pci-direct.h 846 B

12345678910111213141516171819202122
  1. #ifndef _ASM_X86_PCI_DIRECT_H
  2. #define _ASM_X86_PCI_DIRECT_H
  3. #include <linux/types.h>
  4. /* Direct PCI access. This is used for PCI accesses in early boot before
  5. the PCI subsystem works. */
  6. extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
  7. extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
  8. extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
  9. extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
  10. extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
  11. extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val);
  12. extern int early_pci_allowed(void);
  13. extern unsigned int pci_early_dump_regs;
  14. extern void early_dump_pci_device(u8 bus, u8 slot, u8 func);
  15. extern void early_dump_pci_devices(void);
  16. #endif /* _ASM_X86_PCI_DIRECT_H */