From patchwork Tue Sep 10 14:43:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Tissoires X-Patchwork-Id: 13798661 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 5CE371A38F9; Tue, 10 Sep 2024 14:44:14 +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=1725979454; cv=none; b=qb3lleWqEeSihxYgvx3ocQlOKGEVuwWIO58yDdurvEF1juVeeNoGGGFlNgUIB63DtzKaTduhj+6JweAyK+pX8KIAbiKYT/3N62tAWI5TaFF+Mj5ccp4EH7Iz7fH6NZ8uMV0PW1tsh/VClbduSBk9jEcur+LqOUUb0+yVPdvVawo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725979454; c=relaxed/simple; bh=LmBG5BHGYdWXIOucMdHZKe5DqBhFcqK07cXblfY/l0Y=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rGPjdzdkS3RXHs3L3wc36SQsbeWpb5oY/ptTnwa6NO5ABskypcqMF8oarKUHaW8OfVjDEiQCp8ehWp+ibNY8+XHCHjLPdzV7wJ8VTpwmf34hO8DTvvPtfOPqO9FyixTjFaiwNdLHekxSaqmkw3HkgZwy8RUHs4d1x7MfNU8LqXA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=d1a24Ert; 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="d1a24Ert" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34A45C4CECE; Tue, 10 Sep 2024 14:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725979453; bh=LmBG5BHGYdWXIOucMdHZKe5DqBhFcqK07cXblfY/l0Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=d1a24ErtDm70VPJ1/SWrFe5tAMR7WPpUaynaU3xdzRJTFV6sMH/ZMS2vVQVQ5ybcm XKSbbcnmgj7TU6/AKRlHMD2reEwlnm35yz5Hoo78ogb05GU+YWQZYO4O6pw8uIfkqj 3CpU2eVxPebHErmS4Wr79PocLsi3ugvrBl7mKq0u8U4wzQpc3cclViAhEcypGaydvp MbI7w+7erasZTqeKKwRJ0Bq1DpUF9QhqtWKa9Bgu5bDki1q6jIsIXa/NHtN+ervRu/ B21zyh92Tlv+1p4aMJiRmo1eNfDuTQkH882m7B8bfE1tcM8jYdc/nCE5q81cwYojM5 klx6jykHzcasg== From: Benjamin Tissoires Date: Tue, 10 Sep 2024 23:43:47 +0900 Subject: [PATCH HID v2 11/11] selftests/hid: add test to disable hid-input Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240910-hid-bpf-hid-generic-v2-11-083dfc189e97@kernel.org> References: <20240910-hid-bpf-hid-generic-v2-0-083dfc189e97@kernel.org> In-Reply-To: <20240910-hid-bpf-hid-generic-v2-0-083dfc189e97@kernel.org> To: Jiri Kosina , Peter Hutterer , Vicki Pfau , Shuah Khan Cc: linux-input@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, Benjamin Tissoires X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1725979428; l=5547; i=bentiss@kernel.org; s=20230215; h=from:subject:message-id; bh=LmBG5BHGYdWXIOucMdHZKe5DqBhFcqK07cXblfY/l0Y=; b=0EYf1JyMDXPcGWcDKNKveACXh9M/f/oJ1DKRuDRxRsjir8szlhhgA+1DLiD8hRQ+kSHCgpOMe 56E2fUVaOkdAO24gPrhGHVcCacPQRl0wHVtYn6ZvXktAWdBnt9hJer/ X-Developer-Key: i=bentiss@kernel.org; a=ed25519; pk=7D1DyAVh6ajCkuUTudt/chMuXWIJHlv2qCsRkIizvFw= Add a test for the newly enabled feature to control the connect_mask of hid-generic. Signed-off-by: Benjamin Tissoires --- changes in v2: - amended for the new API --- tools/testing/selftests/hid/hid_bpf.c | 60 +++++++++++++++++++++- tools/testing/selftests/hid/progs/hid.c | 1 + .../testing/selftests/hid/progs/hid_bpf_helpers.h | 1 + 3 files changed, 61 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/hid/hid_bpf.c b/tools/testing/selftests/hid/hid_bpf.c index edc061b38528..41cacc30ef8b 100644 --- a/tools/testing/selftests/hid/hid_bpf.c +++ b/tools/testing/selftests/hid/hid_bpf.c @@ -4,6 +4,38 @@ #include "hid_common.h" #include +static const __u8 mouse_rdesc[] = { + 0x05, 0x01, /* .Usage Page (Generic Desktop) 0 */ + 0x09, 0x02, /* .Usage (Mouse) 2 */ + 0xa1, 0x01, /* .Collection (Application) 4 */ + 0x09, 0x02, /* ..Usage (Mouse) 6 */ + 0xa1, 0x02, /* ..Collection (Logical) 8 */ + 0x09, 0x01, /* ...Usage (Pointer) 10 */ + 0xa1, 0x00, /* ...Collection (Physical) 12 */ + 0x05, 0x09, /* ....Usage Page (Button) 14 */ + 0x19, 0x01, /* ....Usage Minimum (1) 16 */ + 0x29, 0x03, /* ....Usage