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Mon, 2 Dec 2024 11:12:47 -0600 From: To: , , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v6 11/28] cxl: add function for setting media ready by a driver Date: Mon, 2 Dec 2024 17:12:05 +0000 Message-ID: <20241202171222.62595-12-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241202171222.62595-1-alejandro.lucero-palau@amd.com> References: <20241202171222.62595-1-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: BN2PEPF000044A8:EE_|DS0PR12MB9397:EE_ X-MS-Office365-Filtering-Correlation-Id: 92a129a9-cce5-40ec-30e6-08dd12f48ca4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|82310400026|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:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026)(921020);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2024 17:12:49.6744 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 92a129a9-cce5-40ec-30e6-08dd12f48ca4 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: BN2PEPF000044A8.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB9397 From: Alejandro Lucero A Type-2 driver may be required to set the memory availability explicitly, for example because there is not a mailbox for doing so through a specific command. Add a function to the exported CXL API for accelerator drivers having this possibility. Signed-off-by: Alejandro Lucero Reviewed-by: Dave Jiang Reviewed-by: Ben Cheatham --- 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 1d43fa60525b..b14193eae5fb 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 44664c9928a4..473128fdfb22 100644 --- a/include/cxl/cxl.h +++ b/include/cxl/cxl.h @@ -44,4 +44,5 @@ 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