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Mon, 18 Nov 2024 10:44:58 -0600 From: To: , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v5 11/27] cxl: add function for setting media ready by a driver Date: Mon, 18 Nov 2024 16:44:18 +0000 Message-ID: <20241118164434.7551-12-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241118164434.7551-1-alejandro.lucero-palau@amd.com> References: <20241118164434.7551-1-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: BL02EPF0001A0FB:EE_|CY8PR12MB8216:EE_ X-MS-Office365-Filtering-Correlation-Id: 6a6594eb-c17b-45d4-d45c-08dd07f059fa X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.12;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:atlvpn-bp.amd.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Nov 2024 16:45:03.8853 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6a6594eb-c17b-45d4-d45c-08dd07f059fa X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.12];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A0FB.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB8216 From: Alejandro Lucero A Type-2 driver can require to set the memory availability explicitly. Add a function to the exported CXL API for accelerator drivers. Signed-off-by: Alejandro Lucero Reviewed-by: Dave Jiang --- drivers/cxl/core/memdev.c | 6 ++++++ include/cxl/cxl.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index 7450172c1864..d746c8a1021c 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c @@ -795,6 +795,12 @@ int cxl_release_resource(struct cxl_dev_state *cxlds, enum cxl_resource type) } EXPORT_SYMBOL_NS_GPL(cxl_release_resource, CXL); +void cxl_set_media_ready(struct cxl_dev_state *cxlds) +{ + cxlds->media_ready = true; +} +EXPORT_SYMBOL_NS_GPL(cxl_set_media_ready, CXL); + static int cxl_memdev_release_file(struct inode *inode, struct file *file) { struct cxl_memdev *cxlmd = diff --git a/include/cxl/cxl.h b/include/cxl/cxl.h index e0bafd066b93..6033ce84b3d3 100644 --- a/include/cxl/cxl.h +++ b/include/cxl/cxl.h @@ -56,4 +56,5 @@ bool cxl_pci_check_caps(struct cxl_dev_state *cxlds, int cxl_pci_accel_setup_regs(struct pci_dev *pdev, struct cxl_dev_state *cxlds); int cxl_request_resource(struct cxl_dev_state *cxlds, enum cxl_resource type); int cxl_release_resource(struct cxl_dev_state *cxlds, enum cxl_resource type); +void cxl_set_media_ready(struct cxl_dev_state *cxlds); #endif