// SPDX-License-Identifier: GPL-2.0 #ifndef IOU_OP_DEF_H #define IOU_OP_DEF_H struct io_op_def { /* needs req->file assigned */ unsigned needs_file : 1; /* should block plug */ unsigned plug : 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; /* op supports buffer selection */ unsigned buffer_select : 1; /* opcode is not supported by this kernel */ unsigned not_supported : 1; /* skip auditing */ unsigned audit_skip : 1; /* supports ioprio */ unsigned ioprio : 1; /* supports iopoll */ unsigned iopoll : 1; /* have to be put into the iopoll list */ unsigned iopoll_queue : 1; /* opcode specific path will handle ->async_data allocation if needed */ unsigned manual_alloc : 1; /* size of async data needed, if any */ unsigned short async_size; const char *name; int (*prep)(struct io_kiocb *, const struct io_uring_sqe *); int (*issue)(struct io_kiocb *, unsigned int); int (*prep_async)(struct io_kiocb *); void (*cleanup)(struct io_kiocb *); void (*fail)(struct io_kiocb *); }; extern const struct io_op_def io_op_defs[]; void io_uring_optable_init(void); #endif