[PATCH HID 07/13] HID: bpf: convert in-tree fixes into struct_ops

Very mechanical: - Change HID_BPF_DEVICE_EVENT and HID_BPF_RDESC_FIXUP #defines - add a matching SEC(".struct_ops.link") - in ArtistPro16Gen2 make the 2 functions static and have a new one calling them

Signed-off-by: Benjamin Tissoires bentiss@kernel.org --- drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c | 5 +++++ drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c | 4 ++++ drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c | 5 +++++ .../hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c | 4 ++++ .../hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c | 4 ++++ drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c | 4 ++++ drivers/hid/bpf/progs/XPPen__Artist24.bpf.c | 5 +++++ drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c | 22 ++++++++++++++++++---- drivers/hid/bpf/progs/hid_bpf.h | 6 ++++-- 9 files changed, 53 insertions(+), 6 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 2c2c1637ade8..caec91391d32 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 @@ -168,6 +168,11 @@ int BPF_PROG(raptor_mach_2_fix_hat_switch, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(raptor_mach_2) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc_raptor_mach_2, + .hid_device_event = (void *)raptor_mach_2_fix_hat_switch, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { diff --git a/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c b/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c index 17fc55f6f02c..c2413fa80543 100644 --- a/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c +++ b/drivers/hid/bpf/progs/HP__Elite-Presenter.bpf.c @@ -45,6 +45,10 @@ int BPF_PROG(hid_fix_rdesc, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(hp_elite_presenter) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { 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 24b8a5aa05f3..a4a4f324aedd 100644 --- a/drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c +++ b/drivers/hid/bpf/progs/Huion__Kamvas-Pro-19.bpf.c @@ -255,6 +255,11 @@ int BPF_PROG(kamvas_pro_19_fix_3rd_button, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(huion_Kamvas_pro_19) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc_huion_kamvas_pro_19, + .hid_device_event = (void *)kamvas_pro_19_fix_3rd_button, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { diff --git a/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c b/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c index bee37872ee8c..82f1950445dd 100644 --- a/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c +++ b/drivers/hid/bpf/progs/IOGEAR__Kaliber-MMOmentum.bpf.c @@ -45,6 +45,10 @@ int BPF_PROG(hid_fix_rdesc, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(iogear_kaliber_momentum) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { 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 f9ad33f4a373..70b16edfb59a 100644 --- a/drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c +++ b/drivers/hid/bpf/progs/Microsoft__XBox-Elite-2.bpf.c @@ -114,6 +114,10 @@ int BPF_PROG(hid_fix_rdesc, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(xbox_elite_2) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { diff --git a/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c b/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c index 39d77c5e9172..2da680bc4e11 100644 --- a/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c +++ b/drivers/hid/bpf/progs/Wacom__ArtPen.bpf.c @@ -139,6 +139,10 @@ int BPF_PROG(artpen_pressure_interpolate, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(wacom_artpen) = { + .hid_device_event = (void *)artpen_pressure_interpolate, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { diff --git a/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c b/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c index c938808bd589..bc0b85c38445 100644 --- a/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c +++ b/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c @@ -209,6 +209,11 @@ int BPF_PROG(xppen_24_fix_eraser, struct hid_bpf_ctx *hctx) return 0; }

+HID_BPF_OPS(xppen_artist_24) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc_xppen_artist24, + .hid_device_event = (void *)xppen_24_fix_eraser, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { diff --git a/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c b/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c index 77ef8b95d52e..a669525691aa 100644 --- a/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c +++ b/drivers/hid/bpf/progs/XPPen__ArtistPro16Gen2.bpf.c @@ -105,8 +105,7 @@ int BPF_PROG(hid_fix_rdesc_xppen_artistpro16gen2, struct hid_bpf_ctx *hctx) return sizeof(fixed_rdesc); }

-SEC(HID_BPF_DEVICE_EVENT) -int BPF_PROG(xppen_16_fix_eraser, struct hid_bpf_ctx *hctx) +static int xppen_16_fix_eraser(struct hid_bpf_ctx *hctx) { __u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */);

@@ -207,8 +206,7 @@ static void compensate_coordinates_by_tilt(__u8 *data, const __u8 idx, data[idx+1] = coords >> 8; }

-SEC(HID_BPF_DEVICE_EVENT) -int BPF_PROG(xppen_16_fix_angle_offset, struct hid_bpf_ctx *hctx) +static int xppen_16_fix_angle_offset(struct hid_bpf_ctx *hctx) { __u8 *data = hid_bpf_get_data(hctx, 0 /* offset */, 10 /* size */);

@@ -254,6 +252,22 @@ int BPF_PROG(xppen_16_fix_angle_offset, struct hid_bpf_ctx *hctx) return 0; }

+SEC(HID_BPF_DEVICE_EVENT) +int BPF_PROG(xppen_artist_pro_16_device_event, struct hid_bpf_ctx *hctx) +{ + int ret = xppen_16_fix_angle_offset(hctx); + + if (ret) + return ret; + + return xppen_16_fix_eraser(hctx); +} + +HID_BPF_OPS(xppen_artist_pro_16) = { + .hid_rdesc_fixup = (void *)hid_fix_rdesc_xppen_artistpro16gen2, + .hid_device_event = (void *)xppen_artist_pro_16_device_event, +}; + SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { diff --git a/drivers/hid/bpf/progs/hid_bpf.h b/drivers/hid/bpf/progs/hid_bpf.h index 1970faf84310..8c1cd9e25bc3 100644 --- a/drivers/hid/bpf/progs/hid_bpf.h +++ b/drivers/hid/bpf/progs/hid_bpf.h @@ -5,8 +5,10 @@ #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" +#define HID_BPF_DEVICE_EVENT "struct_ops/hid_device_event" +#define HID_BPF_RDESC_FIXUP "struct_ops/hid_rdesc_fixup" +#define HID_BPF_OPS(name) SEC(".struct_ops.link") \ + struct hid_bpf_ops name

struct hid_bpf_probe_args { unsigned int hid;