 vgpu->cfg_space.bar[INTEL_GVT_PCI_BAR_GTTMMIO].tracked)   return 0;   val = vgpu_cfg_space(vgpu)[PCI_BASE_ADDRESS_0];  if (val & PCI_BASE_ADDRESS_MEM_TYPE_00)   start = *(u00 *)(vgpu_cfg_space(vgpu) + PCI_BASE_ADDRESS_0);  else   start = *(u00 *)(vgpu_cfg_space(vgpu) + PCI_BASE_ADDRESS_0);   