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From: Benjamin Tissoires <bentiss@kernel.org>
Date: Tue, 28 May 2024 15:14:44 +0200
Subject: [PATCH HID 06/13] HID: bpf: add defines for HID-BPF SEC in in-tree
 bpf fixes
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Message-Id: <20240528-hid_bpf_struct_ops-v1-6-8c6663df27d8@kernel.org>
References: <20240528-hid_bpf_struct_ops-v1-0-8c6663df27d8@kernel.org>
In-Reply-To: <20240528-hid_bpf_struct_ops-v1-0-8c6663df27d8@kernel.org>
To: Shuah Khan <shuah@kernel.org>, Jiri Kosina <jikos@kernel.org>, 
 Jonathan Corbet <corbet@lwn.net>, Alexei Starovoitov <ast@kernel.org>
Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, 
 bpf@vger.kernel.org, linux-input@vger.kernel.org, linux-doc@vger.kernel.org, 
 Benjamin Tissoires <bentiss@kernel.org>

We are going to switch over struct_ops, so instead of having to manually
replace all fields one by one, let's have a common place to change it.

Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
---
 drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c     | 4 ++--
 drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c       | 2 +-
 drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c      | 4 ++--
 drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c | 2 +-
 drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c   | 2 +-
 drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c             | 2 +-
 drivers/hid/bpf/progs/XPPen__Artist24.bpf.c           | 4 ++--
 drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c    | 6 +++---
 drivers/hid/bpf/progs/hid_bpf.h                       | 3 +++
 9 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c b/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c
index dc26a7677d36..2c2c1637ade8 100644
--- a/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c
+++ b/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c
@@ -133,7 +133,7 @@ HID_BPF_CONFIG(
  *   integer. We thus divide it by 30 to match what other joysticks are
  *   doing
  */
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc_raptor_mach_2, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, HID_MAX_DESCRIPTOR_SIZE /* size */);
@@ -152,7 +152,7 @@ int BPF_PROG(hid_fix_rdesc_raptor_mach_2, struct hid_bpf_ctx *hctx)
  * divide it by 30.
  * Byte 34 is always null, so it is ignored.
  */
-SEC("fmod_ret/hid_bpf_device_event")
+SEC(HID_BPF_DEVICE_EVENT)
 int BPF_PROG(raptor_mach_2_fix_hat_switch, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 64 /* size */);
diff --git a/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c b/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c
index 3d14bbb6f276..17fc55f6f02c 100644
--- a/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c
+++ b/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c
@@ -30,7 +30,7 @@ HID_BPF_CONFIG(
  * pointer.
  */
 
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 4096 /* size */);
diff --git a/drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c b/drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c
index ff759f2276f9..24b8a5aa05f3 100644
--- a/drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c
+++ b/drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c
@@ -191,7 +191,7 @@ static const __u8 fixed_rdesc[] = {
 	0xc0,                          // End Collection                      327
 };
 
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc_huion_kamvas_pro_19, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, HID_MAX_DESCRIPTOR_SIZE /* size */);
@@ -215,7 +215,7 @@ int BPF_PROG(hid_fix_rdesc_huion_kamvas_pro_19, struct hid_bpf_ctx *hctx)
  * - if there was this out-of-proximity event, we are entering
  *   eraser mode, and we will until the next out-of-proximity.
  */
-SEC("fmod_ret/hid_bpf_device_event")
+SEC(HID_BPF_DEVICE_EVENT)
 int BPF_PROG(kamvas_pro_19_fix_3rd_button, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */);
diff --git a/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c b/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c
index 225cbefdbf0e..bee37872ee8c 100644
--- a/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c
+++ b/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c
@@ -21,7 +21,7 @@ HID_BPF_CONFIG(
  * We just fix the report descriptor to enable those missing 7 buttons.
  */
 
