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a56a256933
Add a more complete HID-BPF example. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
21 lines
777 B
C
21 lines
777 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2022 Benjamin Tissoires
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*/
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#ifndef __HID_BPF_HELPERS_H
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#define __HID_BPF_HELPERS_H
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/* following are kfuncs exported by HID for HID-BPF */
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extern __u8 *hid_bpf_get_data(struct hid_bpf_ctx *ctx,
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unsigned int offset,
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const size_t __sz) __ksym;
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extern int hid_bpf_attach_prog(unsigned int hid_id, int prog_fd, u32 flags) __ksym;
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extern struct hid_bpf_ctx *hid_bpf_allocate_context(unsigned int hid_id) __ksym;
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extern void hid_bpf_release_context(struct hid_bpf_ctx *ctx) __ksym;
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extern int hid_bpf_hw_request(struct hid_bpf_ctx *ctx,
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__u8 *data,
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size_t buf__sz,
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enum hid_report_type type,
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enum hid_class_request reqtype) __ksym;
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#endif /* __HID_BPF_HELPERS_H */
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