what is being submitted. | |
41 | */ | |
42 | enum fio_ddir acct_ddir; | |
43 | ||
44 | /* | |
45 | * Write generation | |
46 | */ | |
47 | unsigned short numberio; | |
48 | ||
49 | /* | |
50 | * Allocated/set buffer and length | |
51 | */ | |
5fff9543 | 52 | unsigned long long buflen; |
4fff54cc JA |
53 | unsigned long long offset; /* is really ->xfer_offset... */ |
54 | unsigned long long verify_offset; /* is really ->offset */ | |
8ef89e0b TK |
55 | void *buf; |
56 | ||
57 | /* | |
58 | * Initial seed for generating the buffer contents | |
59 | */ | |
60 | uint64_t rand_seed; | |
61 | ||
62 | /* | |
63 | * IO engine state, may be different from above when we get | |
64 | * partial transfers / residual data counts | |
65 | */ | |
66 | void *xfer_buf; | |
5fff9543 | 67 | unsigned long long xfer_buflen; |
8ef89e0b TK |
68 | |
69 | /* | |
70 | * Parameter related to pre-filled buffers and | |
71 | * their size to handle variable block sizes. | |
72 | */ | |
5fff9543 | 73 | unsigned long long buf_filled_len; |
8ef89e0b TK |
74 | |
75 | struct io_piece *ipo; | |
76 | ||
daa89913 | 77 | unsigned long long resid; |
8ef89e0b TK |
78 | unsigned int error; |
79 | ||
80 | /* | |
81 | * io engine private data | |
82 | */ | |
83 | union { | |
84 | unsigned int index; | |
85 | unsigned int seen; | |
86 | void *engine_data; | |
87 | }; | |
88 | ||
89 | union { | |
90 | struct flist_head verify_list; | |
91 | struct workqueue_work work; | |
92 | }; | |
93 | ||
99952ca7 | 94 | /* |
d9ed3e63 DLM |
95 | * ZBD mode zbd_queue_io callback: called after engine->queue operation |
96 | * to advance a zone write pointer and eventually unlock the I/O zone. | |
97 | * @q indicates the I/O queue status (busy, queued or completed). | |
98 | * @success == true means that the I/O operation has been queued or | |
99 | * completed successfully. | |
99952ca7 | 100 | */ |
b2da58c4 SK |
101 | void (*zbd_queue_io)(struct thread_data *td, struct io_u *, int q, |
102 | bool success); | |
d9ed3e63 DLM |
103 | |
104 | /* | |
105 | * ZBD mode zbd_put_io callback: called in after completion of an I/O | |
106 | * or commit of an async I/O to unlock the I/O target zone. | |
107 | */ | |
b2da58c4 | 108 | void (*zbd_put_io)(struct thread_data *td, const struct io_u *); |
99952ca7 | 109 | |
8ef89e0b TK |
110 | /* |
111 | * Callback for io completion | |
112 | */ | |
113 | int (*end_io)(struct thread_data *, struct io_u **); | |
114 | ||
115 | union { | |
116 | #ifdef CONFIG_LIBAIO | |
117 | struct iocb iocb; | |
118 | #endif | |
119 | #ifdef CONFIG_POSIXAIO | |
120 | os_aiocb_t aiocb; | |
121 | #endif | |
122 | #ifdef FIO_HAVE_SGIO | |
123 | struct sg_io_hdr hdr; | |
124 | #endif | |
8ef89e0b TK |
125 | #ifdef CONFIG_SOLARISAIO |
126 | aio_result_t resultp; | |
127 | #endif | |
8ef89e0b TK |
128 | #ifdef CONFIG_RDMA |
129 | struct ibv_mr *mr; | |
130 | #endif | |
131 | void *mmap_data; | |
132 | }; | |
133 | }; | |
134 | ||
135 | /* | |
136 | * io unit handling | |
137 | */ | |
138 | extern struct io_u *__get_io_u(struct thread_data *); | |
139 | extern struct io_u *get_io_u(struct thread_data *); | |
140 | extern void put_io_u(struct thread_data *, struct io_u *); | |
141 | extern void clear_io_u(struct thread_data *, struct io_u *); | |
142 | extern void requeue_io_u(struct thread_data *, struct io_u **); | |
143 | extern int __must_check io_u_sync_complete(struct thread_data *, struct io_u *); | |
144 | extern int __must_check io_u_queued_complete(struct thread_data *, int); | |
145 | extern void io_u_queued(struct thread_data *, struct io_u *); | |
146 | extern int io_u_quiesce(struct thread_data *); | |
147 | extern void io_u_log_error(struct thread_data *, struct io_u *); | |
148 | extern void io_u_mark_depth(struct thread_data *, unsigned int); | |
5fff9543 JF |
149 | extern void fill_io_buffer(struct thread_data *, void *, unsigned long long, unsigned long long); |
150 | extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned long long, unsigned long long); | |
8ef89e0b TK |
151 | void io_u_mark_complete(struct thread_data *, unsigned int); |
152 | void io_u_mark_submit(struct thread_data *, unsigned int); | |
153 | bool queue_full(const struct thread_data *); | |
154 | ||
155 | int do_io_u_sync(const struct thread_data *, struct io_u *); | |
156 | int do_io_u_trim(const struct thread_data *, struct io_u *); | |
157 | ||
158 | #ifdef FIO_INC_DEBUG | |
159 | static inline void dprint_io_u(struct io_u *io_u, const char *p) | |
160 | { | |
161 | struct fio_file *f = io_u->file; | |
162 | ||
8ef89e0b | 163 | if (f) |
5fff9543 | 164 | dprint(FD_IO, "%s: io_u %p: off=0x%llx,len=0x%llx,ddir=%d,file=%s\n", |
e5f9a813 RE |
165 | p, io_u, |
166 | (unsigned long long) io_u->offset, | |
167 | io_u->buflen, io_u->ddir, | |
168 | f->file_name); | |
169 | else | |
5fff9543 | 170 | dprint(FD_IO, "%s: io_u %p: off=0x%llx,len=0x%llx,ddir=%d\n", |
e5f9a813 RE |
171 | p, io_u, |
172 | (unsigned long long) io_u->offset, | |
173 | io_u->buflen, io_u->ddir); | |
8ef89e0b TK |
174 | } |
175 | #else | |
176 | #define dprint_io_u(io_u, p) | |
177 | #endif | |
178 | ||
179 | static inline enum fio_ddir acct_ddir(struct io_u *io_u) | |
180 | { | |
181 | if (io_u->acct_ddir != -1) | |
182 | return io_u->acct_ddir; | |
183 | ||
184 | return io_u->ddir; | |
185 | } | |
186 | ||
187 | #define io_u_clear(td, io_u, val) \ | |
188 | td_flags_clear((td), &(io_u->flags), (val)) | |
189 | #define io_u_set(td, io_u, val) \ | |
190 | td_flags_set((td), &(io_u)->flags, (val)) | |
b2a432bf PC |
191 | #define io_u_is_prio(io_u) \ |
192 | (io_u->flags & (unsigned int) IO_U_F_PRIORITY) != 0 | |
8ef89e0b TK |
193 | |
194 | #endif |