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Mon, 3 Feb 2025 21:01:43 -0800 From: Nicolin Chen To: , CC: , , , , , , , , Subject: [PATCH v1 0/2] iommufd: Allocate attach_handle for any HWPT Date: Mon, 3 Feb 2025 21:00:53 -0800 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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: SJ1PEPF000023CC:EE_|SJ0PR12MB7475:EE_ X-MS-Office365-Filtering-Correlation-Id: e1b02762-3b49-4fba-5876-08dd44d90d19 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|82310400026|7416014|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?rdPqOJY6gpAgDseFmTX4Ju+qPyekSek3j6DmTr20PB5Nh8+22MaXHfT6GvHj?= =?us-ascii?Q?pBAJMfXaai4Zy6Z2Z2Ce6xh0DPkpuGCBgG44vVd6HMJuelhpLo4szgyX2Avv?= =?us-ascii?Q?emUKBQKNOTNrxXDRFPDx0oI9R3Qxl+UVW82cXGgbwb0bbeloZfbZ2+mjqU/K?= =?us-ascii?Q?F8mrYZgQH0cmVPU+X7emqpRrdgP5PigAwH78s63ULrGy5ph9tqJy9ALXMvpi?= =?us-ascii?Q?enPg+/6DtTHl/g6U0+r3JY6SN5J68FW8JKz0Npasqrw12JQbfbfY44gsMP90?= =?us-ascii?Q?g3Z7ZWCiQ03u7gDVfhhq5LYItvEUMIQHdrEP5TKwJ+C44Y6R2619IL5oWl0U?= =?us-ascii?Q?ENnjeWK4dzuD8WaqI/DeccQQBm74xDhdCqjo5hCPhXYHvoVEZccngooYzWRd?= =?us-ascii?Q?2hA1FjEKAXxt/6AkF3Js/vJZiNYBRNK/rMnYl0tFyNE6D4QEiJCGzDUdH2PM?= =?us-ascii?Q?B530a9y33NcjZzKyppxrhEqOU8PZ4xS7njTfzk3r955tZ2nFB0ubK3gGF0Rl?= =?us-ascii?Q?ZsFFj9MbxRdoyemLWpuhNHhfXun/WciVizVKvCzbtJv+EfA32+zx5YNzpuRh?= =?us-ascii?Q?9NScxaR9+sG/MsxPA16ljsh44tDgJ14F+WWnx4aDVjZdHNi6ULbEn4N7Sfrj?= =?us-ascii?Q?yB61ZhV7WbKGh28c+aUGlLUadw538ZtUv/zYt3X+EDZE0J+9q9ZGypS9Qz7g?= =?us-ascii?Q?ctUbgqXugEX7CTx260DcBFjAMctsjDVkQax4gtIb+pD7MHiefsFwNhVzFMKt?= =?us-ascii?Q?CxfR7YcSmJbeMpvqWpeS6EuRj2pDpwLnV+gV7OEfMX5gJlQkdwidKvV3JpH2?= =?us-ascii?Q?yOktOnwfsjcizInXEZvwQH5lGIs3LZo2Zpu0/2l1G2h4Vd+DOLDGNv9q+RrB?= =?us-ascii?Q?sYSyA8HGxv/BL+fdtmSDSawxMHjNzCcghFUyyktN1+NxTOzuSPyGBO4tvAnz?= =?us-ascii?Q?4ayXdX5gM7Z0hHaN5jAxUyzQaRfzbsGjvk2IrpJeWGVKdtUgjYngWsnIjSVb?= =?us-ascii?Q?u8oViUM/YEKhCyl5Q4u5hWrKsgRBEeQZN033BPC3ixp+LQ4uj+XI0mrH+0E5?= =?us-ascii?Q?o+b0qs8nUbR2xxqlYwgHoQKmbdPwLZQ3+PCiRwC4Z3I392FAhaION2AojEYj?= =?us-ascii?Q?UV313Q4rzJ1Ars5YDnjQwYDMspOE0zuggsf0ZZeGf4IzDh0FWRjxjRU+Qv+N?= =?us-ascii?Q?Eda/RY07KJa3vqqo/gwqh5Xb5tGqTE+hiP8o21JMuebamOGDZRfiFf0kmmfJ?= =?us-ascii?Q?kbjT7JKFK+M0QeXb+5db22/X+gluRXixiyC9Mbuldt/0WO59VIOymA8VY4v4?= =?us-ascii?Q?lvPMF5+8lSsToe6eTv2HgaW6JryMFPcftyrTKmJu1nGmLTqSOuke6LGgLvEA?= =?us-ascii?Q?n+uuE8xzFzdmAXZyomDlRKmqpHSCUqqaXZ8qp2Fp5Ae3gd8tMU89bH88vNZp?= =?us-ascii?Q?SikLKs4Xai8vZOzIOTevEwqixH2yl9p91aZcJILhv4Vjf+1qwY2EKMARynwY?= =?us-ascii?Q?O+i4jlMEhiuCkZQ=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(82310400026)(7416014)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Feb 2025 05:01:57.4366 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e1b02762-3b49-4fba-5876-08dd44d90d19 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023CC.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB7475 An attach_handle is a hwpt->fault specific thing, so the fault.c has been holding a set of attach/detach/replace helpers for attach_handle and iopf enabling/disabling. Now, both the iommufd_msi series [1] and the attach_pasid series [2] want to reuse the attach_handle for non-fault cases. Rework the attach_handle, to prepare for either of the series. It should be merged with either that gets merged first. [1] https://lore.kernel.org/linux-iommu/cover.1736550979.git.nicolinc@nvidia.com/ [2] https://lore.kernel.org/linux-iommu/20241219132746.16193-1-yi.l.liu@intel.com/ Patches in this series are from [1] with some fixes addressing the review comments. Changelog v1 (since [1]) * Rebase on v6.14-rc1 * Unwrap the fault attach/detach/replace helpers * Split the attach_handle patch to make it clearer Thanks Nicolin Nicolin Chen (2): iommufd: Make attach_handle generic than fault specific iommufd/fault: Remove iommufd_fault_domain_attach/detach/replace_dev() drivers/iommu/iommufd/iommufd_private.h | 41 +------- drivers/iommu/iommufd/device.c | 101 +++++++++++++++++++ drivers/iommu/iommufd/fault.c | 128 +----------------------- 3 files changed, 109 insertions(+), 161 deletions(-) -- 2.43.0