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 <kevin.tian@xxxxxxxxx> > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > --- > 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 <jgg@xxxxxxxxxx> Jason
