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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?YLwII4HwY3cwGCTOJyX+BcCoPjsOU89+0sR42nZ0JGndU6ZHH2kSW5UTL5jI?= =?us-ascii?Q?v6GfcgV+NTEW5Ms42wSD4HUsBFcUvk/Ipx8PyGT5ko1QHz+rlJLQDl9fdSud?= =?us-ascii?Q?nmaypIYPoZhc/j3TC1A0nqE3Nyci9IPxDfCWNE0a5QUiboTJaii1W+zGfRJn?= =?us-ascii?Q?SUP+ImB7qijWxFaJreF4Rw3IsWECEV1HopBfKuWJyec6ohjaD8cx+0Z9aIFj?= =?us-ascii?Q?OxSggvdQi40rnes60+hCmKnEcjXeajL7bGPQm22uwkVAwaixMr2bVy2LaY9F?= =?us-ascii?Q?de7SdUq+ONZkTmNZCgXHBBBsjl3foh/KrJ5xXTrlC7F9IXxdse478I7EEfOf?= =?us-ascii?Q?FBjGWao0lvYLqfIZAvJO1RMkWpdzAKAOhotms9R3oHXD4ymOyPWIkWBaDSjZ?= =?us-ascii?Q?FAesaBrbiNtHAIDgxM8Va6LEPyz/bfB8UGsl0fFOc3RDkQtKMHgO494U457L?= =?us-ascii?Q?S98/V7USTtdliVbeKTgNpRWvbDvfPK4i6OrEHExNftNv/EL4nqN3Xa4TxrhL?= =?us-ascii?Q?O3qYwr/ElKTbq7Iy+Qr+4PFvuQov0nEkqK9H8lTpEL6fYNZd3yiGEq30idpW?= =?us-ascii?Q?yr4O2tJn0AGmtIekCtQ+pcfEV5jRaZwnqdBxlCpCoqyakrUu/7wExNKaR1Kr?= =?us-ascii?Q?G6nbWkvkmpXy+7wNAwKIEgNaDrj390iM/aousOvTPvgYHIaxNYdQ4DEFsVid?= =?us-ascii?Q?CW3F1+ykR7dzAtP/wicp5bcas17r+YVkz0XDKCYi8njxmVzP1miIjX3wKyga?= =?us-ascii?Q?HjZ8yOeZ19NhAYB0QulvfeYnxmZTFIiPO8rx4QFOJSHJhSEbntSn8Dxu/yEk?= =?us-ascii?Q?MDb/5R13VFqrKluKHQkFCGgaN8qX7pJlZL+ImA9duxJOkfXmacgTkK5iW8B+?= =?us-ascii?Q?BFhyGygfCJiRBJMtWecH7B1ObqbhmX8wIf158QfnI5jFrBKGvDGP9X/9Nd9f?= =?us-ascii?Q?DwcMmY6rRxMen31fAXB7Htq+mHT3UnBVUaybpsaRbBbZF0ECPJUnR+4oZZ5E?= =?us-ascii?Q?CCu05Y6RUPzM3rOAE5JadY5D9lgKGgaoSxAqpH/YbKSnmKV3mxmDrEhHHswZ?= =?us-ascii?Q?/ni0RQDregQGz06i+AzQ+AHSfVmAQZCM/2qzlGEQ9EN3s2nVPTOZyiyN5CJk?= =?us-ascii?Q?U6/mKT2M/q+z1s7iWXlb/ok8lJc+gUtHUA6mOTlBV+4ZDjEAALjgFV/Vuynj?= =?us-ascii?Q?qsHFFhMV7XfqIgzu+cYV/hCGKznQ+q4mef/pz23n55IxFaGCJhvsFKPijPUw?= =?us-ascii?Q?g0RKJN+gnkeAmmERK5XR2ssWgYpy91oiA/Egck2+ZYwaSoLiRyRPfPtIJshZ?= =?us-ascii?Q?tIIh7UyLu0mfJiKhSWBzCj/Z0+xnJEg9yysPQDy/rN1xKkoXhDOTfCUEMaXd?= =?us-ascii?Q?zCsTb99ck6KRYEqOf8bEGCfhHgdu682iUHX9huW+veQmGC1BmawZeAcgiZN9?= =?us-ascii?Q?ekV8XTGTSDBwhnRn/bb+K9wW5hRvLoH8TCFjDMFe8s5tUjRcWjxJNdNyxHxo?= =?us-ascii?Q?fU2/6dxEVXzmn45OGjYlwj9hfJmyE3eKP1vvB+IEW2mr72xEeTgMFYEHfTaq?= =?us-ascii?Q?nrfOnpkYABoVxzU0LzF4pfrVxBeNopH7HlkULINT?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: e9cd42f2-5ef2-403a-8315-08dd55b633c4 X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8659.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Feb 2025 16:05:19.9991 (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: aJUuxKBkhiKgREMn0gcweTedGeYJRjup1boTS7FslcFM0Ov0QQrIxokQS7cobeUj X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4455 On Sat, Feb 22, 2025 at 07:54:10AM -0800, Nicolin Chen wrote: > Aside from the IOPF framework, iommufd provides an additional pathway to > report hardware events, via the vEVENTQ of vIOMMU infrastructure. > > Define an iommu_vevent_arm_smmuv3 uAPI structure, and report stage-1 events > in the threaded IRQ handler. Also, add another four event record types that > can be forwarded to a VM. > > Reviewed-by: Kevin Tian > Signed-off-by: Nicolin Chen > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 7 +++ > include/uapi/linux/iommufd.h | 23 +++++++ > .../arm/arm-smmu-v3/arm-smmu-v3-iommufd.c | 17 ++++++ > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 60 +++++++++++-------- > 4 files changed, 82 insertions(+), 25 deletions(-) Reviewed-by: Jason Gunthorpe Jason