tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
fork
Configure Feed
Select the types of activity you want to include in your feed.
1// SPDX-License-Identifier: GPL-2.0
2#ifndef IOU_OP_DEF_H
3#define IOU_OP_DEF_H
4
5struct io_op_def {
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;
28 /* have to be put into the iopoll list */
29 unsigned iopoll_queue : 1;
30 /* opcode specific path will handle ->async_data allocation if needed */
31 unsigned manual_alloc : 1;
32 /* size of async data needed, if any */
33 unsigned short async_size;
34
35 const char *name;
36
37 int (*prep)(struct io_kiocb *, const struct io_uring_sqe *);
38 int (*issue)(struct io_kiocb *, unsigned int);
39 int (*prep_async)(struct io_kiocb *);
40 void (*cleanup)(struct io_kiocb *);
41 void (*fail)(struct io_kiocb *);
42};
43
44extern const struct io_op_def io_op_defs[];
45
46void io_uring_optable_init(void);
47#endif