first_gfn 123 drivers/gpu/drm/i915/gvt/cfg_space.c u64 first_gfn; first_gfn 136 drivers/gpu/drm/i915/gvt/cfg_space.c first_gfn = (val + vgpu_aperture_offset(vgpu)) >> PAGE_SHIFT; first_gfn 138 drivers/gpu/drm/i915/gvt/cfg_space.c ret = intel_gvt_hypervisor_map_gfn_to_mfn(vgpu, first_gfn,