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Sat, 7 Sep 2024 03:19:44 -0500 From: To: , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v3 14/20] cxl: make region type based on endpoint type Date: Sat, 7 Sep 2024 09:18:30 +0100 Message-ID: <20240907081836.5801-15-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240907081836.5801-1-alejandro.lucero-palau@amd.com> References: <20240907081836.5801-1-alejandro.lucero-palau@amd.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000989EC:EE_|SJ0PR12MB8167:EE_ X-MS-Office365-Filtering-Correlation-Id: 31fb90a9-882d-47c0-cf00-08dccf15d5db X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|1800799024; 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)(36860700013)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2024 08:19:46.7264 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 31fb90a9-882d-47c0-cf00-08dccf15d5db 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: MWH0EPF000989EC.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8167 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 --- drivers/cxl/core/region.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index bb227bf894c4..b27303b9764c 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2664,7 +2664,8 @@ static ssize_t create_ram_region_show(struct device *dev, } static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd, - enum cxl_decoder_mode mode, int id) + enum cxl_decoder_mode mode, int id, + enum cxl_decoder_type target_type) { int rc; @@ -2686,7 +2687,7 @@ 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_pmem_region_store(struct device *dev, @@ -2701,7 +2702,8 @@ static ssize_t create_pmem_region_store(struct device *dev, if (rc != 1) return -EINVAL; - cxlr = __create_region(cxlrd, CXL_DECODER_PMEM, id); + cxlr = __create_region(cxlrd, CXL_DECODER_PMEM, id, + CXL_DECODER_HOSTONLYMEM); if (IS_ERR(cxlr)) return PTR_ERR(cxlr); @@ -2721,7 +2723,8 @@ static ssize_t create_ram_region_store(struct device *dev, if (rc != 1) return -EINVAL; - cxlr = __create_region(cxlrd, CXL_DECODER_RAM, id); + cxlr = __create_region(cxlrd, CXL_DECODER_RAM, id, + CXL_DECODER_HOSTONLYMEM); if (IS_ERR(cxlr)) return PTR_ERR(cxlr); @@ -3381,7 +3384,8 @@ static struct cxl_region *construct_region(struct cxl_root_decoder *cxlrd, do { cxlr = __create_region(cxlrd, cxled->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)) {