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Sun, 12 Oct 2025 17:05:25 -0700 From: Nicolin Chen To: , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v1 00/20] iommu: Introduce and roll out test_dev domain op Date: Sun, 12 Oct 2025 17:04:57 -0700 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF00021F6F:EE_|PH7PR12MB7377:EE_ X-MS-Office365-Filtering-Correlation-Id: ab18c537-9971-4475-dacf-08de09ec422e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|36860700013|82310400026|13003099007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?UevVKGCRpOnWEK3tM/CXPhMi+wK1RFJoUUOqYdxl/9SMF51BQwEAWXu1BH9L?= =?us-ascii?Q?67OHyBrnD9UH5hm6KMrbmLrlC2039v6Z9rsWDQcrH/stbUpLG+e+XjPq8d6S?= =?us-ascii?Q?PyG0SnBsGMmi4mESreuoXhpySqu82nZJ1gZVI1sRe0iZu+qeucoGQTH/DxLp?= =?us-ascii?Q?uekktXluAxgB/UnPTY6AqHpv/gGFv/LVojgRHc+MEA6UTvO5YwqNn1+FzV4b?= =?us-ascii?Q?yHHFPYgku/7Jl62nkKqL2GBA3d0UMotNysWBZP4k9TtvE8ZYTCRl2I1oAXMy?= =?us-ascii?Q?rU5qiPbD7lFy+ymXSXXT8N1bzxBjEGdxR7bLAlT0ywwznx+XX++dcFAlqmuJ?= =?us-ascii?Q?FSnGtE8W8BoDr99We9PnvCg0gwUQBCKg8GYDsjI6389vyGQP3DlQtqAd4M+a?= =?us-ascii?Q?CS9DWo2G890qFWv7VUF0bh/UfYQBOkVfOdiKBnNXeaQyVSYraEGBzPeFaBig?= =?us-ascii?Q?NwkmG1bYY2NEGHp3ge58bDYjfZNMK5RUDN9mJ4c8VRLbAIgGQpkXStxSq7sj?= =?us-ascii?Q?0MCFI8pCaOmw6Mh2eun9mULAV5ACkJae3+Z/I0MgkCkJiWHMZvVKMf+WgdrA?= =?us-ascii?Q?giG+AoN4q42UOYwtPkYkgG3e635F8orT5P2b78eBvdv1g2APe96FmOPam5rm?= =?us-ascii?Q?BB9HOX6wojMBFGHO7rm/nGQkeuyIZneVtuLhNmPtqadl3ynOCRyZ6P/8FQcg?= =?us-ascii?Q?ASF9OnZ6vzqn6boi+K4KecuJikH6KThtbNHTuGTJux3q/i1IDnu78Ti6Na7W?= =?us-ascii?Q?OVs6WGX1VIfZ+UysjesTLthdOiIYdgfvFnTyWqq8KAE4P5XIHZzLDKg13IYa?= =?us-ascii?Q?bKOJS+Am1Q+vejtOgcXGe/+uqP5ABFu6yyEQ+6H3O3xnQkwtqELe1UNl2jvH?= =?us-ascii?Q?GLuq5vvacWB6gq43lH9HOU7nO2sy0eQo3+8JVrIC7brp5DxtZLgv0N4dH4ZF?= =?us-ascii?Q?zzq3Cyg+bDQFWmN5aSA5o+4qkEci775qzJP7Qaj8tfhpUsniuOavzjSmJbb3?= =?us-ascii?Q?8Z7pc6M8rPET6dJowprfAbg+V/0ekoMRO5iAu33WINiNSTStBlzZwblMGF3g?= =?us-ascii?Q?SzHh26cVda+iuFnwYqiuFtyIAHgX1chRj2dvzc4nzlH3WIahVTO3yd43XS9n?= =?us-ascii?Q?oJLcRn2C9M/ElvqX6V5GFjec9C4XjO6nMSfv+DlShasHYTI4lSeh5IiQkbQp?= =?us-ascii?Q?3ha4AtlCj1bgvjRgt0nDlJZn6+BjrTgTmgpvlEWQ+eHzva/DTq0PhoSSGKfa?= =?us-ascii?Q?/99x/iSokSlJSXPBbnbDCQYO06UkchXm5TqlpkNzd/PDlIYeP91KPsTyBmE5?= =?us-ascii?Q?DLXFXPt5Q5ZPH/J0V3T2Q9Z61aZDsBsY+Y8sELsksusEd+APyeC6fvVP+vPd?= =?us-ascii?Q?T5QnpkeWQu6hQ/O4i3+q0f3PW0XpyhyxRw/pTC0Xgpbci7IxUv4IpE8hwK6G?= =?us-ascii?Q?mP1HKKPeayrV5eE8kvVwKHQFk3grEtRAtXicHEq2HDL/iiXlHAkbLY3pfvlv?= =?us-ascii?Q?P5SK2TAQmUGzy8C12xjP2k2740T6lSQuVzzVSj3WoK/f8/laASHWOXHNtuwn?= =?us-ascii?Q?aiHnXU1s080FDG0laN4cHO7hQMYchhm3H/PzgA0q?