projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 329061d3 JA |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | #ifndef IOU_OP_DEF_H | |
| 3 | #define IOU_OP_DEF_H | |
| 4 | ||
| a7dd2782 | 5 | struct io_issue_def { |
| 329061d3 JA |
6 | /* needs req->file assigned */ |
| 7 | unsigned needs_file : 1; | |
| 8 | /* should block plug */ | |
| 9 | unsigned plug : 1; | |
| 10 | /* hash wq insertion if file is a regular file */ | |
| 11 | unsigned hash_reg_file : 1; | |
| 12 | /* unbound wq insertion if file is a non-regular file */ | |
| 13 | unsigned unbound_nonreg_file : 1; | |
| 14 | /* set if opcode supports polled "wait" */ | |
| 15 | unsigned pollin : 1; | |
| 16 | unsigned pollout : 1; | |
| 17 | unsigned poll_exclusive : 1; | |
| 18 | /* op supports buffer selection */ | |
| 19 | unsigned buffer_select : 1; | |
| 20 | /* opcode is not supported by this kernel */ | |
| 21 | unsigned not_supported : 1; | |
| 22 | /* skip auditing */ | |
| 23 | unsigned audit_skip : 1; | |
| 24 | /* supports ioprio */ | |
| 25 | unsigned ioprio : 1; | |
| 26 | /* supports iopoll */ | |
| 27 | unsigned iopoll : 1; | |
| ef0ec1ad PB |
28 | /* have to be put into the iopoll list */ |
| 29 | unsigned iopoll_queue : 1; | |
| 59169439 PB |
30 | /* opcode specific path will handle ->async_data allocation if needed */ |
| 31 | unsigned manual_alloc : 1; | |
| f30bd4d0 BL |
32 | |
| 33 | int (*issue)(struct io_kiocb *, unsigned int); | |
| 34 | int (*prep)(struct io_kiocb *, const struct io_uring_sqe *); | |
| 35 | }; | |
| 36 | ||
| 37 | struct io_cold_def { | |
| 329061d3 JA |
38 | /* size of async data needed, if any */ |
| 39 | unsigned short async_size; | |
| 40 | ||
| 41 | const char *name; | |
| 42 | ||
| 329061d3 JA |
43 | int (*prep_async)(struct io_kiocb *); |
| 44 | void (*cleanup)(struct io_kiocb *); | |
| a47b255e | 45 | void (*fail)(struct io_kiocb *); |
| 329061d3 JA |
46 | }; |
| 47 | ||
| a7dd2782 | 48 | extern const struct io_issue_def io_issue_defs[]; |
| f30bd4d0 | 49 | extern const struct io_cold_def io_cold_defs[]; |
| d9b57aa3 JA |
50 | |
| 51 | void io_uring_optable_init(void); | |
| 329061d3 | 52 | #endif |