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Thu, 17 Oct 2024 11:53:26 -0500 From: To: , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v4 11/26] cxl: add function for setting media ready by a driver Date: Thu, 17 Oct 2024 17:52:10 +0100 Message-ID: <20241017165225.21206-12-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241017165225.21206-1-alejandro.lucero-palau@amd.com> References: <20241017165225.21206-1-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: SN1PEPF0002636A:EE_|SJ2PR12MB7943:EE_ X-MS-Office365-Filtering-Correlation-Id: 8a427185-204f-433e-5ee6-08dceecc3a29 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: BuZ0UfeJvG9PiIhjc6ZkCbzDlws213cB6O42wlOlkQ0geVq2Ca1ScMmjvQCJedGKsjzKlb6ZIBCuRJ8ZHVRUqPPZiaCpvEjn9DKqmwML+R4hmagBsUxH0qDiDxgEVqlc17NVXymqR4iVUn1hGRnPOrPHnk6ctw5EBHUNIbsgdzI61qPXYoq4rR5h4EMiVQI/ZRR757wRB12XiVozGKZ/IlNw/OmsoLTqBFEIzElP8ydicrjMAY+nxMGYcN88lOwvv2/9eSs3DtGcaTA2gXYlr98Mo7s6efUpfQs5U648+/BYNXYnFC0EiZRut0IBcepVLe2Q3nnffa0so7lI9By0qTZdwFgr58SbiQwanTn1w7qRLSKC7yIapEDRcn+pwO2CtA6MqDJUMZOvIG+cMt7LE35cA5woGutTR2jtxTNoVXX3ywyiG2Dkd2nP4wsUqn4g20vySEUmyDmf8jw53g1cQoL9GZior+BbSXZYbXTbTQwyofkFWhfnimF004SRW68oBwgDRp6LuE+3FJUYw7HveSwV+7++115/jDcr/CtRFJxr0vjrp/jD1cNHkmMC0vdhLlcFBw/TjQ6/vVRqw69Pvmp/vKYwzFdJtf11+CCNFB3mGMukdinV+elrUP1LomR8ZJGjGIg4PcRRARRcbHHFN8iAYb7PaZZVWOXvfzA0lFH5MC/57h+pyXUd9nqo8V8bc5qfO3YKVYIiiOzuYSTjg960l+DE33LugB1IWQ9cc+PIUsxz/VP1y7xtQEEt+1oFsbeTuPuUt1kHDOWz904KlljyApOxPiE/V+giN+b/BzaLKC7k8OociIv4l92P6m+vXA2jZJ8xls43jxGPUoK86DTf2YVBmcKTYbGZUCFQaupjjKd+FBdkXptZ/cnQ1xZDOpQOcDWnYEcte4l5uWJsYtMnGU4w6MYVIql0DjpxWjBHUR7OICQxknEk5mym2OZ7y5n1EHvG0xPyn3CHzFtDWAJdYtrPdzh7z14GbthYO8TNmOmId5/XVAWfUppWT/MbGJsR9+yBjjA/wnVqUGCS8MVEVrV0Znwjcoe0YDpezDMY8USvYx4Ia17Cs4+KcSL3aLKvtyHohJfKgcrurH5y7b1GO97fw535Z7U5ZQ+LroHog+HZTt4elVHlKqKlkHTki/dX9dVjzuaJIPMXmVC+oio+TYKqarhBE7ikjwP3oo5+YiZHkboMFEE6h2PcIzGcR+/3CcMmKlYbibXmUwxAPhmwZMcE6C6JxkLOv55alveHjLZ4jRQQn9Nl+Y7u4dltxQWEuxaq2kTg7qrNxNdEB68aRPNlQPOnVCAGchxPnICKcxKu4eTSq7FmEwRVzUbDB6nowMgPoBj2qEKvAbWv7y38HdGS5ooDO6qqGiQSOdZIOu4b5YsnqGzONT/6cUJ/E6HnsE/RXk9zc+lzsdx0bQ== 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)(376014)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2024 16:53:29.5515 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8a427185-204f-433e-5ee6-08dceecc3a29 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: SN1PEPF0002636A.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB7943 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 --- drivers/cxl/core/memdev.c | 6 ++++++ include/linux/cxl/cxl.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index 4b2641f20128..56fddb0d6a85 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/linux/cxl/cxl.h b/include/linux/cxl/cxl.h index 6c6d27721067..b8ee42b38f68 100644 --- a/include/linux/cxl/cxl.h +++ b/include/linux/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