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Mon, 14 Apr 2025 10:14:07 -0500 From: To: , , , , , , , , CC: Alejandro Lucero , Zhi Wang , "Jonathan Cameron" , Ben Cheatham Subject: [PATCH v13 15/22] cxl: make region type based on endpoint type Date: Mon, 14 Apr 2025 16:13:29 +0100 Message-ID: <20250414151336.3852990-16-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: BL02EPF0001A106:EE_|CY3PR12MB9555:EE_ X-MS-Office365-Filtering-Correlation-Id: 4f680b81-79b4-423c-ce6d-08dd7b6701bb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|7416014|1800799024; X-Microsoft-Antispam-Message-Info: XYwN0/vqecNfWKlcVrVPHolSlOcAWwYVcGAFV2A/Mq5rYKhKt6juMGb+qRJyiyOucxrxKsFRWWKleHnMXhPq2BoGhaVIFHBhBzUVjZvJJn3o8dNtmUwZZQtLEeZEmYC4Fdi+rurTn/1g5T6ehmb1V+GTxZW6N3PEQ746DzqDRReR6eQsATfbcLnmjkNpqRG6JFFdpYLcjsrelkFqWv6zb4cjzFR6UHOl8D1pYQqpIQMTRu3MhB5nY0lTyuX4TdDnW9p3FJRwnMJE/lpAhmhmA9faulR+3w48Or4EFes0vEE1nEmTWmWpvN7ttU+q0g3HDwMh6dSM++kzYJlnlzDaEpVl8zd3k/ci5d34vVhYvijOy8PokL5QsOthQwtehDWGNEo4EbUq2CbtUrT/DjX1mAwsrYh3lGONdli7Hpqh25LsfmTzMkNWRfvTX9WMZaz3QOlq0sUjCaOYXy6oaLWFVtytJCgsFOAcHXgr1LUBsM7xlR2YCIO/1ueFUTt5mUjBVdO4kdzWmtihi76EPmqvfsEflQ1kaYV2Wg/w9TvrU4WKMHVK6NOWkCUUI36RJHKY/h4yygabqzC6owtX/F7SxjKeAQUAT2UnYsspKa4XSHv9gmcLQSe77dEMPU0f+TDCBjKoDVoZBjaxNYMrUYKv9sfhcNtcAhVLIfxBVGk4f1QOJ+j7d8sdRt98s9pvGWTRbgMoWQnS4q91cdzAzw8jdNwkUt2NYwZDYl141w/mire3iT2gjNwWQgBU1AsXOOzdMejLK9hUwf+KNnJvqw6aRKxGeycfBF6CoOeStixLZISzYN92nWco0FpfOIOENq00iCKKNgFMHa6083ePNIne5EMxy2V1Yek3TbqH1/EhpWoRU9rfz/NHKTs5jBorEBYN8L4pLNAdeDhAtAvEUrPpEQyRnuuV7wVbbaTyK8+RA05v2V+bpW+3Z/cgZBfWmMlZB5lYXZOGcpI0CrPD4YArFrX8KjC/yUaB6tN/qH7ml4Fv+y8BlcVE4MNG7/R8O0/4xlIgOpwSrhgdJWLB8E9vLWv34YSlg48GKwfiW662c259sh1alpOUwGIgIo1vgvjB27yEpfUkZSAswnu3XQrxnF2SLcgEPTnx5DBAh+zeMaLKUXVVio/1GS7ZP13Kj4vjmUchY+WdMbkUDuj3BWgaJG3Pbow/4A/6ZoIGu723PpJ/i18hNsyLu8ODM7BOS7zzExgw4dBeCk0CTk3g3IQTT+gCeTZ1hWYck/WBSHkk0BvpdNiyNj7PncLAyP85hk7EZaEkzBs/cjmBgXPI+yu6kBRAI/6qnAhOosGDsLxkFVZ0Sdej2VyaFJjwZeHDDXnItZrINdSxqKyUpKzx/HjOWVyyEfEkmwCRh7UBPd7iM0wjiLPsByWKhVvYCsz83LmktjrV7X04OiVChaaCM/WdcJXbsQ4HzdcEigfQTKFW7SLhYOuJu2G6rhKADaGE7ceI+lpgmEYeibevVxTnF/anwcB1/+J5hvPwpmPKKV7mKdAjtan7bZNMkx79H+twoQ2L X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(376014)(7416014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Apr 2025 15:14:09.6474 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4f680b81-79b4-423c-ce6d-08dd7b6701bb 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A106.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY3PR12MB9555 From: Alejandro Lucero Current code is expecting Type3 or CXL_DECODER_HOSTONLYMEM devices only. Support for Type2 implies region type needs to be based on the endpoint type instead. Signed-off-by: Alejandro Lucero Reviewed-by: Zhi Wang Reviewed-by: Dave Jiang Reviewed-by: Jonathan Cameron Reviewed-by: Ben Cheatham --- drivers/cxl/core/region.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 0a9eab4f8e2e..6371284283b0 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2712,7 +2712,8 @@ static ssize_t create_ram_region_show(struct device *dev, } static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd, - enum cxl_partition_mode mode, int id) + enum cxl_partition_mode mode, int id, + enum cxl_decoder_type target_type) { int rc; @@ -2734,7 +2735,7 @@ static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd, return ERR_PTR(-EBUSY); } - return devm_cxl_add_region(cxlrd, id, mode, CXL_DECODER_HOSTONLYMEM); + return devm_cxl_add_region(cxlrd, id, mode, target_type); } static ssize_t create_region_store(struct device *dev, const char *buf, @@ -2748,7 +2749,7 @@ static ssize_t create_region_store(struct device *dev, const char *buf, if (rc != 1) return -EINVAL; - cxlr = __create_region(cxlrd, mode, id); + cxlr = __create_region(cxlrd, mode, id, CXL_DECODER_HOSTONLYMEM); if (IS_ERR(cxlr)) return PTR_ERR(cxlr); @@ -3520,7 +3521,8 @@ static struct cxl_region *construct_region(struct cxl_root_decoder *cxlrd, do { cxlr = __create_region(cxlrd, cxlds->part[part].mode, - atomic_read(&cxlrd->region_id)); + atomic_read(&cxlrd->region_id), + cxled->cxld.target_type); } while (IS_ERR(cxlr) && PTR_ERR(cxlr) == -EBUSY); if (IS_ERR(cxlr)) {