PCIIOC_BASE 36 include/linux/pci.h #define PCIIOC_CONTROLLER (PCIIOC_BASE | 0x00) /* Get controller for PCI device. */ PCIIOC_BASE 37 include/linux/pci.h #define PCIIOC_MMAP_IS_IO (PCIIOC_BASE | 0x01) /* Set mmap state to I/O space. */ PCIIOC_BASE 38 include/linux/pci.h #define PCIIOC_MMAP_IS_MEM (PCIIOC_BASE | 0x02) /* Set mmap state to MEM space. */ PCIIOC_BASE 39 include/linux/pci.h #define PCIIOC_WRITE_COMBINE (PCIIOC_BASE | 0x03) /* Enable/disable write-combining. */