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- // SPDX-License-Identifier: GPL-2.0
- #ifndef IOU_OP_DEF_H
- #define IOU_OP_DEF_H
- struct io_uring_bpf_ctx;
- 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;
- /* set to 1 if this opcode uses 128b sqes in a mixed sq */
- unsigned is_128 : 1;
- /* size of async data needed, if any */
- unsigned short async_size;
- /* bpf filter pdu size, if any */
- unsigned short filter_pdu_size;
- int (*issue)(struct io_kiocb *, unsigned int);
- int (*prep)(struct io_kiocb *, const struct io_uring_sqe *);
- void (*filter_populate)(struct io_uring_bpf_ctx *, struct io_kiocb *);
- };
- struct io_cold_def {
- const char *name;
- void (*sqe_copy)(struct io_kiocb *);
- 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
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