AGPIOC_BASE
#define AGPIOC_INFO _IOR (AGPIOC_BASE, 0, struct agp_info*)
#define AGPIOC_ACQUIRE _IO (AGPIOC_BASE, 1)
#define AGPIOC_RELEASE _IO (AGPIOC_BASE, 2)
#define AGPIOC_SETUP _IOW (AGPIOC_BASE, 3, struct agp_setup*)
#define AGPIOC_RESERVE _IOW (AGPIOC_BASE, 4, struct agp_region*)
#define AGPIOC_PROTECT _IOW (AGPIOC_BASE, 5, struct agp_region*)
#define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 6, struct agp_allocate*)
#define AGPIOC_DEALLOCATE _IOW (AGPIOC_BASE, 7, int)
#define AGPIOC_BIND _IOW (AGPIOC_BASE, 8, struct agp_bind*)
#define AGPIOC_UNBIND _IOW (AGPIOC_BASE, 9, struct agp_unbind*)
#define AGPIOC_CHIPSET_FLUSH _IO (AGPIOC_BASE, 10)