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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?cF7qIbKGetjqq3qHqG4fra24pp8wx/BaqYKgZy6IX2qmDNHrEknhwDDy5mBG?= =?us-ascii?Q?xCI/ye/GEkQSuxA27pZBaYOedH73Q3lxbX4sYjAnLyZTZIRelrLc6R4yih8k?= =?us-ascii?Q?Pw0v7kGpA8fvQeJq1kgR/cz0nJcjCvlDCRNgDFADQ36+Bb/Z6fgvKW429oQR?= =?us-ascii?Q?0BRSe4xj5bbO8zAzcCuTA10ZOEA2MBWTzEwK4eYrr7qSf0znZwsMA37k0ooL?= =?us-ascii?Q?1RmXEgYYgn8PUleOj5mWi1z4rESRrr6qadYr4lLYdwxBHkCQUGi+0H5ADLWj?= =?us-ascii?Q?214IRw7tJMLTu8+OpRfjW8SrkUk0T5ML8UvLYK94cQodz7rYuB1evDBMc0Il?= =?us-ascii?Q?SAAiZ2/LTAnJudtboJ/ATYcDWgfWOliVMu7vtwbEjJzBeApGrTYCycslEkyJ?= =?us-ascii?Q?TDViItMmrvarJ3KQW9WPVXaUnU6mQxVqNJ9m+3iHdbLD0TyG1aIuKhWYU3Q6?= =?us-ascii?Q?5+8aGwzTG5ZfZ5dB0J3gd461aR11RxUx7AeF8AZuedvTDnXnXYR7RnEVFiEU?= =?us-ascii?Q?t12fpDhifqmMNiDw8N8ODwcDrBvLLESl8znLdnmlX9yRJe1z59jsQxhvsPdG?= =?us-ascii?Q?34/MTG1Uv0vhl6G7jO9323+Lm2t1Mjk8m1Nu4rrrsjd6Vw8kntXgNU86zGPr?= =?us-ascii?Q?6sy3wEijs7dNDlEMFqITg0tEqFuDeTC0rXESMDBkeFzJ06AEtz2kszlpR4Tb?= =?us-ascii?Q?OZtItDqeE+Q+b6XzRZTBNo4C+pyr3O1p+jNTbBx9IDds6ds5xMdU8MMrGcDv?= =?us-ascii?Q?5DTZI/rmFrGk5qGjdweR0pkqCIF8V2K9jYeGDP0ODF0xveMoEfJJCvDR0Jfp?= =?us-ascii?Q?1PPgtEow9krsjxz9VgcYgmqk/8pIXc2BohuWPen9rAyxOtEANrlp/0+druLq?= =?us-ascii?Q?8+q50nvvOv8RqfUcT+y56IP6pQZ2750BnoBuSPHKZj1yQKL54WZi5IOZ3Y2K?= =?us-ascii?Q?U15BQ2zhkdKiWztwV/gBH7tGKW6uEHCErPg3un7C9hqzjRHk5AyFSK4zgVdF?= =?us-ascii?Q?Xy/rMiqg+wI5lAuvALurKD9gGgXRn8cn6g1bmPx6HMqxNAijA5d0O6bB8dtF?= =?us-ascii?Q?j5XOHbM1xQ/ENSwOhKMzz8NmCvqFVzwMj+L6awa/t4EdOlJblgt5ng48nrn9?= =?us-ascii?Q?5crXh9tJgbluRQe0vOLupLRi412SEhCW8SRAwJnYJNUuNJZc2CF9Wc6teokH?= =?us-ascii?Q?ZLLNtiAFiILxnQGE3h8ontov3+rrvHByG/rYS/I5BgjmrNlHWKrpQlS5tmft?= =?us-ascii?Q?BFfkbL+3lO8D7nEWSjX73bL0T/9XHzbak4WRkpIiG32WNapuUmBf8TI6yNIl?= =?us-ascii?Q?N75nc9FSJDYG0pSq6atRW2XV/xNmZ3PTYYOJFbQ4N8vZvo/JMxWhXtFvKk8r?= =?us-ascii?Q?h+rdoRiHqLeS5xq9Z7Sl8wSnwDW0w+MaYrjPh1XngnKPfZ1bgqs8kZGM6Gx+?= =?us-ascii?Q?5UGO6bVykRheG0H2MVSTBzfuUbPLwTZ5EFd4+GLj155LX/ZSSQRu+W5c2kMT?= =?us-ascii?Q?JbSFcg3QbQyinqxJkOF6Q23b6Sjf3jH3Z+jYWR4/UQ7DUl0GCX1rQudyaqc+?= =?us-ascii?Q?Gx8/JL/wodq3skQxrANHRLfpTDVaRloZRAimrLeS?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: adc0ba3c-db16-4d1f-a586-08dd9f9a5e34 X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8659.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 May 2025 16:52:31.2635 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: movJm186q+hZAGRXsDx6leN5qtrI/PnbKYYKnNDRrByR/aHpvwnptBhyNCXEp47+ X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8098 On Sat, May 17, 2025 at 08:21:37PM -0700, Nicolin Chen wrote: > The hw_info uAPI will support a bidirectional data_type field that can be > used as an input field for user space to request for a specific info data. > > To prepare for the uAPI update, change the iommu layer first: > - Add a new IOMMU_HW_INFO_TYPE_DEFAULT as an input, for which driver can > output its only (or firstly) supported type > - Update the kdoc accordingly > - Roll out the type validation in the existing drivers > > Signed-off-by: Nicolin Chen > --- > include/linux/iommu.h | 6 ++++-- > include/uapi/linux/iommufd.h | 4 +++- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c | 4 ++++ > drivers/iommu/intel/iommu.c | 4 ++++ > drivers/iommu/iommufd/device.c | 3 +++ > drivers/iommu/iommufd/selftest.c | 4 ++++ > 6 files changed, 22 insertions(+), 3 deletions(-) Reviewed-by: Jason Gunthorpe Jason