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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?DZfpBeyJnI/gpKx4rag/tpQnEjeDbedhuMEPO8flnXCSYa+UDninKhx5xYby?= =?us-ascii?Q?bfViqFqPYFdRWVlu3Via4XDp3qQt+xUMXT9DEB0cGwkMsdwwKXvWsSwqNUqJ?= =?us-ascii?Q?QOXXicdosuwqetRqw9x28xnZWDduCxlNzuGY01NndnhwFC58ixq1H3mXlUQx?= =?us-ascii?Q?a8Yn+OGgsJrw/6LedmwI0q8uPw+7Xbn4d8+FNI7IbQOjzC4bjPN9h8x6Xoa+?= =?us-ascii?Q?BBr4cqOTQhB3N5YfASIsucJQpmj9Hj2HjnBm/lrYxkbkEQI4EfU79qrURNqf?= =?us-ascii?Q?vKoCqBcsqpzHPrq+Kuz5pTcmWMYluIGpDl2mfKIhUplEyQBclEurVKgGs/Ii?= =?us-ascii?Q?SvAMZ6az+t2qV8N3GEg0tQfaGgVeAsu/1mjaCa6pehzT6kemW04ePv4psosT?= =?us-ascii?Q?iP37FgpheAmosNaYDbuY3jyf+j4H0TKv0LWcsfzhV38v8SVcUepdkL5Xx951?= =?us-ascii?Q?jXwCVRSV/rQYBJJODdvOgFK0R+UNy1lhkNhfWNh6XPmnQu+5od/jxJfJuklc?= =?us-ascii?Q?CYKsj2pQo/cNwYALfW1h/xJgaN2AGPKNVzGISEigholi59yi1pjR4gQaEzhH?= =?us-ascii?Q?8oiY/D+gllIMqNESIL/ZomonapnlSdPyZaFbn2IV4K7bPGX3GLEgMjTAZR+Y?= =?us-ascii?Q?b5R+U2AGy7rpw9mz3sYMP6prNgd9FH+uDtmjmHwCPEWePmsLqHASTizW26dx?= =?us-ascii?Q?0sXnlMJ5LwN1Gl56lrOF6XwknQ3pFLDTPDaIymHMqJUNsJC/2f3dSWOY/qc/?= =?us-ascii?Q?NXvI7nj5sq7y7e9w6FQ4QrYPkGInECnkskb3Z9B0037TB62LAdsGie4oeZ+S?= =?us-ascii?Q?GV6+pBmLmQHtxpyw8bht7rX4vPo3U8CJBy24vzLLaYfg98LOvPTeXpxAZL0o?= =?us-ascii?Q?iDkSJ3PswcgtTF2R5x24He3W2r2D2ekU1zHhVtg/jW191tdexHneMBpDQZnP?= =?us-ascii?Q?VeQgVBUb+DoGnpeykglOK1GXZpSWLqwKc07ItPArbQP7Ab2J9tJqS9IO3qL5?= =?us-ascii?Q?vWPPUDBVeGcCIECCRsLHRQzQWO/sF41t2GuOckRlL7QpNmw6b9uR1FQOQTa1?= =?us-ascii?Q?MPofNXSe05wufjR+7QTY37VOZAJhm/2eXkcZ+RScOlR0nB4j8rE1K3VcYfe/?= =?us-ascii?Q?myktoptu7ZBom7qu4Saz8Zplnjk8IhsI6MEib9ZI6p/J7674wIO/vEoVPhgJ?= =?us-ascii?Q?CGrN0Fs8gTS+o/4MTsgcv+SHGOlBz/k9o9vuSR1EdI2Ps1jZFxUJpyj8037w?= =?us-ascii?Q?IMYk3KfSZXrVuILBmUzGKjb2Heqy4CFZQGpoqryKlU+c3nATgmPRaVq9fso4?= =?us-ascii?Q?1bMLFKIxGID6EgArTUKRmaLzuiUGGIFMYKi20EptEnUPfuow+b/GhWa6+vVB?= =?us-ascii?Q?a21CSLx+cefOhjxb0xMovzQHe0o8huDc9qzkJJ3EjkltSyNnAkNBbdi80woZ?= =?us-ascii?Q?jjwvtauI61yxJFvWDeSt/kiq2knlYXiThzVd+GnCsD+Grzmu4kDCVNEaCSM8?= =?us-ascii?Q?niiuYemjYdEwM05HIDVKVATxvqjlr8zOqZ4yq1GbUC8nK1MYAyiWxr9m0/Bd?= =?us-ascii?Q?2OA4Iv/whz+XzLFnhadQyaL5ndPBDK7QlIFYE/pB?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1139f765-d79b-42f7-7c28-08dd826928e3 X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8659.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2025 13:17:12.7813 (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: buYjgT+17pXeojFxGG36ug7THE1TKi5cKl3Ifk1Px1InpgXu8b9Vf3PYJYxo6tZq X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4107 On Thu, Apr 10, 2025 at 11:37:42PM -0700, Nicolin Chen wrote: > Similar to the iommu_copy_struct_from_user helper receiving data from the > user space, add an iommu_copy_struct_to_user helper to report output data > back to the user space data pointer. > > Signed-off-by: Nicolin Chen > --- > include/linux/iommu.h | 40 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) Reviewed-by: Jason Gunthorpe Jason