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Wed, 6 May 2026 06:32:50 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , "Moshe Shemesh" , Akiva Goldberger , , , , Gal Pressman , Dragos Tatulea Subject: [PATCH net-next V2 0/3] net/mlx5: ICM page management in VHCA_ID mode Date: Wed, 6 May 2026 16:32:36 +0300 Message-ID: <20260506133239.276237-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000A6731:EE_|IA0PR12MB8745:EE_ X-MS-Office365-Filtering-Correlation-Id: e85aeae1-c083-4f05-1b1f-08deab74094b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|36860700016|13003099007|56012099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 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:(13230040)(82310400026)(1800799024)(376014)(36860700016)(13003099007)(56012099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: D9dnDfMpSINR5cJnq0R7N/0esGvu0qFOAzSQl5l9ePgXzptk2wR8tLvLhJZ7cT2IAH/qkJ526T9Cip7+Fq+IcoUOKer1KW9QK2ubz2wpPVG/N+p1sSvi1lpuhBY7ooFqYCxDb8EneevsPKp84qEwrn3UxLvOK+wxCEy3138YxCCrhG80Zw2xLGfY+gwI3nXnebGrC5wt/n/fmazi9u8+cqss0rXWUPrQNjLOGwpSW3a2t8qHD/0iYswSAzpt6fLr2M3ONzo1USTu07+4EavdTwfHyJo7s9/AzxDg2zrV8loGW7lkB8SyrCiK9DdBde9hunHUTCzUCF2tVUBxIAxJpg0Aps7ih+hm13nAliIfNlEpPqjm5YYRmidDJBh09RdS/zEqW98hoNnKdDs6+hPplkWGM5sQZH5NaP97hhZageeexkHpTPgSjx9HFsP2N4Fd X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2026 13:33:19.2107 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e85aeae1-c083-4f05-1b1f-08deab74094b 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: MWH0EPF000A6731.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8745 Hi, Find detailed description by Moshe below. Regards, Tariq This series adds driver support for the VHCA_ID page management mode. When firmware and driver support this mode, ICM (Interconnect Context Memory) page management uses the device vhca_id as the function identifier in MANAGE_PAGES, QUERY_PAGES, and page request events instead of the legacy function_id + ec_function pair. Background Firmware can operate page management in two modes: FUNC_ID mode (current): Function identity is (function_id, ec_function). This remains the default and is used for boot pages and when the new mode capability is not set. VHCA_ID mode (new): Function identity is vhca_id only; ec_function is ignored. This aligns page management with the vhca_id-based model used by other firmware commands and simplifies identification on SmartNIC and multi-function setups. --- V2: - Cache vhca_id to type mapping to provide lockless lookup. - Store the resolved type on each fw_page at allocation time so reclaim and release paths read it directly without any lookup. - Reorder erase old key and insert new key on migrate function. - Fixed comment on mlx5_satisfy_startup_pages. V1: https://lore.kernel.org/all/20260501044156.260875-1-tariqt@nvidia.com/ Moshe Shemesh (3): net/mlx5: Relax capability check for eswitch query paths net/mlx5: Make debugfs page counters by function type dynamic net/mlx5: Add VHCA_ID page management mode support .../net/ethernet/mellanox/mlx5/core/debugfs.c | 39 ++- .../ethernet/mellanox/mlx5/core/esw/ipsec.c | 2 +- .../net/ethernet/mellanox/mlx5/core/eswitch.c | 49 +++- .../net/ethernet/mellanox/mlx5/core/eswitch.h | 8 + .../mellanox/mlx5/core/eswitch_offloads.c | 14 +- .../net/ethernet/mellanox/mlx5/core/main.c | 10 +- .../ethernet/mellanox/mlx5/core/pagealloc.c | 250 +++++++++++++----- include/linux/mlx5/driver.h | 9 + 8 files changed, 304 insertions(+), 77 deletions(-) base-commit: 7e0cccae6b45b12eaf71fc3ab8eb133bb50b28ad -- 2.44.0