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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Zhixu3qBeMS9tn7+wHbQUdmR4i8VPbG9/REPOqfKWiYgNSd9hRjIeiDUc7Wj?= =?us-ascii?Q?vnqF3rEiQJQ1U72VnBKCDR2L7GD4Yaqp/T44MiqntglCh/xsGrgzZzboygPm?= =?us-ascii?Q?3fZZuh/euRIreEchpT+LHhvGMLvFGmzNeeV+lxcNubE6hiYPoPznxNb5fDkd?= =?us-ascii?Q?8hRQa9bxEk4ea7daV14bcoGerYgFEFn0mblBk1MlhBRbR9TQY14P3q2SgFUl?= =?us-ascii?Q?7Wf98YT1oBn2/2JPsodipJnhx01CSCmqTQSv7JvEPzmfm6r1wnn6DUvbgXPn?= =?us-ascii?Q?7MB3fNwypYmWb4Q0aPyambOc0VOmX8NA+daCR/rnRHBEF6YJFw++EE++l5NN?= =?us-ascii?Q?AL6MX96/LMOxTzEpAjcnktpmNNU4d94AdngNLI5Mz3IEWgSQ+mjSwjd/saC7?= =?us-ascii?Q?GOTO0ZU3JWFSKadzV/DGL79JETE2mIcbLMQXexJ+AZ2oSyw8GgNu5HQb7IWH?= =?us-ascii?Q?thuQ4R9y9LtmzLxdDXVGYp2AYNWXGlRRtJBbvXNsAlJ5TlvzeRMPT+hpoPvz?= =?us-ascii?Q?aY/rooVdDCTbkhqOXVBWh+yql6o6YbgvNRa7KzhxfWbDXn3wf+J9UB6EEy/o?= =?us-ascii?Q?pdETnpn/bNUqK4cxLx56WXMCCwmwo0m5kOClb7Zw3rmib/XqTL7LyOrTGelR?= =?us-ascii?Q?LbW93kyriZD8poFJxr4an41OLgI+cmhwRGliSiMYt9TpRSApEARrY9E5+emB?= =?us-ascii?Q?YFFdPe/BmjjV3VCBlSfagMAkttKauIVgxt1OV8TpYwIBYol5uyUa16KIEroA?= =?us-ascii?Q?lZUriQ/w2tbgW+7+hEzRmnBdgPcr3eumeKjawniGQKmfhlmjB+zuKVNKafbc?= =?us-ascii?Q?LOW+4BnKAZYBRxKqqM4pFEl34S/3CmUaYvCknpMEdHDKK5Uyy/+y0gGEECAq?= =?us-ascii?Q?0umkdDlPT7R0YZmR9HW7eXZYnlVRiWP0IhiRUzuyqslnrS8YNxNg11t09iOq?= =?us-ascii?Q?OzmvOuub3gFLvQ+VsRANz1wH+4LTXZYkvRa+eQV6yWsL+CUworquQa/Z66iI?= =?us-ascii?Q?dIPkm3OIxqZESwn/JfD+cGCwow5vAAO6+X9Wb7ENxSJ+Wohn55O00I2dgptu?= =?us-ascii?Q?TunvSb+K/QGPLsFxhWp+sgx302cOOiV5KGC/Syo5mXR1F8Y2eCxzvkjQ8C8q?= =?us-ascii?Q?qh5Sr1uGi48U0RL9Ig5A0HDyO8R0YZG5otemLWDDbz4Ws47Mo1GN30IZrQhK?= =?us-ascii?Q?0ng28IHgIqnVCSv+L00UjEDAS73PSAn5PGH2OUNAiGPvsM+MyRKfzl4h+rQk?= =?us-ascii?Q?w+h4/qua+qdyY7pUdOq2hKS0m9gjIlZmwXKvYAMvDJm81R5GEoDQfbznQlIg?= =?us-ascii?Q?0cBUYZZ8GUcK5yuNs1kdRAYM3uRqI9bBhZC4K0RdLpdAqzZHLBBciUCNjd/U?= =?us-ascii?Q?6YohSZ5c6ma3Lpxqw36Q0uQ5oyAFDt84aHN2pnsctQ8ElGNlk5A/5q5UU/4t?= =?us-ascii?Q?Q7Wk0/ZrXjLfdGNyIsdlmytCKL6WcBbj1ys2/Ya2vpJwBf152sNVf7PBf9Eo?= =?us-ascii?Q?xlh0c0ChWoHLJLTgYJFeQbMm0s1dxqEZLxSu/fj/QkCkfMkhwtYgfkrXu4cH?= =?us-ascii?Q?D4gM2bHyyjh2LlPWFFdRszAw2lWzM0X6e7vPSBt+?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 52a20ada-ecb9-453b-d10c-08dcf1f6abdc X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8659.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Oct 2024 17:34:52.9182 (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: qyi7fdBX6giBE6DXKaBx1gvgfFTQaseP/ZlM0kz9TdULvwYl8y6v4kguUh/vA9bA X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7827 On Fri, Oct 18, 2024 at 02:27:34PM -0700, Steve Sistare wrote: > Define the IOMMU_IOAS_MAP_FILE ioctl interface, which allows a user to > register memory by passing a memfd plus offset and length. Implement it > using the memfd_pin_folios KAPI. > > Suggested-by: Jason Gunthorpe > Signed-off-by: Steve Sistare > --- > drivers/iommu/iommufd/io_pagetable.c | 36 ++++++++++++++++++++++++++++++- > drivers/iommu/iommufd/io_pagetable.h | 2 ++ > drivers/iommu/iommufd/ioas.c | 38 +++++++++++++++++++++++++++++++++ > drivers/iommu/iommufd/iommufd_private.h | 5 +++++ > drivers/iommu/iommufd/main.c | 2 ++ > drivers/iommu/iommufd/pages.c | 23 ++++++++++++++++++++ > include/uapi/linux/iommufd.h | 25 ++++++++++++++++++++++ > 7 files changed, 130 insertions(+), 1 deletion(-) Reviewed-by: Jason Gunthorpe Jason