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[5/7] HID: bpf: import new kfunc from v6.10 & v6.11

Message ID 20250207-bpf-import-2025-02-07-v1-5-6048fdd5a206@kernel.org
State New
Headers show
Series HID: bpf: sync with udev-hid-bpf | expand

Commit Message

Benjamin Tissoires Feb. 7, 2025, 1:56 p.m. UTC 
These kfunc are all in v6.10 except for the hid_bpf_try_input_report()
which will be in v6.11. Import their definition once now so we can make
use of it.

Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/114
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
---
 drivers/hid/bpf/progs/hid_bpf_helpers.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
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Patch

diff --git a/drivers/hid/bpf/progs/hid_bpf_helpers.h b/drivers/hid/bpf/progs/hid_bpf_helpers.h
index 3ba24d125a081be4b09d88be4a2afcdc6b8c5f00..bf19785a6b06734d9465547e915bf8baeec23350 100644
--- a/drivers/hid/bpf/progs/hid_bpf_helpers.h
+++ b/drivers/hid/bpf/progs/hid_bpf_helpers.h
@@ -19,6 +19,25 @@  extern int hid_bpf_hw_request(struct hid_bpf_ctx *ctx,
 			      size_t buf__sz,
 			      enum hid_report_type type,
 			      enum hid_class_request reqtype) __ksym;
+extern int hid_bpf_hw_output_report(struct hid_bpf_ctx *ctx,
+				    __u8 *buf, size_t buf__sz) __weak __ksym;
+extern int hid_bpf_input_report(struct hid_bpf_ctx *ctx,
+				enum hid_report_type type,
+				__u8 *data,
+				size_t buf__sz) __weak __ksym;
+extern int hid_bpf_try_input_report(struct hid_bpf_ctx *ctx,
+				    enum hid_report_type type,
+				    __u8 *data,
+				    size_t buf__sz) __weak __ksym;
+
+/* bpf_wq implementation */
+extern int bpf_wq_init(struct bpf_wq *wq, void *p__map, unsigned int flags) __weak __ksym;
+extern int bpf_wq_start(struct bpf_wq *wq, unsigned int flags) __weak __ksym;
+extern int bpf_wq_set_callback_impl(struct bpf_wq *wq,
+		int (callback_fn)(void *map, int *key, void *value),
+		unsigned int flags__k, void *aux__ign) __ksym;
+#define bpf_wq_set_callback(wq, cb, flags) \
+	bpf_wq_set_callback_impl(wq, cb, flags, NULL)
 
 #define HID_MAX_DESCRIPTOR_SIZE	4096
 #define HID_IGNORE_EVENT	-1