Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp3508989pxf; Mon, 29 Mar 2021 04:22:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyTeg6RCUiqoJFs+8MnPrIyjtUcVERUh+2R9AWt98vO4YFpEmOOk6cr6K78bApodmgTEUx4 X-Received: by 2002:a17:906:4d96:: with SMTP id s22mr27864140eju.189.1617016931770; Mon, 29 Mar 2021 04:22:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617016931; cv=none; d=google.com; s=arc-20160816; b=dBl3f7ysvXWrRaEipc9KWCFLdnTt2e9dI0WfBa/8T79pXMuDdSSW7RKMOdYhg7HqbY r3rRMTUoEzHUIx90r4CWX58MISXHlggjAmJ8i7RMtV4PTw4iVbCkqS5UWGsvay+xZZSq ZougYeuZUYbebkf/fZvnEaiS0+X2g4h3iFBGZQ+vdGLCNziun2n3lr/rr1SWrUZbaOxw QRAmnKkFqeDNeU5qKGK5zNBykTjtvNJioejvjpCFp+097erTaWAXbu/4JkP6CrCdwqqM Wv7DHoIaY1bdhUup3wdr2tCLnyUiSw4xKRVfKIB7ywPBxo7Iljne7mcjj85A4luNJOLs 1GtA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=pnuB11flyi0Xk5ygTKMGySf//d4PDjncX+wgxRayjiU=; b=golCTe+6LwmJGhOHbOBeMsF0zJyl+k/9PytX1PfDTVrMOwS8vB3Tl3C4stMNacXRNk ujJjxvBifrRyR5Eb5Vi32OzWZ0TkTR2tws6bWB4FM56Yfurm00K3claObTFUA6AFENOc Y8AjtYlJBiLJBdo8MIDoqQRZlqy6bZBohCTchgyEAyOSarraFVZ6jW+oFDdUc5IA2sMQ Leg2p7rOAXYZeYwMOLdkRjx75Uh2AgoTp04wG7GUMYezMlmsPZeRaTQiCf8tUUQDgwIr iCnhPhkcD7VyASao/AZceBlVO26+dg8fXh6YlvD7hHug7utN68ADveakYAWJy9V4YK/7 rD6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=MnleN+ma; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=synopsys.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id pv13si11584135ejb.531.2021.03.29.04.21.49; Mon, 29 Mar 2021 04:22:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=MnleN+ma; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=synopsys.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbhC2LSj (ORCPT + 99 others); Mon, 29 Mar 2021 07:18:39 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.73.133]:46732 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232208AbhC2LSD (ORCPT ); Mon, 29 Mar 2021 07:18:03 -0400 Received: from mailhost.synopsys.com (mdc-mailhost1.synopsys.com [10.225.0.209]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 8714C405C4; Mon, 29 Mar 2021 11:18:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1617016683; bh=iSxtzBdDE2cJnjE+FKkXJyxRBdv7BWhqnOaNUTMnKw0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=MnleN+marL8tlDKG4oFA9Ec6DYnbs2I4LGW2YLQ4dFBxr64tLtSQOBYOdjl+vgrSv 1ppTkZS2ylh463eR28qs3/ykZLV9D9lS8P1axZXoLiTbsgnMjL4yHa0P/nrcmIB0lL 0M9Z0jRQ7Zp8JAzXstnVD5um6kpEcIs17H0tFLv2hMkADjiKkTNZUSfGI1PxDmhAHE 1FGf2Z9/3cLnetvbiPy3xylm5Rn2zfmKQcFJ5XdbsPgDaUqSz48L5eWmw6FXuyGlsA Bair0CdR+WnTip2UaGAEoEetT8DzzYf4OCRBsm9uczPg7ZVfwE6gmcDcv76veTgwP9 vclu1ob9qiZsA== Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by mailhost.synopsys.com (Postfix) with ESMTP id 4D74EA022E; Mon, 29 Mar 2021 11:18:02 +0000 (UTC) X-SNPS-Relay: synopsys.com From: Gustavo Pimentel To: linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Andrew Morton , Greg Kroah-Hartman , Jonathan Corbet , Bjorn Helgaas , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= Cc: Gustavo Pimentel Subject: [PATCH v10 4/4] docs: ABI: Add sysfs documentation interface of dw-xdata-pcie driver Date: Mon, 29 Mar 2021 13:17:48 +0200 Message-Id: <438c4ca9f6cc9e1cb29a65c0d2cca9a3d3f181b1.1617016509.git.gustavo.pimentel@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch describes the sysfs interface implemented on the dw-xdata-pcie driver. Signed-off-by: Gustavo Pimentel --- Documentation/ABI/testing/sysfs-driver-xdata | 49 ++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-xdata diff --git a/Documentation/ABI/testing/sysfs-driver-xdata b/Documentation/ABI/testing/sysfs-driver-xdata new file mode 100644 index 00000000..f574e8e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-xdata @@ -0,0 +1,49 @@ +What: /sys/class/misc/drivers/dw-xdata-pcie./write +Date: April 2021 +KernelVersion: 5.13 +Contact: Gustavo Pimentel +Description: Allows the user to enable the PCIe traffic generator which + will create write TLPs frames - from the Root Complex to the + Endpoint direction or to disable the PCIe traffic generator + in all directions. + + Write y/1/on to enable, n/0/off to disable + + Usage e.g. + echo 1 > /sys/class/misc/dw-xdata-pcie./write + or + echo 0 > /sys/class/misc/dw-xdata-pcie./write + + The user can read the current PCIe link throughput generated + through this generator in MB/s. + + Usage e.g. + cat /sys/class/misc/dw-xdata-pcie./write + 204 + + The file is read and write. + +What: /sys/class/misc/dw-xdata-pcie./read +Date: April 2021 +KernelVersion: 5.13 +Contact: Gustavo Pimentel +Description: Allows the user to enable the PCIe traffic generator which + will create read TLPs frames - from the Endpoint to the Root + Complex direction or to disable the PCIe traffic generator + in all directions. + + Write y/1/on to enable, n/0/off to disable + + Usage e.g. + echo 1 > /sys/class/misc/dw-xdata-pcie./read + or + echo 0 > /sys/class/misc/dw-xdata-pcie./read + + The user can read the current PCIe link throughput generated + through this generator in MB/s. + + Usage e.g. + cat /sys/class/misc/dw-xdata-pcie./read + 199 + + The file is read and write. -- 2.7.4