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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 | |
14 | #ifdef CONFIG_GUASI | |
15 | #include <guasi.h> | |
16 | #endif | |
17 | ||
18 | enum { | |
19 | IO_U_F_FREE = 1 << 0, | |
20 | IO_U_F_FLIGHT = 1 << 1, | |
21 | IO_U_F_NO_FILE_PUT = 1 << 2, | |
22 | IO_U_F_IN_CUR_DEPTH = 1 << 3, | |
23 | IO_U_F_BUSY_OK = 1 << 4, | |
24 | IO_U_F_TRIMMED = 1 << 5, | |
25 | IO_U_F_BARRIER = 1 << 6, | |
26 | IO_U_F_VER_LIST = 1 << 7, | |
b2a432bf | 27 | IO_U_F_PRIORITY = 1 << 8, |
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28 | }; |
29 | ||
30 | /* | |
31 | * The io unit | |
32 | */ | |
33 | struct io_u { | |
8b6a404c VF |
34 | struct timespec start_time; |
35 | struct timespec issue_time; | |
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36 | |
37 | struct fio_file *file; | |
38 | unsigned int flags; | |
39 | enum fio_ddir ddir; | |
40 | ||
41 | /* | |
42 | * For replay workloads, we may want to account as a different | |
43 | * IO type than what is being submitted. | |
44 | */ | |
45 | enum fio_ddir acct_ddir; | |
46 | ||
47 | /* | |
48 | * Write generation | |
49 | */ | |
50 | unsigned short numberio; | |
51 | ||
52 | /* | |
53 | * Allocated/set buffer and length | |
54 | */ | |
5fff9543 | 55 | unsigned long long buflen; |
8ef89e0b TK |
56 | unsigned long long offset; |
57 | void *buf; | |
58 | ||
59 | /* | |
60 | * Initial seed for generating the buffer contents | |
61 | */ | |
62 | uint64_t rand_seed; | |
63 | ||
64 | /* | |
65 | * IO engine state, may be different from above when we get | |
66 | * partial transfers / residual data counts | |
67 | */ | |
68 | void *xfer_buf; | |
5fff9543 | 69 | unsigned long long xfer_buflen; |
8ef89e0b TK |
70 | |
71 | /* | |
72 | * Parameter related to pre-filled buffers and | |
73 | * their size to handle variable block sizes. | |
74 | */ | |
5fff9543 | 75 | unsigned long long buf_filled_len; |
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76 | |
77 | struct io_piece *ipo; | |
78 | ||
daa89913 | 79 | unsigned long long resid; |
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80 | unsigned int error; |
81 | ||
82 | /* | |
83 | * io engine private data | |
84 | */ | |
85 | union { | |
86 | unsigned int index; | |
87 | unsigned int seen; | |
88 | void *engine_data; | |
89 | }; | |
90 | ||
91 | union { | |
92 | struct flist_head verify_list; | |
93 | struct workqueue_work work; | |
94 | }; | |
95 | ||
d9ed3e63 | 96 | #ifdef CONFIG_LINUX_BLKZONED |
99952ca7 | 97 | /* |
d9ed3e63 DLM |
98 | * ZBD mode zbd_queue_io callback: called after engine->queue operation |
99 | * to advance a zone write pointer and eventually unlock the I/O zone. | |
100 | * @q indicates the I/O queue status (busy, queued or completed). | |
101 | * @success == true means that the I/O operation has been queued or | |
102 | * completed successfully. | |
99952ca7 | 103 | */ |
d9ed3e63 DLM |
104 | void (*zbd_queue_io)(struct io_u *, int q, bool success); |
105 | ||
106 | /* | |
107 | * ZBD mode zbd_put_io callback: called in after completion of an I/O | |
108 | * or commit of an async I/O to unlock the I/O target zone. | |
109 | */ | |
110 | void (*zbd_put_io)(const struct io_u *); | |
111 | #endif | |
99952ca7 | 112 | |
8ef89e0b TK |
113 | /* |
114 | * Callback for io completion | |
115 | */ | |
116 | int (*end_io)(struct thread_data *, struct io_u **); | |
