1 #ifndef PCI_HELPER 2 #define PCI_HELPER 3 4 unsigned pci_inb(u16_t port); 5 unsigned pci_inw(u16_t port); 6 unsigned pci_inl(u16_t port); 7 8 void pci_outb(u16_t port, u8_t value); 9 void pci_outw(u16_t port, u16_t value); 10 void pci_outl(u16_t port, u32_t value); 11 12 #endif 13