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Thu, 9 Jan 2025 12:43:54 -0800 From: Tariq Toukan To: Saeed Mahameed , Leon Romanovsky , Jason Gunthorpe CC: , , Jakub Kicinski , Gal Pressman , Mark Bloch , Moshe Shemesh , Akiva Goldberger , Tariq Toukan Subject: [PATCH mlx5-next 4/4] net/mlx5: Add nic_cap_reg and vhca_icm_ctrl registers Date: Thu, 9 Jan 2025 22:42:31 +0200 Message-ID: <20250109204231.1809851-5-tariqt@nvidia.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20250109204231.1809851-1-tariqt@nvidia.com> References: <20250109204231.1809851-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0E5:EE_|MN0PR12MB5715:EE_ X-MS-Office365-Filtering-Correlation-Id: 14e2b024-31be-4372-5409-08dd30ee5bb7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jan 2025 20:44:05.3694 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 14e2b024-31be-4372-5409-08dd30ee5bb7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0E5.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5715 From: Akiva Goldberger Add nic_cap_reg and vhca_icm_ctrl registers interfaces for exposing ICM consumption. Signed-off-by: Akiva Goldberger Reviewed-by: Moshe Shemesh Signed-off-by: Tariq Toukan --- include/linux/mlx5/driver.h | 2 ++ include/linux/mlx5/mlx5_ifc.h | 22 +++++++++++++++++++++- 2 files changed, 23 insertions(+), 1 deletion(-) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 8f6fe29bc4be..b957391529b3 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -163,7 +163,9 @@ enum { MLX5_REG_MRTCQ = 0x9182, MLX5_REG_SBCAM = 0xB01F, MLX5_REG_RESOURCE_DUMP = 0xC000, + MLX5_REG_NIC_CAP = 0xC00D, MLX5_REG_DTOR = 0xC00E, + MLX5_REG_VHCA_ICM_CTRL = 0xC010, }; enum mlx5_qpts_trust_state { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index d7c91f152735..2a40b1fd50e8 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1830,7 +1830,7 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 regexp_params[0x1]; u8 uar_sz[0x6]; u8 port_selection_cap[0x1]; - u8 reserved_at_251[0x1]; + u8 nic_cap_reg[0x1]; u8 umem_uid_0[0x1]; u8 reserved_at_253[0x5]; u8 log_pg_sz[0x8]; @@ -3327,6 +3327,14 @@ struct mlx5_ifc_dropped_packet_logged_bits { u8 reserved_at_0[0xe0]; }; +struct mlx5_ifc_nic_cap_reg_bits { + u8 reserved_at_0[0x1a]; + u8 vhca_icm_ctrl[0x1]; + u8 reserved_at_1b[0x5]; + + u8 reserved_at_20[0x60]; +}; + struct mlx5_ifc_default_timeout_bits { u8 to_multiplier[0x3]; u8 reserved_at_3[0x9]; @@ -3363,6 +3371,18 @@ struct mlx5_ifc_dtor_reg_bits { u8 reserved_at_1c0[0x20]; }; +struct mlx5_ifc_vhca_icm_ctrl_reg_bits { + u8 vhca_id_valid[0x1]; + u8 reserved_at_1[0xf]; + u8 vhca_id[0x10]; + + u8 reserved_at_20[0xa0]; + + u8 cur_alloc_icm[0x20]; + + u8 reserved_at_e0[0x120]; +}; + enum { MLX5_CQ_ERROR_SYNDROME_CQ_OVERRUN = 0x1, MLX5_CQ_ERROR_SYNDROME_CQ_ACCESS_VIOLATION_ERROR = 0x2, -- 2.45.0