-ALLOW_ERROR_INJECTION(hid_bpf_device_event, ERRNO);
u8 *
dispatch_hid_bpf_device_event(struct hid_device *hdev, enum hid_report_type type, u8 *data,
u8 *
dispatch_hid_bpf_device_event(struct hid_device *hdev, enum hid_report_type type, u8 *data,
-ALLOW_ERROR_INJECTION(hid_bpf_rdesc_fixup, ERRNO);
u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *size)
{
u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *size)
{
+/* our HID-BPF entrypoints */
+BTF_SET8_START(hid_bpf_fmodret_ids)
+BTF_ID_FLAGS(func, hid_bpf_device_event)
+BTF_ID_FLAGS(func, hid_bpf_rdesc_fixup)
+BTF_ID_FLAGS(func, __hid_bpf_tail_call)
+BTF_SET8_END(hid_bpf_fmodret_ids)
+
+static const struct btf_kfunc_id_set hid_bpf_fmodret_set = {
+ .owner = THIS_MODULE,
+ .set = &hid_bpf_fmodret_ids,
+};
+
/* for syscall HID-BPF */
BTF_SET8_START(hid_bpf_syscall_kfunc_ids)
BTF_ID_FLAGS(func, hid_bpf_attach_prog)
/* for syscall HID-BPF */
BTF_SET8_START(hid_bpf_syscall_kfunc_ids)
BTF_ID_FLAGS(func, hid_bpf_attach_prog)
* will not be available, so nobody will be able to use the functionality.
*/
* will not be available, so nobody will be able to use the functionality.
*/
+ err = register_btf_fmodret_id_set(&hid_bpf_fmodret_set);
+ if (err) {
+ pr_warn("error while registering fmodret entrypoints: %d", err);
+ return 0;
+ }
+
err = register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING, &hid_bpf_kfunc_set);
if (err) {
pr_warn("error while setting HID BPF tracing kfuncs: %d", err);
err = register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING, &hid_bpf_kfunc_set);
if (err) {
pr_warn("error while setting HID BPF tracing kfuncs: %d", err);
-ALLOW_ERROR_INJECTION(__hid_bpf_tail_call, ERRNO);
int hid_bpf_prog_run(struct hid_device *hdev, enum hid_bpf_prog_type type,
struct hid_bpf_ctx_kern *ctx_kern)
int hid_bpf_prog_run(struct hid_device *hdev, enum hid_bpf_prog_type type,
struct hid_bpf_ctx_kern *ctx_kern)