From patchwork Sat Jun 8 09:01:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Tissoires X-Patchwork-Id: 802856 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 86E2117B43C; Sat, 8 Jun 2024 09:01:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717837298; cv=none; b=YLn/JZF4kW/nBFOP4+0Jo+B7FSodYzbnml2St2QWvxHknXu1EeSx0O/ee71cCvky3Pe1aicIpgWkhMO2ykGu9vjjS5Pqb44iFeL+rs8UyhiA0qJ1zSHNRkVInXLKNx6IwpcD8xUlkcLT52CznoaLYAWP5IJjvm89A/5u5lTBLIo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717837298; c=relaxed/simple; bh=kP6WWoVTUSGh7I12vcXXq3MMA4Yy0zcq/ss058SAxFY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=D4gcGgdxFBkFPZvljl4uFOlnxeo9VLVsOZ1suyoWv26Ac71xF54nUhAaj0hA2oQaJTOHPmq5srzXfjivk4ax9rTE++QKJsxJIeBW8cofsU1bWOZgAQta9dNgmbYBFwUgJIk/gJeXh+ud4P5586mZ/sd7xGKU1ZXTM1oFddgUEvg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lcKkq94d; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lcKkq94d" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40C3AC4AF07; Sat, 8 Jun 2024 09:01:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717837298; bh=kP6WWoVTUSGh7I12vcXXq3MMA4Yy0zcq/ss058SAxFY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=lcKkq94dHCcxlxzuKCI+jRfxQ8F5VWlEa05gbxeLvXbXpMgE85kE3W6cguAlj1y8d silovsEO6f6JVr5BZHEHH1qo0nu7/9aCdPbNzqCsyJMS7yi8NcOuzap0KbZf0ZQljD YHDdo61dB7tQ2ZdlPYOakVTL7qdJ35O8qwMonSWN7FNw1VSIo/rEZReAByOBqHq3m0 akFAAjxbT/usr5pX9WzZ1UgrSGelYItqParYWeInAwoX89/meQXrWQLpKOWw8T38Bv PpI4yw+j5rBGKBtkxjwWgL+P4X1p4msSKvvZD/CiNGBFC4gHYlURg+Y0KRfmp2apk3 kwaYTjlS0cdBg== From: Benjamin Tissoires Date: Sat, 08 Jun 2024 11:01:19 +0200 Subject: [PATCH HID v3 07/16] HID: bpf: convert in-tree fixes into struct_ops Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240608-hid_bpf_struct_ops-v3-7-6ac6ade58329@kernel.org> References: <20240608-hid_bpf_struct_ops-v3-0-6ac6ade58329@kernel.org> In-Reply-To: <20240608-hid_bpf_struct_ops-v3-0-6ac6ade58329@kernel.org> To: Shuah Khan , Jiri Kosina , Jonathan Corbet , Alexei Starovoitov 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 X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1717837279; l=7104; i=bentiss@kernel.org; s=20230215; h=from:subject:message-id; bh=kP6WWoVTUSGh7I12vcXXq3MMA4Yy0zcq/ss058SAxFY=; b=CLiirSSfksv1tnOdj5fMsysLLhk3ORObbzg9oxbrIR2k5sdghRvX/9Ellm84eu4RbUAQgj9pe rCOS2+hPT2hCgrqkYa+4Q27oolukh3J5Cn5Te42LyjDzs8L1pdWLqeB X-Developer-Key: i=bentiss@kernel.org; a=ed25519; pk=7D1DyAVh6ajCkuUTudt/chMuXWIJHlv2qCsRkIizvFw= 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 --- no changes in v3 no changes in v2 --- 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;