> From: Nicolin Chen <nicolinc@xxxxxxxxxx> > Sent: Saturday, October 26, 2024 7:50 AM > > Add a new ioctl for user space to do a vIOMMU allocation. It must be based > on a nesting parent HWPT, so take its refcount. > > IOMMU driver wanting to support vIOMMUs must define its > IOMMU_VIOMMU_TYPE_ > in the uAPI header and implement a viommu_alloc op in its iommu_ops. > > Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
