agp_region         35 include/uapi/linux/agpgart.h #define AGPIOC_RESERVE    _IOW (AGPIOC_BASE, 4, struct agp_region*)
agp_region         36 include/uapi/linux/agpgart.h #define AGPIOC_PROTECT    _IOW (AGPIOC_BASE, 5, struct agp_region*)