Received: by 2002:ab2:6857:0:b0:1ef:ffd0:ce49 with SMTP id l23csp1153702lqp; Fri, 22 Mar 2024 07:08:58 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCWAEfQnOol7IlhTa0iGVI5fgtBDSX2y76fU/IFhE6WzMi9euvUH/b862OP9Bzq02lzNF42MNa5ST2Bxs75celrNVBaEiWdXlTaQ6NYtbQ== X-Google-Smtp-Source: AGHT+IECy8NtNjZQrAz6hfhlGxV9yLDytFKg1f4N/6LVVY5O9gNTHdk+aCVxB/Iqck41HxA4VKuz X-Received: by 2002:ad4:5742:0:b0:690:dc3b:179d with SMTP id q2-20020ad45742000000b00690dc3b179dmr3752211qvx.20.1711116537270; Fri, 22 Mar 2024 07:08:57 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1711116537; cv=pass; d=google.com; s=arc-20160816; b=L338fuZMnSYKlOA/46K0WVuOYqrJ3TKeRMdUMG0FsMuNHWyufWJlRP8jsud0Xscvr2 joAThLDpONbn0fj9qqNO2LizWVrDOHJbxVDmecEad4ciAB3OdJa7RZlZpGQG96dDPo+K WfRrD4K4P8TxwwE69BQdVyONK5fNEWpF8mQ+x5dsj/cDwCC/2071Y43dbPHoQ0v5Fc0V 1TwHxM/IMlm2siBCcNmovfa5Al+lMjdi25eI1m9yP3r6fLMri2rcpadd9rP2nxeRixvt aBrdtdNSMxHqaX0foE58M76OQnTCyuGiVVkn27K0EPu3xqpac0rkwbczYnbiymR4V8kJ IGKA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:message-id:date:subject:cc:to :from:dkim-signature; bh=sIa/GtogvqA0DYtww6Wk70bFxOMoH//TtEWfa7kprrI=; fh=Ncv56LDmRnTl7UCElWtUZC2S1x/3QVTSCd2gz10T0yc=; b=B+57u63nHuLQcL14FUmN80/irvAlHtVrR6N2rqmmqASf/Nge0wE2+ptIKccFXFCAqw Ol4zKtB8UO22I9m1pcjNyvdioV9ZetlCqkF1kr4sq3Iw2gXVekooiAT7LL+rjmW9M8l5 FaQDOIxEnmIEUYe7yllCK2JuiYg6xHKPS33Pi9cgUnXPI6OXWs7VHzvnmatWHaQ6Ca0W T7AaMolRAzo90xlRokjWzra1+rAszvNzm8mdw0vE8YlyYxTvedI8p8TBXY+xEdxkgBn9 7FZoajbWHf3+JL225ZUCyWGrFKVFsTAx2IM0Qq4rSlvmrY7BxZxPHirpptDcCcc5629e jkSA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=FSZWBTrB; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-111577-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-111577-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id gm2-20020a056214268200b006910a72721asi2074562qvb.131.2024.03.22.07.08.56 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Mar 2024 07:08:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-111577-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=FSZWBTrB; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-111577-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-111577-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id DDB4E1C20EFD for ; Fri, 22 Mar 2024 14:08:56 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D144447A58; Fri, 22 Mar 2024 14:08:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FSZWBTrB" Received: from mail-qv1-f54.google.com (mail-qv1-f54.google.com [209.85.219.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D0D746521; Fri, 22 Mar 2024 14:08:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711116522; cv=none; b=pJXxub+2WNA8SnSE/7ieR8lHkMD0x5znuxxRYsmd0qcZX7/WApOWvY5WM/vNbVqn2lksk5/wh28D5TZNUOYlr59xSZRSMtPzLiz/uFms2Fv8u3kYNWy7zq5vx1KBhlmgtGEMGwrFSys3B5GkmBRg44oPVDQZxTfXGM78R9+9+6c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711116522; c=relaxed/simple; bh=3KafjWtibLc3D6ji/Ov/mDWNEAagGDYV6htJE964lvQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SVSg8kk+IyHY+qV9wt/Nd23NomhNDe6CxoPv/QUg90PeRBW0QSlr1wiqrISDuKk7kyoiJEaall+J07prCYoifpA6bg9N+Y9cHeuf5tiN0Iw6x60VqGTBoOK2ASN+/pkOaLceOkwiPONqWR5bC3Is2uif9a3b2Hk1aMfeBSEjrjE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=FSZWBTrB; arc=none smtp.client-ip=209.85.219.