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc, struct hid_bpf_ctx *hctx)
 {
 	const u8 offsets[] = {84, 112, 140};
diff --git a/drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c b/drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c
index c04abecab8ee..f9ad33f4a373 100644
--- a/drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c
+++ b/drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c
@@ -93,7 +93,7 @@ _Static_assert(sizeof(rdesc_assign_selection) == sizeof(fixed_rdesc_assign_selec
 _Static_assert(sizeof(rdesc_assign_selection) + OFFSET_ASSIGN_SELECTION < ORIGINAL_RDESC_SIZE,
 	       "Rdesc at given offset is too big");
 
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 4096 /* size */);
diff --git a/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c b/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c
index dc05aa48faa7..39d77c5e9172 100644
--- a/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c
+++ b/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c
@@ -101,7 +101,7 @@ static inline __u8 *get_u8(__u8 *data, unsigned int offset)
 	return (__u8 *)get_bits(data, offset);
 }
 
-SEC("fmod_ret/hid_bpf_device_event")
+SEC(HID_BPF_DEVICE_EVENT)
 int BPF_PROG(artpen_pressure_interpolate, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, PEN_REPORT_LEN /* size */);
diff --git a/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c b/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c
index e1be6a12bb75..c938808bd589 100644
--- a/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c
+++ b/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c
@@ -91,7 +91,7 @@ static const __u8 fixed_rdesc[] = {
 
 #define U16(index) (data[index] | (data[index + 1] << 8))
 
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc_xppen_artist24, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 4096 /* size */);
@@ -152,7 +152,7 @@ static __u8 prev_state = 0;
  *     E: TipSwitch                     InRange
  *
  */
-SEC("fmod_ret/hid_bpf_device_event")
+SEC(HID_BPF_DEVICE_EVENT)
 int BPF_PROG(xppen_24_fix_eraser, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */);
diff --git a/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c b/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c
index 65ef10036126..77ef8b95d52e 100644
--- a/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c
+++ b/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c
@@ -82,7 +82,7 @@ static const __u8 fixed_rdesc[] = {
 	0xc0,                          // End Collection                      112
 };
 
-SEC("fmod_ret/hid_bpf_rdesc_fixup")
+SEC(HID_BPF_RDESC_FIXUP)
 int BPF_PROG(hid_fix_rdesc_xppen_artistpro16gen2, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 4096 /* size */);
@@ -105,7 +105,7 @@ int BPF_PROG(hid_fix_rdesc_xppen_artistpro16gen2, struct hid_bpf_ctx *hctx)
 	return sizeof(fixed_rdesc);
 }
 
-SEC("fmod_ret/hid_bpf_device_event")
+SEC(HID_BPF_DEVICE_EVENT)
 int BPF_PROG(xppen_16_fix_eraser, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */);
@@ -207,7 +207,7 @@ static void compensate_coordinates_by_tilt(__u8 *data, const __u8 idx,
 	data[idx+1] = coords >> 8;
 }
 
-SEC("fmod_ret/hid_bpf_device_event")
+SEC(HID_BPF_DEVICE_EVENT)
 int BPF_PROG(xppen_16_fix_angle_offset, struct hid_bpf_ctx *hctx)
 {
 	__u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */);
diff --git a/drivers/hid/bpf/progs/hid_bpf.h b/drivers/hid/bpf/progs/hid_bpf.h
index 7ee371cac2e1..1970faf84310 100644
--- a/drivers/hid/bpf/progs/hid_bpf.h
+++ b/drivers/hid/bpf/progs/hid_bpf.h
@@ -5,6 +5,9 @@
 #ifndef ____HID_BPF__H
 #define ____HID_BPF__H
 
+#define HID_BPF_DEVICE_EVENT "fmod_ret/hid_bpf_device_event"
+#define HID_BPF_RDESC_FIXUP  "fmod_ret/hid_bpf_rdesc_fixup"
+
 struct hid_bpf_probe_args {
 	unsigned int hid;
 	unsigned int rdesc_size;

-- 
2.44.0