diff options
Diffstat (limited to 'include/linux/hid_bpf.h')
| -rw-r--r-- | include/linux/hid_bpf.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/hid_bpf.h b/include/linux/hid_bpf.h index 1d24b72059bc..9b11f8f25ad5 100644 --- a/include/linux/hid_bpf.h +++ b/include/linux/hid_bpf.h @@ -74,6 +74,7 @@ enum hid_bpf_attach_flags { /* Following functions are tracepoints that BPF programs can attach to */ int hid_bpf_device_event(struct hid_bpf_ctx *ctx); +int hid_bpf_rdesc_fixup(struct hid_bpf_ctx *ctx); /* Following functions are kfunc that we export to BPF programs */ /* available everywhere in HID-BPF */ @@ -100,6 +101,7 @@ int __hid_bpf_tail_call(struct hid_bpf_ctx *ctx); enum hid_bpf_prog_type { HID_BPF_PROG_TYPE_UNDEF = -1, HID_BPF_PROG_TYPE_DEVICE_EVENT, /* an event is emitted from the device */ + HID_BPF_PROG_TYPE_RDESC_FIXUP, HID_BPF_PROG_TYPE_MAX, }; @@ -143,6 +145,7 @@ int hid_bpf_connect_device(struct hid_device *hdev); void hid_bpf_disconnect_device(struct hid_device *hdev); void hid_bpf_destroy_device(struct hid_device *hid); void hid_bpf_device_init(struct hid_device *hid); +u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *size); #else /* CONFIG_HID_BPF */ static inline u8 *dispatch_hid_bpf_device_event(struct hid_device *hid, enum hid_report_type type, u8 *data, u32 *size, int interrupt) { return NULL; } @@ -150,6 +153,11 @@ static inline int hid_bpf_connect_device(struct hid_device *hdev) { return 0; } static inline void hid_bpf_disconnect_device(struct hid_device *hdev) {} static inline void hid_bpf_destroy_device(struct hid_device *hid) {} static inline void hid_bpf_device_init(struct hid_device *hid) {} +static inline u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *size) +{ + return kmemdup(rdesc, *size, GFP_KERNEL); +} + #endif /* CONFIG_HID_BPF */ #endif /* __HID_BPF_H */ |