From patchwork Thu Oct 31 17:58:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 11221677 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5861314E5 for ; Thu, 31 Oct 2019 17:58:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2E5662080F for ; Thu, 31 Oct 2019 17:58:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CG3giz99"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ATidlEjE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2E5662080F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=3+lTqq2HhsqzJgqapvk8Gz4KbcWkhSBv22DBeAJ3bRY=; b=CG3giz99MPigHUS+JoWJMzsUC0 oF8sejDGb8aFYSpVgbQotOS5P61kA8kS5TG2lyCDe+qEZEI+FT7GsnQPYvB6YoD4giHQ6Ud6sjLj/ MJ8P/m0IUckeGdpPN3tSKIlw13V+6nFQgMChp6tCfkrnkhRQerJpGFadv1Jx7dZggu+dwbKM4MTe7 0ZrQyr6wiBBKZ5Wor2o4MjJMlR2ohADWuDaM7YuVaQo8GUoF6RpAcHXXt8m61//dhH54+tY+u14SV OkKtWtc5NZzXjQ4NtY3n8Er7Krp/lA2wVFl6CkkvE9NLj+vGs5MEx3k080r96UJkATNsTvWG39NF+ lksRoXDg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iQEif-0008IP-L3; Thu, 31 Oct 2019 17:58:49 +0000 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iQEiU-00088S-A1 for linux-arm-kernel@lists.infradead.org; Thu, 31 Oct 2019 17:58:39 +0000 Received: by mail-pf1-x441.google.com with SMTP id q26so4855415pfn.11 for ; Thu, 31 Oct 2019 10:58:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/ws48OPfYIJsP3hLi0od0xxVO+NdaAYQZFQkL5nisiM=; b=ATidlEjEqD00UPJarL+ncmaSsGAlcuIP8YB2LTb+0EVSJWNqesZQj6dFeAV7iSzX91 BvzrjMRoTBs2lfTwKEYXe1AaDvKWhphMavrmAx2ZYd0y/qHStcqHTKuY9klBNyRDp0j3 q2YmpFczqJajz69+imTNDU0LtX4QTyHZXLV6dtzD+Ya50UY7DaX8YXNtRWGQaBopGBsx s8AtgTZTQZnO7FZ+f7A9fbcxsCQUnsTIY5Ba3i+Gxs/cfmQvb7hxQu035hpAq+jaakyJ 4Vo1yK6PH210LLJPYdll0hlBzeYvNDkd3//aqYIpb++z5Xwas2SMkC0E0aBx9AUuY7Rx Sbnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/ws48OPfYIJsP3hLi0od0xxVO+NdaAYQZFQkL5nisiM=; b=quYr6wPhZwWsYxTPyHcv/o7boYSjtqavMzEkA9ulE3Nu5+gx1f/HTq/eeyzQhCCC3k 34Ex5kb65LZHh5viABGHaDorf3bo5O+pslNggsMOTYQfdGhw0t8/k+kdAaUU537aPCns 4LvdVY2Idz9fBoUjQP0y7ZNzBJNGsRs3jzYd29bZd8P4i8F3x7aLeE6dAWQrXMDF9HY3 4+pWVaCfJT4g294Em+5YKIhb0sNakEkTAi8X1FczPx9s/S7xcMDC8fMyzStEiDD+kCpT YlVmnGYyzbIYe79GqlG3+qLvkJy98AuZ111V6CE+OYLxJDU44KqdqMb9tygqjU8MhpWN rm9w== X-Gm-Message-State: APjAAAWyKrrx/jGh6gS2IgU7ww/Gbtu7BjLqtFCAfBmM9nyWf5gyhk9x Vy0fBizozrUeFjUvbv3HaRkbRG3t9yA= X-Google-Smtp-Source: APXvYqxQs8ZQ5Ruv/C9/lnpJ42h8VwAa6x+pIpe8aXf0grM0GwA7KunaMBdVfcWHB/0EeZDApjFciA== X-Received: by 2002:a63:65c6:: with SMTP id z189mr7889040pgb.433.1572544717693; Thu, 31 Oct 2019 10:58:37 -0700 (PDT) Received: from xps15.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id c6sm4382210pfj.59.2019.10.31.10.58.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Oct 2019 10:58:37 -0700 (PDT) From: Mathieu Poirier To: corbet@lwn.net Subject: [PATCH 2/4] coresight: etm4x: docs: Update ABI doc for new sysfs etm4 attributes Date: Thu, 31 Oct 2019 11:58:32 -0600 Message-Id: <20191031175834.17548-3-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191031175834.17548-1-mathieu.poirier@linaro.org> References: <20191031175834.17548-1-mathieu.poirier@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191031_105838_347164_DDC3D05C X-CRM114-Status: UNSURE ( 8.75 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:441 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mike.leach@linaro.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Mike Leach This updates the ABI document to reflect recent additions to the ETM4.X driver sysfs interface. Signed-off-by: Mike Leach [Updated Date and KernelVersion fields] Reviewed-by: Mathieu Poirier --- .../testing/sysfs-bus-coresight-devices-etm4x | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x index 9290010e973e..614874e2cf53 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x @@ -282,6 +282,53 @@ Contact: Mathieu Poirier Description: (RW) Mask for all 8 virtual machine ID comparator value registers (if implemented). +What: /sys/bus/coresight/devices/etm/addr_exlevel_s_ns +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (RW) Set the Exception Level matching bits for secure and + non-secure exception levels. + +What: /sys/bus/coresight/devices/etm/vinst_pe_cmp_start_stop +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (RW) Access the start stop control register for PE input + comparators. + +What: /sys/bus/coresight/devices/etm/addr_cmp_view +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (R) Print the current settings for the selected address + comparator. + +What: /sys/bus/coresight/devices/etm/sshot_idx +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (RW) Select the single shot control register to access. + +What: /sys/bus/coresight/devices/etm/sshot_ctrl +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (RW) Access the selected single shot control register. + +What: /sys/bus/coresight/devices/etm/sshot_status +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (R) Print the current value of the selected single shot + status register. + +What: /sys/bus/coresight/devices/etm/sshot_pe_ctrl +Date: December 2019 +KernelVersion: 5.5 +Contact: Mathieu Poirier +Description: (RW) Access the selected single show PE comparator control + register. + What: /sys/bus/coresight/devices/etm/mgmt/trcoslsr Date: April 2015 KernelVersion: 4.01