Maximum (3) 18 */ + 0x15, 0x00, /* ....Logical Minimum (0) 20 */ + 0x25, 0x01, /* ....Logical Maximum (1) 22 */ + 0x75, 0x01, /* ....Report Size (1) 24 */ + 0x95, 0x03, /* ....Report Count (3) 26 */ + 0x81, 0x02, /* ....Input (Data,Var,Abs) 28 */ + 0x75, 0x05, /* ....Report Size (5) 30 */ + 0x95, 0x01, /* ....Report Count (1) 32 */ + 0x81, 0x03, /* ....Input (Cnst,Var,Abs) 34 */ + 0x05, 0x01, /* ....Usage Page (Generic Desktop) 36 */ + 0x09, 0x30, /* ....Usage (X) 38 */ + 0x09, 0x31, /* ....Usage (Y) 40 */ + 0x15, 0x81, /* ....Logical Minimum (-127) 42 */ + 0x25, 0x7f, /* ....Logical Maximum (127) 44 */ + 0x75, 0x08, /* ....Report Size (8) 46 */ + 0x95, 0x02, /* ....Report Count (2) 48 */ + 0x81, 0x06, /* ....Input (Data,Var,Rel) 50 */ + 0xc0, /* ...End Collection 52 */ + 0xc0, /* ..End Collection 53 */ + 0xc0, /* .End Collection 54 */ +}; + struct hid_hw_request_syscall_args { __u8 data[10]; unsigned int hid; @@ -59,6 +91,8 @@ struct specific_device { __u16 bus; __u32 vid; __u32 pid; + const __u8 *rdesc; + const size_t rdesc_size; }; FIXTURE_SETUP(hid_bpf) @@ -72,11 +106,15 @@ FIXTURE_SETUP(hid_bpf) .bus = BUS_BLUETOOTH, .vid = 0x05ac, /* USB_VENDOR_ID_APPLE */ .pid = 0x022c, /* USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI */ + .rdesc = mouse_rdesc, + .rdesc_size = sizeof(mouse_rdesc), }, { .test_name = "*", .bus = BUS_USB, .vid = 0x0001, .pid = 0x0a36, + .rdesc = rdesc, + .rdesc_size = sizeof(rdesc), }}; for (int i = 0; i < ARRAY_SIZE(devices); i++) { @@ -88,7 +126,7 @@ FIXTURE_SETUP(hid_bpf) ASSERT_OK_PTR(match); err = setup_uhid(_metadata, &self->hid, match->bus, match->vid, match->pid, - rdesc, sizeof(rdesc)); + match->rdesc, match->rdesc_size); ASSERT_OK(err); } @@ -914,6 +952,24 @@ static bool is_using_driver(struct __test_metadata *_metadata, struct uhid_devic return found; } +static bool has_hid_input(struct uhid_device *hid) +{ + char input[1024]; + DIR *d; + + sprintf(input, "/sys/bus/hid/devices/%04X:%04X:%04X.%04X/input", + hid->bus, hid->vid, hid->pid, hid->hid_id); + + d = opendir(input); + if (d) { + closedir(d); + + return true; + } + + return false; +} + /* * Attach hid_driver_probe to the given uhid device, * check that the device is now using hid-generic. @@ -927,10 +983,12 @@ TEST_F(hid_bpf, test_hid_driver_probe) }; ASSERT_TRUE(is_using_driver(_metadata, &self->hid, "apple")); + ASSERT_TRUE(has_hid_input(&self->hid)) TH_LOG("input node not found"); LOAD_PROGRAMS(progs); ASSERT_TRUE(is_using_driver(_metadata, &self->hid, "hid-generic")); + ASSERT_FALSE(has_hid_input(&self->hid)) TH_LOG("input node unexpectly found"); } /* diff --git a/tools/testing/selftests/hid/progs/hid.c b/tools/testing/selftests/hid/progs/hid.c index 9b22e9a0e658..7e24bec8ef43 100644 --- a/tools/testing/selftests/hid/progs/hid.c +++ b/tools/testing/selftests/hid/progs/hid.c @@ -603,6 +603,7 @@ SEC("?struct_ops.s/hid_rdesc_fixup") int BPF_PROG(hid_test_driver_probe, struct hid_bpf_ctx *hid_ctx) { hid_ctx->hid->quirks |= HID_QUIRK_IGNORE_SPECIAL_DRIVER; + hid_ctx->hid->quirks |= HID_QUIRK_IGNORE_HIDINPUT; return 0; } diff --git a/tools/testing/selftests/hid/progs/hid_bpf_helpers.h b/tools/testing/selftests/hid/progs/hid_bpf_helpers.h index 1a645684a117..9c3cfd61d992 100644 --- a/tools/testing/selftests/hid/progs/hid_bpf_helpers.h +++ b/tools/testing/selftests/hid/progs/hid_bpf_helpers.h @@ -91,6 +91,7 @@ struct hid_bpf_ops { #endif #define HID_QUIRK_IGNORE_SPECIAL_DRIVER BIT(22) +#define HID_QUIRK_IGNORE_HIDINPUT BIT(23) /* following are kfuncs exported by HID for HID-BPF */ extern __u8 *hid_bpf_get_data(struct hid_bpf_ctx *ctx,