= 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)(1800799024)(7416014)(376014)(36860700013)(82310400026)(13003099007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2025 00:05:45.8999 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ab18c537-9971-4475-dacf-08de09ec422e 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: BL02EPF00021F6F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7377 Add a new test_dev domain op for drivers to run a compatibility test prior to the actual attachment at the driver level. Any incompatible attachment will be rejected early, allowing the iommu core to postpone any concurrent attachment during a device reset state. This is a preparatory series for new iommu_dev_reset APIs: https://lore.kernel.org/all/cover.1756682135.git.nicolinc@nvidia.com/ The change is a must to keep attach uAPI behavior consistent. This is on github: https://github.com/nicolinc/iommufd/tree/iommu_test_dev-v1 Nicolin Chen (20): iommu: Lock group->mutex in iommu_deferred_attach() iommu: Introduce a test_dev domain op and an internal helper iommu/arm-smmu-v3: Implement arm_smmu_domain_test_dev iommu/intel: Implement test_dev callbacks to domain ops iommu/amd: Implement test_dev callbacks to domain ops iommu/arm-smmu: Implement arm_smmu_test_dev iommu/qcom_iommu: Implement test_dev callbacks to domain ops iommu/riscv: Implement riscv_iommu_test_paging_domain iommu/mkt_iommu: Implement mtk_iommu_test_device iommu/apple-dart: Implement test_dev callbacks to domain ops iommu/ipmmu-vmsa: Implement ipmmu_domain_test_device iommu/sun50i-iommu: Implement sun50i_iommu_domain_test_device iommu/rockchip-iommu: Implement rk_iommu_identity_test_dev iommu/msm_iommu: Implement msm_iommu_domain_test_dev iommu/fsl_pamu_domain: Implement fsl_pamu_domain_test_device iommu/omap-iommu: Implement omap_iommu_domain_test_dev iommu/s390-iommu: Implement s390_iommu_domain_test_device iommufd/selftest: Implement mock_domain_nop_test iommu/virtio-iommu: Implement viommu_domain_test_dev iommu/tegra-smmu: Implement tegra_smmu_domain_test_dev drivers/iommu/amd/amd_iommu.h | 3 - drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 2 + include/linux/iommu.h | 17 ++- drivers/iommu/amd/iommu.c | 27 ++-- drivers/iommu/amd/pasid.c | 29 ++-- drivers/iommu/apple-dart.c | 50 +++++-- .../arm/arm-smmu-v3/arm-smmu-v3-iommufd.c | 6 +- .../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 4 +- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 113 ++++++++++------ drivers/iommu/arm/arm-smmu/arm-smmu.c | 116 +++++++++------- drivers/iommu/arm/arm-smmu/qcom_iommu.c | 46 +++++-- drivers/iommu/fsl_pamu_domain.c | 50 +++++-- drivers/iommu/intel/iommu.c | 66 ++++++---- drivers/iommu/intel/nested.c | 29 ++-- drivers/iommu/intel/svm.c | 11 +- drivers/iommu/iommu.c | 124 +++++++++++++----- drivers/iommu/iommufd/selftest.c | 45 +++++-- drivers/iommu/ipmmu-vmsa.c | 38 ++++-- drivers/iommu/msm_iommu.c | 31 ++++- drivers/iommu/mtk_iommu.c | 17 ++- drivers/iommu/omap-iommu.c | 41 +++--- drivers/iommu/riscv/iommu.c | 16 ++- drivers/iommu/rockchip-iommu.c | 18 ++- drivers/iommu/s390-iommu.c | 22 +++- drivers/iommu/sun50i-iommu.c | 16 ++- drivers/iommu/tegra-smmu.c | 23 ++-- drivers/iommu/virtio-iommu.c | 16 ++- 27 files changed, 671 insertions(+), 305 deletions(-) -- 2.43.0