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Mon, 16 Dec 2024 10:11:16 -0600 From: To: , , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v8 18/27] sfc: get endpoint decoder Date: Mon, 16 Dec 2024 16:10:33 +0000 Message-ID: <20241216161042.42108-19-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241216161042.42108-1-alejandro.lucero-palau@amd.com> References: <20241216161042.42108-1-alejandro.lucero-palau@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Received-SPF: None (SATLEXMB04.amd.com: alejandro.lucero-palau@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002315:EE_|SN7PR12MB7024:EE_ X-MS-Office365-Filtering-Correlation-Id: bdb88d7a-5473-4050-091f-08dd1dec46bb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|1800799024|36860700013|921020; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(376014)(1800799024)(36860700013)(921020);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Dec 2024 16:11:19.1066 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bdb88d7a-5473-4050-091f-08dd1dec46bb 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: SJ1PEPF00002315.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7024 X-Patchwork-Delegate: kuba@kernel.org From: Alejandro Lucero Use cxl api for getting DPA (Device Physical Address) to use through an endpoint decoder. Signed-off-by: Alejandro Lucero Reviewed-by: Martin Habets --- drivers/net/ethernet/sfc/efx_cxl.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c index 253c82c61f43..724bca59b4d4 100644 --- a/drivers/net/ethernet/sfc/efx_cxl.c +++ b/drivers/net/ethernet/sfc/efx_cxl.c @@ -121,6 +121,14 @@ int efx_cxl_init(struct efx_probe_data *probe_data) goto err_memdev; } + cxl->cxled = cxl_request_dpa(cxl->cxlmd, true, EFX_CTPIO_BUFFER_SIZE, + EFX_CTPIO_BUFFER_SIZE); + if (IS_ERR(cxl->cxled)) { + pci_err(pci_dev, "CXL accel request DPA failed"); + rc = PTR_ERR(cxl->cxlrd); + goto err_memdev; + } + probe_data->cxl = cxl; return 0; @@ -137,6 +145,7 @@ 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_dpa_free(probe_data->cxl->cxled); cxl_release_resource(probe_data->cxl->cxlds, CXL_RES_RAM); kfree(probe_data->cxl->cxlds); kfree(probe_data->cxl);