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Mon, 9 Jun 2025 10:13:38 -0700 From: Nicolin Chen To: , CC: , , , , , , , , , , , , Subject: [PATCH v1 00/12] iommufd: Repare for IOMMUFD_OBJ_HW_QUEUE Date: Mon, 9 Jun 2025 10:13:23 -0700 Message-ID: X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0E2:EE_|DM4PR12MB6302:EE_ X-MS-Office365-Filtering-Correlation-Id: 5d28b695-c017-49e8-6588-08dda779055a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|1800799024|7416014|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?vaEHVK4Shqhxvzg7VFsM24gnpJccI16qYrq3rVZFHYqSvOr4KLjm75Qa9KzR?= =?us-ascii?Q?huqnJ/+rQmKn7nV1qCWUq+jn3HS2l9l7YSHJldR2shMnJqJSz2uq9nND7WW1?= =?us-ascii?Q?iicdJEabiJHhyQpxTJNQ+5fMJoItzJ0T3wEcVarLr7gpQA1drYluB42yxo8B?= =?us-ascii?Q?OE3EXp5p0puldRhbGhJsPd2U7li3kOvrUnamUqE4yeKNTJcxkVuEDCOK2XWY?= =?us-ascii?Q?MlX3bW/RUvQ+aMC/oWdp+6W0Qzg8v2EdpupNyP2cltBR4/FG/chuQNflV+Po?= =?us-ascii?Q?rsy88HRXtN3qCormKtYqUu1Ts/CT07BxMG9taCWd7RJxzhE1iQYNlqfVtjih?= =?us-ascii?Q?MxGnivMzN+3lqwQ/wPqh013iP90HZJgvSRMYMnbEznI4YwNI0+X8MAMgaU37?= =?us-ascii?Q?iTWQpuUIgvHltoXA4Qbadz2s1Mddy0mkX9uxpQak/6IEWLfvP+s1YzmsV8HC?= =?us-ascii?Q?GvT1yxOXPy1WGILJBqDe5NUVWvg5O2k4Txd+TolIcndPGMKSwnST8iGuvhIJ?= =?us-ascii?Q?oDcxVqZ6Tsmsv+Yg0PrvB0WRKxqh+Wva2MjGOxqu5/YkUi/i6aoPgVzqknOs?= =?us-ascii?Q?p+B8owc5dHHFpevbd+BJDHYg8IAjTLygHp/wsQkClnUUsozuI3NqLlglz+ne?= =?us-ascii?Q?j8FFw9MBb5sEsC9YRO16qBzzeVevMNKKiT50puOns+H15ekPRpPU8Ma8CtX5?= =?us-ascii?Q?rjOmnlc3CbP62idVbR1nccags8G8LwfbsCtuaB4T5hcP1B3u9nFMJOCH7oaP?= =?us-ascii?Q?G5ddHobJhoKftHPlIi9eUoD4oGqlweaycRRTpzm0FQksW5PAyOPDnhXuYoyJ?= =?us-ascii?Q?wfUgeNvwfko32Kb/OE4AZAx6yQ3h+VUxiXusN0cBBLK4b2NbIRxREYGeli+1?= =?us-ascii?Q?j39gJTGJSMDivm2+NBw0vVKsZypFMusVboLRG0fNbJVXNof8ZEr8KUYUuEgw?= =?us-ascii?Q?tczzmmRqvz8hFM0Eo6iLKD4e7uS5n++ArF13SXo59xgj9zpZuYiD+zwSKdJg?= =?us-ascii?Q?gFdN/IL/tb3ww09aDfOnWRawwsrCbEl/m8FsdBYjGqXDa4oskiy+3NUveHuj?= =?us-ascii?Q?uw62sd6GP6xD2+Bq2yoihFfMhUHoeRLcR1HUXb75DcpS7RjUHqHdvwrTM3lL?= =?us-ascii?Q?QAw9P61mSWPObLvaUwXjr8xAS0k9YWF26KslVv58CPlJ+jcbgNRg3ucbezj7?= =?us-ascii?Q?CSzFKrS27JgFPoUQdQMl4RZ+0LTFVq9vn7wqvIS5+aIGKDhgcCSTLvOrqmzI?= =?us-ascii?Q?jb+5+uz8+1PtnYYh3ZgzzzkOCZL9OJ7KnVI4ykbHcm8gDOm4hgF6IN+w6bYL?= =?us-ascii?Q?5SioEVVDCI50D+gcCLfrdsl5C/oedOYaPJCGvBjNlBxVtqz3m8OepcglcCUK?= =?us-ascii?Q?nZbU6NsGeLMMfeFoG24UsYgMTHr+wweK3roJIku0wDhVyjudjnW/ZBZ3wrow?= =?us-ascii?Q?gj68cfQoPLKL7C7Vpr+4F68UdligvTJN3LMz2VsJdQiQWMhcZu8PHBNGWnP4?= =?us-ascii?Q?SITynIY/5PMJoH3Wc1YExXKn8GWagnlxfBZm62sA2oxnbsDSEaZN2yh8gw?= =?us-ascii?Q?=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(1800799024)(7416014)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2025 17:13:57.7053 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5d28b695-c017-49e8-6588-08dda779055a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0E2.