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-qv1-f54.google.com with SMTP id 6a1803df08f44-69664c7f716so8318246d6.0; Fri, 22 Mar 2024 07:08:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711116519; x=1711721319; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=sIa/GtogvqA0DYtww6Wk70bFxOMoH//TtEWfa7kprrI=; b=FSZWBTrBlAfjEN8SuLop9SApKGAkBHvdtFyd5fuKmriSifGO0wh5dyh5yKhonUM6Tm InY94BQt1mjnlK0qNtfHYTHZQ2AEFNUktXIrJ8+45cYf7D3mYcCj8N0mXk6eZTQcpXKJ rGyf5Gg5lIl6kC0K/c4ne8ORqe2MxqTC4llI/qfB3tBoor9oqNVooWmgIzLJkiPYhEII rVBweyYT21MwzT+63XSLJ9ZfEwps8QB2fk8Jye9QMfGMt/ULnkzHrHh0E2Ly3xgC9StM NM6brjkbsiARKKVslw9nOBqfE6243O9sXlADbUboy9tk184zUXeg7E61juO57iYmFDBl 4sew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711116519; x=1711721319; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=sIa/GtogvqA0DYtww6Wk70bFxOMoH//TtEWfa7kprrI=; b=C0Bir1QsowYEEjhcV9CQqrcj18sosLDss+OzvuW4xVXkiI6NJI3yhXp2/zWyGv1nEN MSCHIzdYZbn5Ywpw8kBpV5v3kqjcikh22K3JTxNtoSWqPuGuE4R7aS8H9atEMVZZzt9w VeEf0pUgQeBYUDeS7sNp85et4Jlxb/ORAqDkZJtzuzNB1YK7SymTfUloVGkJjqyRvS9T eVmla6HtTE7dVSG2o4uZd9kfMJnjs+z+85QEFcaIjpxZPjyWsIzkhx62U9EvX0GM8UuA suKUEDwzE9aOyY51ArbWRjXzP59wMnSXF2bHPAul9aiXA0iKBWDvc6sDRm06HKzC8I2w +DUg== X-Forwarded-Encrypted: i=1; AJvYcCWcdCiG63fVsO5wILCznGVptP6aY3NJyke9zvf5DbM/fRyin3cJoOXTX3xMKTwDzBkKwSes+kHNknImbfJQCNAUymopWdf7bCDGpC50CZsniT7hNeuuAgMMr2JAe7zNII91SGg4NGEWEkuYg0kjKW56AOANLltowrAPOFJ0yQ== X-Gm-Message-State: AOJu0YzcJz6R8HaiQcMeF1Gh2jphvhWipD7Yla5PQjXZed+r0w35Nm0d NXFUStf0IoJewzta/Z94M5OZDGrsSeds3WujhfPPHilCWYOJehno X-Received: by 2002:ad4:5aac:0:b0:696:755f:c0cb with SMTP id u12-20020ad45aac000000b00696755fc0cbmr226217qvg.8.1711116519287; Fri, 22 Mar 2024 07:08:39 -0700 (PDT) Received: from l1441l.thefacebook.com ([2620:10d:c091:600::1:b4ee]) by smtp.gmail.com with ESMTPSA id kc22-20020a056214411600b0069124fff14esm1099508qvb.138.2024.03.22.07.08.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Mar 2024 07:08:39 -0700 (PDT) From: Daniel Hodges To: ast@kernel.org, pavel@ucw.cz, lee@kernel.org, linux-leds@vger.kernel.org, daniel@iogearbox.net, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Daniel Hodges Subject: [PATCH 0/3] leds: trigger: Add led trigger for bpf Date: Fri, 22 Mar 2024 10:08:13 -0400 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch set adds a new led trigger that uses the bpf subsystem for triggering leds. It is designed to be used in conjunction with a bpf program(s) that can modify led state through the use of bpf kfuncs. This is useful for providing a physical indication that a some event has occurred. In the context of bpf this could range from handling a packet to hitting a tracepoint. Daniel Hodges (3): leds: trigger: legtrig-bpf: Add ledtrig-bpf module selftests/bpf: Add selftests for bpf led programs leds: trigger: Add documentation for ledtrig-bpf Documentation/leds/index.rst | 1 + Documentation/leds/ledtrig-bpf.rst | 13 ++++ drivers/leds/trigger/Kconfig | 10 +++ drivers/leds/trigger/Makefile | 1 + drivers/leds/trigger/ledtrig-bpf.c | 72 +++++++++++++++++++ tools/testing/selftests/bpf/config | 1 + .../testing/selftests/bpf/progs/ledtrig_bpf.c | 28 ++++++++ 7 files changed, 126 insertions(+) create mode 100644 Documentation/leds/ledtrig-bpf.rst create mode 100644 drivers/leds/trigger/ledtrig-bpf.c create mode 100644 tools/testing/selftests/bpf/progs/ledtrig_bpf.c -- 2.43.0