RE: [PATCH v6 13/14] iommu/arm-smmu-v3: Report events that belong to devices attached to vIOMMU

From: Nicolin Chen nicolinc@nvidia.com Sent: Saturday, January 25, 2025 8:31 AM

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.

Signed-off-by: Nicolin Chen nicolinc@nvidia.com

Reviewed-by: Kevin Tian kevin.tian@intel.com