117 | ||
118 | union { | |
119 | #ifdef CONFIG_LIBAIO | |
120 | struct iocb iocb; | |
121 | #endif | |
122 | #ifdef CONFIG_POSIXAIO | |
123 | os_aiocb_t aiocb; | |
124 | #endif | |
125 | #ifdef FIO_HAVE_SGIO | |
126 | struct sg_io_hdr hdr; | |
127 | #endif | |
128 | #ifdef CONFIG_GUASI | |
129 | guasi_req_t greq; | |
130 | #endif | |
131 | #ifdef CONFIG_SOLARISAIO | |
132 | aio_result_t resultp; | |
133 | #endif | |
8ef89e0b TK |
134 | #ifdef CONFIG_RDMA |
135 | struct ibv_mr *mr; | |
136 | #endif | |
137 | void *mmap_data; | |
138 | }; | |
139 | }; | |
140 | ||
141 | /* | |
142 | * io unit handling | |
143 | */ | |
144 | extern struct io_u *__get_io_u(struct thread_data *); | |
145 | extern struct io_u *get_io_u(struct thread_data *); | |
146 | extern void put_io_u(struct thread_data *, struct io_u *); | |
147 | extern void clear_io_u(struct thread_data *, struct io_u *); | |
148 | extern void requeue_io_u(struct thread_data *, struct io_u **); | |
149 | extern int __must_check io_u_sync_complete(struct thread_data *, struct io_u *); | |
150 | extern int __must_check io_u_queued_complete(struct thread_data *, int); | |
151 | extern void io_u_queued(struct thread_data *, struct io_u *); | |
152 | extern int io_u_quiesce(struct thread_data *); | |
153 | extern void io_u_log_error(struct thread_data *, struct io_u *); | |
154 | extern void io_u_mark_depth(struct thread_data *, unsigned int); | |
5fff9543 JF |
155 | extern void fill_io_buffer(struct thread_data *, void *, unsigned long long, unsigned long long); |
156 | extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned long long, unsigned long long); | |
8ef89e0b TK |
157 | void io_u_mark_complete(struct thread_data *, unsigned int); |
158 | void io_u_mark_submit(struct thread_data *, unsigned int); | |
159 | bool queue_full(const struct thread_data *); | |
160 | ||
161 | int do_io_u_sync(const struct thread_data *, struct io_u *); | |
162 | int do_io_u_trim(const struct thread_data *, struct io_u *); | |
163 | ||
164 | #ifdef FIO_INC_DEBUG | |
165 | static inline void dprint_io_u(struct io_u *io_u, const char *p) | |
166 | { | |
167 | struct fio_file *f = io_u->file; | |
168 | ||
8ef89e0b | 169 | if (f) |
5fff9543 | 170 | dprint(FD_IO, "%s: io_u %p: off=0x%llx,len=0x%llx,ddir=%d,file=%s\n", |
e5f9a813 RE |
171 | p, io_u, |
172 | (unsigned long long) io_u->offset, | |
173 | io_u->buflen, io_u->ddir, | |
174 | f->file_name); | |
175 | else | |
5fff9543 | 176 | dprint(FD_IO, "%s: io_u %p: off=0x%llx,len=0x%llx,ddir=%d\n", |
e5f9a813 RE |
177 | p, io_u, |
178 | (unsigned long long) io_u->offset, | |
179 | io_u->buflen, io_u->ddir); | |
8ef89e0b TK |
180 | } |
181 | #else | |
182 | #define dprint_io_u(io_u, p) | |
183 | #endif | |
184 | ||
185 | static inline enum fio_ddir acct_ddir(struct io_u *io_u) | |
186 | { | |
187 | if (io_u->acct_ddir != -1) | |
188 | return io_u->acct_ddir; | |
189 | ||
190 | return io_u->ddir; | |
191 | } | |
192 | ||
193 | #define io_u_clear(td, io_u, val) \ | |
194 | td_flags_clear((td), &(io_u->flags), (val)) | |
195 | #define io_u_set(td, io_u, val) \ | |
196 | td_flags_set((td), &(io_u)->flags, (val)) | |
b2a432bf PC |
197 | #define io_u_is_prio(io_u) \ |
198 | (io_u->flags & (unsigned int) IO_U_F_PRIORITY) != 0 | |
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199 | |
200 | #endif |