io_uring/bpf_filter.h

Source file repositories/reference/linux-study-clean/io_uring/bpf_filter.h

File Facts

System
Linux kernel
Corpus path
io_uring/bpf_filter.h
Extension
.h
Size
1172 bytes
Lines
49
Domain
Kernel Services
Bucket
io_uring
Inferred role
Kernel Services: implementation source
Status
source implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

Dependency Surface

Detected Declarations

Annotated Snippet

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

#include <uapi/linux/io_uring/bpf_filter.h>

#ifdef CONFIG_IO_URING_BPF

int __io_uring_run_bpf_filters(struct io_bpf_filter __rcu **filters, struct io_kiocb *req);

int io_register_bpf_filter(struct io_restriction *res,
			   struct io_uring_bpf __user *arg);

void io_put_bpf_filters(struct io_restriction *res);

void io_bpf_filter_clone(struct io_restriction *dst, struct io_restriction *src);

static inline int io_uring_run_bpf_filters(struct io_bpf_filter __rcu **filters,
					   struct io_kiocb *req)
{
	if (filters)
		return __io_uring_run_bpf_filters(filters, req);

	return 0;
}

#else

static inline int io_register_bpf_filter(struct io_restriction *res,
					 struct io_uring_bpf __user *arg)
{
	return -EINVAL;
}
static inline int io_uring_run_bpf_filters(struct io_bpf_filter __rcu **filters,
					   struct io_kiocb *req)
{
	return 0;
}
static inline void io_put_bpf_filters(struct io_restriction *res)
{
}
static inline void io_bpf_filter_clone(struct io_restriction *dst,
				       struct io_restriction *src)
{
}
#endif /* CONFIG_IO_URING_BPF */

#endif

Annotation

Implementation Notes