Cregit: Linux 6.16: opdef.h

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Jens Axboe	131	71.20%	10	52.63%
Breno Leitão	20	10.87%	2	10.53%
Pavel Begunkov	16	8.70%	3	15.79%
Gabriel Krisman Bertazi	7	3.80%	1	5.26%
Dylan Yudaken	5	2.72%	1	5.26%
Paul Moore	4	2.17%	1	5.26%
Greg Kroah-Hartman	1	0.54%	1	5.26%
Total	184		19

// SPDX-License-Identifier: GPL-2.0
#ifndef IOU_OP_DEF_H
#define IOU_OP_DEF_H

struct io_issue_def {
	/* needs req->file assigned */
	unsigned		needs_file : 1;
	/* should block plug */
	unsigned		plug : 1;
	/* supports ioprio */
	unsigned		ioprio : 1;
	/* supports iopoll */
	unsigned		iopoll : 1;
	/* op supports buffer selection */
	unsigned		buffer_select : 1;
	/* hash wq insertion if file is a regular file */
	unsigned		hash_reg_file : 1;
	/* unbound wq insertion if file is a non-regular file */
	unsigned		unbound_nonreg_file : 1;
	/* set if opcode supports polled "wait" */
	unsigned		pollin : 1;
	unsigned		pollout : 1;
	unsigned		poll_exclusive : 1;
	/* skip auditing */
	unsigned		audit_skip : 1;
	/* have to be put into the iopoll list */
	unsigned		iopoll_queue : 1;
	/* vectored opcode, set if 1) vectored, and 2) handler needs to know */
	unsigned		vectored : 1;

	/* size of async data needed, if any */
	unsigned short		async_size;

	int (*issue)(struct io_kiocb *, unsigned int);
	int (*prep)(struct io_kiocb *, const struct io_uring_sqe *);
};

struct io_cold_def {
	const char		*name;

	void (*cleanup)(struct io_kiocb *);
	void (*fail)(struct io_kiocb *);
};

extern const struct io_issue_def io_issue_defs[];
extern const struct io_cold_def io_cold_defs[];

bool io_uring_op_supported(u8 opcode);

void io_uring_optable_init(void);
#endif