> From: Liu, Yi L <yi.l.liu@xxxxxxxxx> > Sent: Thursday, September 21, 2023 3:51 PM > > From: Nicolin Chen <nicolinc@xxxxxxxxxx> > > The struct iommufd_hw_pagetable has been representing a kernel-managed > HWPT, yet soon will be reused to represent a user-managed HWPT. These > two types of HWPTs has the same IOMMUFD object type and an > iommu_domain > object, but have quite different attributes/members. > > Add a union in struct iommufd_hw_pagetable and group all the existing > kernel-managed members. One of the following patches will add another > struct for user-managed members. > > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
