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Mon, 25 Nov 2019 11:00:10 +0000 Received: from unknown-38-66.xilinx.com ([149.199.38.66] helo=xsj-pvapsmtp01) by xsj-pvapsmtpgw01 with esmtp (Exim 4.63) (envelope-from ) id 1iZC2v-00077Q-NL; Mon, 25 Nov 2019 02:56:45 -0800 Received: from [127.0.0.1] (helo=xsj-smtp-dlp1.xlnx.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1iZC2q-0000m2-CY; Mon, 25 Nov 2019 02:56:40 -0800 Received: from xsj-pvapsmtp01 (xsj-mail.xilinx.com [149.199.38.66]) by xsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id xAPAudeD025781; Mon, 25 Nov 2019 02:56:39 -0800 Received: from [10.140.6.59] (helo=xhdshubhraj40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1iZC2p-0000fS-Ae; Mon, 25 Nov 2019 02:56:39 -0800 From: shubhrajyoti.datta@gmail.com To: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org, corbet@lwn.net, gregkh@linuxfoundation.org, arnd@arndb.de, Shubhrajyoti Datta Subject: [PATCH 3/3] Documentation: short descriptions for Flexnoc Performance Monitor driver Date: Mon, 25 Nov 2019 16:25:52 +0530 Message-Id: <1574679352-2989-3-git-send-email-shubhrajyoti.datta@gmail.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1574679352-2989-1-git-send-email-shubhrajyoti.datta@gmail.com> References: <1574679352-2989-1-git-send-email-shubhrajyoti.datta@gmail.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-Result: No--8.169-7.0-31-1 X-imss-scan-details: No--8.169-7.0-31-1;No--8.169-5.0-31-1 X-TM-AS-User-Approved-Sender: No;No X-TM-AS-Result-Xfilter: Match text exemption rules:No X-EOPAttributedMessage: 0 X-Matching-Connectors: 132191532101927929;(f9e945fa-a09a-4caa-7158-08d2eb1d8c44);() X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(396003)(376002)(346002)(39860400002)(136003)(189003)(199004)(76482006)(107886003)(4326008)(73392003)(450100002)(26005)(11346002)(36756003)(2616005)(446003)(336012)(426003)(2361001)(81166006)(47776003)(50226002)(82202003)(2351001)(8676002)(9686003)(61266001)(81156014)(70206006)(498600001)(48376002)(55446002)(50466002)(9786002)(2906002)(356004)(305945005)(16586007)(5660300002)(316002)(6916009)(51416003)(76176011)(8936002)(70586007)(14444005)(6666004)(86362001);DIR:OUT;SFP:1101;SCL:1;SRVR:BN7PR02MB5012;H:xsj-pvapsmtpgw01;FPR:;SPF:SoftFail;LANG:en;PTR:unknown-60-83.xilinx.com;MX:1;A:1; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b114997a-bccc-4707-6139-08d77196a3af X-MS-TrafficTypeDiagnostic: BN7PR02MB5012: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:569; X-Forefront-PRVS: 0232B30BBC X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: tAyeaUfSO9mPat3akCuJ6JM8UeV9q0YOkCDnYEnYbC5vEoviwshxYkssfqgZ+1OjJGzqFMpAB5ZdF5XyU1ntMT9LPh8Uh/1IHmHMvoHeZAb9/NqOSOlkbkKv9ZXR2jmYjzdwIfKCCT0LkFjPsnja6ojwTw+xzlzP0VX59EX7G7yRXF3lqNb2W24ZapBvjj9X79mj+i9spxNtd5yGh4upDFAwAkvdRbXFazigoBX9AaEaf2ZWxrI2wqmliLeu13A5M1pfrR4bVjxxNYtLODRDxy1Sl9e1kzO7Zja0i5hB9mn5VVIYK8vZC5OHK1eV5BHHCcVvoHgwusOGCwM37q0gJ4JOhmInkzGciWu7OKjDj5FQz+l6cvijtYb+mOyH39NMdbbVjz9hO4C71jS7dQ8Tg38PRtEBKfG7IV+0sLGUmIdfs6qgoZb3aHnB4sT32Lgr X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2019 11:00:10.0296 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b114997a-bccc-4707-6139-08d77196a3af X-MS-Exchange-CrossTenant-Id: 5afe0b00-7697-4969-b663-5eab37d5f47e X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR02MB5012 Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org From: Shubhrajyoti Datta Add short documentation for FlexNoc Performance Monitor driver. Signed-off-by: Shubhrajyoti Datta --- Documentation/misc-devices/xilinx_flex.txt | 66 ++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/misc-devices/xilinx_flex.txt diff --git a/Documentation/misc-devices/xilinx_flex.txt b/Documentation/misc-devices/xilinx_flex.txt new file mode 100644 index 0000000..c075934 --- /dev/null +++ b/Documentation/misc-devices/xilinx_flex.txt @@ -0,0 +1,66 @@ +Kernel driver xilinx_flex +============================ + +Supported chips: +Versal SOC + +Author: + Shubhrajyoti Datta + +Description +----------- + +Versal uses the Arteris FlexNoC interconnect instead of the ARM NIC. FlexNoC +provides the capability to integrate performance counters in the interconnect. +It has configurable probe points to monitor the packet and forwards it to +observer for logging. It supports read and write transaction counts for +request and response. + +Features: +---> Run-time programmable selection of packet probe points. +---> Recording of traffic and link statistics. +---> Separate read and write response and request count. + +SYSFS: + +counteridfpd + RW - shows the counter number selected for the FPD Flexnoc. + +counterfpd_rdreq + RO - shows the read request count for the FPD counters. + +counterfpdsrc + WO - sets the source of the FPD counter. + +counterfpd_wrrsp + RO - shows the write response count for the FPD counters. + +counterfpd_rdrsp + RO - shows the read response count for the FPD counters. + +counterfpd_wrreq + RO - shows the write request count for the FPD counters. + +counterfpdport + WO - sets the port number selected for the FPD Flexnoc. + +counteridlpd + RW - shows the counter number selected for the LPD Flexnoc. + +counterlpdport + WO - sets the port number selected for the LPD Flexnoc. + +counterlpd_rdreq + RO - shows the read request count for the LPD counters. + +counterlpd_wrreq + RO - shows the write request count for the LPD counters. + +counterlpd_wrrsp + RO - shows the write response count for the LPD counters. + +counterlpdsrc + WO - sets the source of the LPD counter. + +counterlpd_rdrsp + RO - shows the read response count for the LPD counters. -- 2.1.1