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Mon, 14 Apr 2025 10:14:17 -0500 Received: from xcbalucerop40x.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Mon, 14 Apr 2025 10:14:15 -0500 From: To: , , , , , , , , CC: Alejandro Lucero , Martin Habets , Edward Cree , "Jonathan Cameron" Subject: [PATCH v13 20/22] sfc: create cxl region Date: Mon, 14 Apr 2025 16:13:34 +0100 Message-ID: <20250414151336.3852990-21-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250414151336.3852990-1-alejandro.lucero-palau@amd.com> References: <20250414151336.3852990-1-alejandro.lucero-palau@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD1:EE_|PH7PR12MB6611:EE_ X-MS-Office365-Filtering-Correlation-Id: 4ce4d9a9-25d6-4598-021a-08dd7b670714 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|7416014|1800799024; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Apr 2025 15:14:18.5359 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4ce4d9a9-25d6-4598-021a-08dd7b670714 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD1.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6611 X-Patchwork-Delegate: kuba@kernel.org From: Alejandro Lucero Use cxl api for creating a region using the endpoint decoder related to a DPA range specifying no DAX device should be created. Signed-off-by: Alejandro Lucero Reviewed-by: Martin Habets Acked-by: Edward Cree Reviewed-by: Jonathan Cameron --- drivers/net/ethernet/sfc/efx_cxl.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c index 7ad5d05a8e83..43154da5524a 100644 --- a/drivers/net/ethernet/sfc/efx_cxl.c +++ b/drivers/net/ethernet/sfc/efx_cxl.c @@ -112,10 +112,19 @@ int efx_cxl_init(struct efx_probe_data *probe_data) goto sfc_put_decoder; } + cxl->efx_region = cxl_create_region(cxl->cxlrd, cxl->cxled, 1, true); + if (IS_ERR(cxl->efx_region)) { + pci_err(pci_dev, "CXL accel create region failed"); + rc = PTR_ERR(cxl->efx_region); + goto err_region; + } + probe_data->cxl = cxl; return 0; +err_region: + cxl_dpa_free(cxl->cxled); sfc_put_decoder: cxl_put_root_decoder(cxl->cxlrd); return rc; @@ -124,6 +133,7 @@ int efx_cxl_init(struct efx_probe_data *probe_data) void efx_cxl_exit(struct efx_probe_data *probe_data) { if (probe_data->cxl) { + cxl_accel_region_detach(probe_data->cxl->cxled); cxl_dpa_free(probe_data->cxl->cxled); cxl_put_root_decoder(probe_data->cxl->cxlrd); }