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Fri, 7 Jun 2024 03:21:25 -0700 From: Shravan Kumar Ramani To: Hans de Goede , Ilpo Jarvinen , Vadim Pasternak , "David Thompson" CC: Shravan Kumar Ramani , , Subject: [PATCH v3 4/4] Documentation/ABI: Add new sysfs fields to sysfs-platform-mellanox-pmc Date: Fri, 7 Jun 2024 06:21:14 -0400 Message-ID: X-Mailer: git-send-email 2.30.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002310:EE_|PH7PR12MB6490:EE_ X-MS-Office365-Filtering-Correlation-Id: 58ca0e20-a69d-41e4-52d0-08dc86db9f97 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|82310400017|1800799015|376005|36860700004; X-Microsoft-Antispam-Message-Info: hmB7RQlv4+BVjcW4sMVTS3Ro7L0nPQsfM1JD8q7PhTRRga/SOAVzj+yjQ43z9iZ9xwZJSnhZNTOv1HS1vuYA1cJdjIjgyD0HDdWjN+9u8IAS4XqNUJjVM9Koncmh6uKkVHhCF3cVdm4wFFmJYLgB5PAC0aHetW1rZ6KIiTDEXWATLq0ZTFPEazWqO6n9rS3y4C/QyFGY8ZIxNl5mp9kkZvVooMpG2aoTITnDLLjhhx5eCLNDXQYG4NpPEohSaTBZUEkiU9aLw0t6qczLCHiKAPYqLk0bzrBI2gFy0YQPUGwSdFTcIdat9RytS/1W9peRTgFKYuyhZj4RjCmOqv3fTZDT2eBte6bTu62wQ6YJTxhKRAwcuZOYBKLJr1uURHmqr1Y/b+U4M6K9tnwBOG+uUUerMlD/WOdBcK9ZKPaw9Pv9V3p5XR28y2Ouv3cA4z7umI3ofMR48+wnZ7ee40pbtDnik3aHDGDWP0TYk919ChgNXowPO2psBS97TN0kvba+yOF+aS6mxpay/Du6lN9ZguF+gD3dod73B1vnffgqxBVsr+sBY6LmNDtuqswxFhz1Nx0l5XC0Hq6YoJEHeZO82T9yIDqeF+aGB7k/wzUnxQvY3KOhN15DN/+Z9s4I3Pey1qC/TFPgJIXkjWYBvXrvhll6G5dlWlTu5JH5kzarLxqaQkVzSwudxS76L3gVs0kgCrO1PmFkPUYIkd4k3RzcAg3j2fDjkWaOcMD1bC/pvzOxQmHVpvl9ineaLmeE5cmLg1ZcVXfT3RvuG1yyi2N9v9AGdH2qNM852Jh9+GgBhS6jR6VimOrI+Gr8l3bjUUFiN/RbXcrpMRtzhmjQ/nP6VISNpk/k0JXaG7wsHkgy8BO6HKMEIyPnUMTnPlPKByrMfilKDYTMZP/YTl35NcTOX22HxzLgDjhebgCf0bqn7YOvxbE9qkW4G/ebIX5SsO84nsQcBXq2RyzIL9+SRmXqFNq5qOmCf68YJ28s2TeDZhK2c35HS/vnC/AzWrCd6qTMJ9BTUurE0sp/7AgGIMoVd8lnTwEEbQfnozo32L2vSAzC9KBeeR+zrCbJWydvPmEqc+NDLB2By1iojPCfpZ+DAV+fRFvMToMosgqiol6242hKrLhDuECy3KhejvJyNUCRrmtcUQWKsTQWNMfCNDR0HJqjXNLY9tpST9YSsBl0qAu+y+vxgxDsQTHTE+n02y09gW3lTadadfjJiqfEhEH4HEn6C1huxEbLm+e6bgH6vYAc6OWdKLI6f0B7OmodtjLt2bACgLsftNDZm1eltYbGaXon9rG6qd7jeiNAyZo6uAmg6UG+QBpgtYHd6TXZyjh+2pf/rr8z6bxnFf1kOyqIljmU4AOkJ688EhipjZTDiH2oruvmHXsXGA3zYOqClA/0GiA1GyBcZ+3XvcwYLHQ0+g== X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230031)(82310400017)(1800799015)(376005)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jun 2024 10:21:41.2753 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 58ca0e20-a69d-41e4-52d0-08dc86db9f97 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002310.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6490 Document newly added "count_clock" and "use_odd_counter" sysfs entries for the Mellanox BlueField PMC driver. Signed-off-by: Shravan Kumar Ramani Reviewed-by: David Thompson --- .../ABI/testing/sysfs-platform-mellanox-pmc | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-platform-mellanox-pmc b/Documentation/ABI/testing/sysfs-platform-mellanox-pmc index 9f987c6410da..ee03d066c0d9 100644 --- a/Documentation/ABI/testing/sysfs-platform-mellanox-pmc +++ b/Documentation/ABI/testing/sysfs-platform-mellanox-pmc @@ -52,3 +52,26 @@ Description: Writing 0 to the sysfs will clear the counter, writing any other value is not allowed. +What: /sys/bus/platform/devices//hwmon/hwmonX//count_clock +Date: May 2024 +KernelVersion: 6.10 +Contact: "Shravan Kumar Ramani " +Description: + Use a counter for counting cycles. This is used to repurpose/dedicate + any of the counters in the block to counting cycles. Each counter is + represented by a bit (bit 0 for counter0, bit1 for counter1 and so on) + and setting the corresponding bit will reserve that specific counter + for counting cycles and override the event setting. + +What: /sys/bus/platform/devices//hwmon/hwmonX//use_odd_counter +Date: May 2024 +KernelVersion: 6.10 +Contact: "Shravan Kumar Ramani " +Description: + Form 64-bit counter using 2 32-bit counters. This is used to combine + 2 adjacent counters to form a single 64-bit counter. Each even counter + is represented by a bit and setting the bit will join the corresponding + even counter with the next (odd) counter. The full 64-bit value can be + accessed using the same 2 counter and counter sysfs, with each + of them holding the lower and upper 32 bits respectively. +