On Tue, May 10, 2022 at 08:35:00PM +0800, Zhangfei Gao wrote: > Thanks Yi and Eric, > Then will wait for the updated iommufd kernel for the PCI MMIO region. > > Another question, > How to get the iommu_domain in the ioctl. The ID of the iommu_domain (called the hwpt) it should be returned by the vfio attach ioctl. Jason