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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Sep 2025 10:45:11.9041 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8ec5a9c9-e63b-48b5-a0aa-08ddfa8e45dd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000044AC.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5841 Content-Type: text/plain; charset="utf-8" Add fields for interrupt storm handling. Extend structure mlxreg_core_data with the following fields: 'wmark_cntr' - interrupt storm counter. 'wmark_window' - time window to count interrupts to check for storm. Extend structure mlxreg_core_item with the following field: 'storming_bits' - interrupt storming bits mask. Reviewed-by: Vadim Pasternak Signed-off-by: Ciju Rajan K --- include/linux/platform_data/mlxreg.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_= data/mlxreg.h index f6cca7a035c7..453c8dfd7eb9 100644 --- a/include/linux/platform_data/mlxreg.h +++ b/include/linux/platform_data/mlxreg.h @@ -131,6 +131,8 @@ struct mlxreg_hotplug_device { * @regnum: number of registers occupied by multi-register attribute; * @slot: slot number, at which device is located; * @secured: if set indicates that entry access is secured; + * @wmark_cntr: interrupt storm counter; + * @wmark_window: time window to count interrupts to check for storm; */ struct mlxreg_core_data { char label[MLXREG_CORE_LABEL_MAX_SIZE]; @@ -151,6 +153,8 @@ struct mlxreg_core_data { u8 regnum; u8 slot; u8 secured; + unsigned int wmark_cntr; + unsigned long wmark_window; }; =20 /** @@ -167,6 +171,7 @@ struct mlxreg_core_data { * @ind: element's index inside the group; * @inversed: if 0: 0 for signal status is OK, if 1 - 1 is OK; * @health: true if device has health indication, false in other case; + * @storming_bits: interrupt storming bits mask; */ struct mlxreg_core_item { struct mlxreg_core_data *data; @@ -180,6 +185,7 @@ struct mlxreg_core_item { u8 ind; u8 inversed; u8 health; + u32 storming_bits; }; =20 /** --=20 2.47.2