summaryrefslogtreecommitdiffstats
path: root/samples/hid/hid_bpf_helpers.h
blob: 4fff31dbe0e74b7f079f734c6d66d6ee5069a0e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2022 Benjamin Tissoires
 */

#ifndef __HID_BPF_HELPERS_H
#define __HID_BPF_HELPERS_H

/* following are kfuncs exported by HID for HID-BPF */
extern __u8 *hid_bpf_get_data(struct hid_bpf_ctx *ctx,
			      unsigned int offset,
			      const size_t __sz) __ksym;
extern int hid_bpf_attach_prog(unsigned int hid_id, int prog_fd, u32 flags) __ksym;
extern struct hid_bpf_ctx *hid_bpf_allocate_context(unsigned int hid_id) __ksym;
extern void hid_bpf_release_context(struct hid_bpf_ctx *ctx) __ksym;
extern int hid_bpf_hw_request(struct hid_bpf_ctx *ctx,
			      __u8 *data,
			      size_t buf__sz,
			      enum hid_report_type type,
			      enum hid_class_request reqtype) __ksym;

#endif /* __HID_BPF_HELPERS_H */