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Thu, 20 Mar 2025 15:36:17 -0700 Date: Thu, 20 Mar 2025 15:36:16 -0700 From: Nicolin Chen To: Yi Liu CC: , , , , Subject: Re: [PATCH v10 14/18] iommufd: Allow allocating PASID-compatible domain Message-ID: References: <20250320134744.5777-1-yi.l.liu@intel.com> <20250320134744.5777-15-yi.l.liu@intel.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250320134744.5777-15-yi.l.liu@intel.com> X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001F0:EE_|PH7PR12MB6787:EE_ X-MS-Office365-Filtering-Correlation-Id: a154fb7f-9274-4bdc-fd44-08dd68001704 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|82310400026|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?IT/+1yf+4y962H5ZJM/Ya84nP7AFnA+EeixqyA9ELMhoqrOKiRowrM7QEhbt?= =?us-ascii?Q?nGBc5XZhiRymkevVdM6wWrMMh0D7j+0TjxpVxNsLruJhUzoyUc6ib2tROE2V?= =?us-ascii?Q?+BROUeiOj4G92kDLc+p5T3QqeeDfg7EwyzUnvWOq7xBiM20s+sq21e6FuCiK?= =?us-ascii?Q?c9jJFhtTWWi4CB68DU1pIkaptshDQV6DBSVTWLT4pq5duuB6LDpB2EHqkDq7?= =?us-ascii?Q?MVWroQnNTxn17ORETaVsNCI4GmLk1TLsSFSN8P/Uc3BCbZqqO3qZ+2reSTtR?= =?us-ascii?Q?H148QiOaYjjNXcjVc6AadP4vXAKqEwgnnz/ndI0Ehnwx6bvU3MnGjCvTPSXk?= =?us-ascii?Q?swYYaOnozdOHphFd/T8OrtLyrH7Iw51mzhuVcUhPxS0VEGJBrxer8Z1HbuyO?= =?us-ascii?Q?3DFrhqTbqO4PfGw3o8+ha7Xa2mFtIW8xEYEVuB+cHWScEiPDMcflUkAHgpYt?= =?us-ascii?Q?JRR0VHzRwNZl8JC7m69+Nb4A04hW+mVDcoh+nMaRNXyrBqUBpprS5b7wdJiZ?= =?us-ascii?Q?pPEvkbd6R9pOb1nt0UUGI6HcVLz6SUb5kVINWAVnyKBzGmiYOMXV4Tq5CVzP?= =?us-ascii?Q?LVR5tNoHyRnDZpnkzhtzNY2Gkz12P7ZqvaTs+DwAsoF+2Yjz/Mqu0xeOUIby?= =?us-ascii?Q?spzlVDtrRet2xGbUNvqLNFJHWzizBIjRmjB5o6odtDLBs0ZhkZGO9BBcSW53?= =?us-ascii?Q?Q4FdV9qCwc2a/USwnEzUIVTEYqLE4+ZXrXttkAFSwxY2jCV7LL+l7AgFevxc?= =?us-ascii?Q?A1XRL4KADsPuCjKvSy967z3de34HyPxc+9E/FEF8K845oisK28HZjM9tD8iq?= =?us-ascii?Q?FtUkkHnBJ2nqJmjov/rL++qY3MQSsIVELIFCtPv/8Scncg8YAKv+o4ibetuB?= =?us-ascii?Q?F766rD44X5Wlghl8lr5uJdRtneG288NxF/vkNnZUsdybvVn91W/RiD8wK2Ci?= =?us-ascii?Q?37k4zWlAPppE4move8QJwi/naUg7AcDCWoEWilec9PwaVREhPB7szuwbYfXU?= =?us-ascii?Q?L2CG0LhGjEUaP09pL4c9zp1KdJKoF6bQNx0EXkVXuOrmjWqaiW1iNfPsv8Z3?= =?us-ascii?Q?U/xV+SzoNsgDzKCxfxhvrWnNAkJm3mAtj+unSROxpj8ivXIW/6VYoTDjt6Sw?= =?us-ascii?Q?R4zRYtLt8ZsbA5wLf43Zyh+gD07u/YCFDIuJZJ0YUUIob5Y0LBJ2pvQPEKBx?= =?us-ascii?Q?ytmHKGmEfZUsMuQcg4ZbobJUzSKx3HYgwhNv3r+qAmJRAjThYNv8Ha1LUL++?= =?us-ascii?Q?eiLoYk6F2nX1ns2DplIGDBtkyS+FUZqzafdxPiSy92Y4TDv/LN78xluj9y9g?= =?us-ascii?Q?Frw2wAMRffHB2Pwo6Z7N2MkdaOXTHsXTnTNtXT6o7uwY+PaHoNrB5cV706qQ?= =?us-ascii?Q?hqtiWzKoC7H008EPKhmi+COg1PiYyuQCMNZCG9uK+5ZZPQTUQdpTsgRpU+0C?= =?us-ascii?Q?H9sGkBykVk0agUBBD7UZfYDOJbSjiNpaQhvdHlTMiGtsJoJiHbgjA24xTeMR?= =?us-ascii?Q?gyq7+wtS7IPUsD0=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)(1800799024)(36860700013)(82310400026)(376014)(7053199007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2025 22:39:35.1813 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a154fb7f-9274-4bdc-fd44-08dd68001704 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: SJ5PEPF000001F0.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6787 On Thu, Mar 20, 2025 at 06:47:40AM -0700, Yi Liu wrote: > The underlying infrastructure has supported the PASID attach and related > enforcement per the requirement of the IOMMU_HWPT_ALLOC_PASID flag. This > extends iommufd to support PASID compatible domain requested by userspace. > > Signed-off-by: Yi Liu Reviewed-by: Nicolin Chen