1 // SPDX-License-Identifier: GPL-2.0
6 /* needs req->file assigned */
7 unsigned needs_file
: 1;
8 /* should block plug */
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" */
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;
23 unsigned audit_skip
: 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 /* vectored opcode, set if 1) vectored, and 2) handler needs to know */
33 unsigned vectored
: 1;
35 int (*issue
)(struct io_kiocb
*, unsigned int);
36 int (*prep
)(struct io_kiocb
*, const struct io_uring_sqe
*);
40 /* size of async data needed, if any */
41 unsigned short async_size
;
45 int (*prep_async
)(struct io_kiocb
*);
46 void (*cleanup
)(struct io_kiocb
*);
47 void (*fail
)(struct io_kiocb
*);
50 extern const struct io_issue_def io_issue_defs
[];
51 extern const struct io_cold_def io_cold_defs
[];
53 void io_uring_optable_init(void);