62     struct psb_gtt_mapping_arg arg;  in gttMap()  local
72     arg.type = PSB_GTT_MAP_TYPE_VIRTUAL;  in gttMap()
73     arg.page_align = gttAlign;  in gttMap()
74     arg.vaddr = (unsigned long)vaddr;  in gttMap()
75     arg.size = size;  in gttMap()
78     ret = drm->writeReadIoctl(DRM_PSB_GTT_MAP, &arg, sizeof(arg));  in gttMap()
84     VTRACE("offset = %#x", arg.offset_pages);  in gttMap()
85     *offset =  arg.offset_pages;  in gttMap()
91     struct psb_gtt_mapping_arg arg;  in gttUnmap()  local
101     arg.type = PSB_GTT_MAP_TYPE_VIRTUAL;  in gttUnmap()
102     arg.vaddr = (unsigned long)vaddr;  in gttUnmap()
105     ret = drm->writeIoctl(DRM_PSB_GTT_UNMAP, &arg, sizeof(arg));  in gttUnmap()