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6302 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250609_101405_640887_14B2B97C X-CRM114-Status: UNSURE ( 8.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The new HW Queue object will require more interactions with IOMMU drivers, with a few more for-driver APIs. This will complicate the driver-allocated structure design like the viommu_alloc op: since the core structure is not initialized during the driver allocation stage, a new for-driver API can't reference any member in the core vIOMMU structure. Make a preparatory series doing: - Cosmetic fixes and clean ups - Replace viommu_alloc design with get_viommu_size + viommu_init - Add a new iommufd_object_alloc_ucmd Some of the patches are included from: [PATCH v5 00/29] iommufd: Add vIOMMU infrastructure (Part-4 HW QUEUE) https://lore.kernel.org/all/cover.1747537752.git.nicolinc@nvidia.com/ This is on Github: https://github.com/nicolinc/iommufd/commits/iommufd_hw_queue-prep-v1 Thanks Nicolin Nicolin Chen (12): iommufd: Apply obvious cosmetic fixes iommufd: Drop unused ictx in struct iommufd_vdevice iommufd: Use enum iommu_viommu_type for type in struct iommufd_viommu iommufd: Use enum iommu_veventq_type for type in struct iommufd_veventq iommu: Introduce get_viommu_size and viommu_init ops iommufd/selftest: Implement mock_get_viommu_size and mock_viommu_init iommu/arm-smmu-v3: Implement arm_smmu_get_viommu_size and arm_vsmmu_init iommufd/viommu: Replace ops->viommu_alloc with ops->viommu_init iommu: Deprecate viommu_alloc op iommufd: Move _iommufd_object_alloc out of driver.c iommufd: Introduce iommufd_object_alloc_ucmd helper iommufd: Apply the new iommufd_object_alloc_ucmd helper drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 11 ++-- drivers/iommu/iommufd/io_pagetable.h | 2 +- drivers/iommu/iommufd/iommufd_private.h | 33 +++++++--- include/linux/iommu.h | 26 ++++---- include/linux/iommufd.h | 39 +++--------- .../arm/arm-smmu-v3/arm-smmu-v3-iommufd.c | 47 +++++++------- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 3 +- drivers/iommu/iommufd/device.c | 3 +- drivers/iommu/iommufd/driver.c | 33 ---------- drivers/iommu/iommufd/eventq.c | 14 ++--- drivers/iommu/iommufd/hw_pagetable.c | 6 +- drivers/iommu/iommufd/io_pagetable.c | 3 +- drivers/iommu/iommufd/iova_bitmap.c | 1 - drivers/iommu/iommufd/main.c | 62 +++++++++++++++++-- drivers/iommu/iommufd/pages.c | 9 ++- drivers/iommu/iommufd/selftest.c | 57 ++++++++--------- drivers/iommu/iommufd/viommu.c | 46 +++++++++----- 17 files changed, 212 insertions(+), 183 deletions(-) -- 2.43.0