xref: /openbmc/linux/samples/hid/hid_bpf_helpers.h (revision a56a2569)
16008105bSBenjamin Tissoires /* SPDX-License-Identifier: GPL-2.0-only */
26008105bSBenjamin Tissoires /* Copyright (c) 2022 Benjamin Tissoires
36008105bSBenjamin Tissoires  */
46008105bSBenjamin Tissoires 
56008105bSBenjamin Tissoires #ifndef __HID_BPF_HELPERS_H
66008105bSBenjamin Tissoires #define __HID_BPF_HELPERS_H
76008105bSBenjamin Tissoires 
86008105bSBenjamin Tissoires /* following are kfuncs exported by HID for HID-BPF */
96008105bSBenjamin Tissoires extern __u8 *hid_bpf_get_data(struct hid_bpf_ctx *ctx,
106008105bSBenjamin Tissoires 			      unsigned int offset,
116008105bSBenjamin Tissoires 			      const size_t __sz) __ksym;
126008105bSBenjamin Tissoires extern int hid_bpf_attach_prog(unsigned int hid_id, int prog_fd, u32 flags) __ksym;
13*a56a2569SBenjamin Tissoires extern struct hid_bpf_ctx *hid_bpf_allocate_context(unsigned int hid_id) __ksym;
14*a56a2569SBenjamin Tissoires extern void hid_bpf_release_context(struct hid_bpf_ctx *ctx) __ksym;
156008105bSBenjamin Tissoires extern int hid_bpf_hw_request(struct hid_bpf_ctx *ctx,
166008105bSBenjamin Tissoires 			      __u8 *data,
176008105bSBenjamin Tissoires 			      size_t buf__sz,
186008105bSBenjamin Tissoires 			      enum hid_report_type type,
196008105bSBenjamin Tissoires 			      enum hid_class_request reqtype) __ksym;
206008105bSBenjamin Tissoires 
216008105bSBenjamin Tissoires #endif /* __HID_BPF_HELPERS_H */
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