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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859// 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; /* 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