1#ifndef _ASM_X86_PCI_DIRECT_H 2#define _ASM_X86_PCI_DIRECT_H 3 4#include <linux/types.h> 5 6/* Direct PCI access. This is used for PCI accesses in early boot before 7 the PCI subsystem works. */ 8 9extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset); 10extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset); 11extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset); 12extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val); 13extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val); 14extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val); 15 16extern int early_pci_allowed(void); 17 18extern unsigned int pci_early_dump_regs; 19extern void early_dump_pci_device(u8 bus, u8 slot, u8 func); 20extern void early_dump_pci_devices(void); 21#endif /* _ASM_X86_PCI_DIRECT_H */ 22