include/asm-x86_64/pci-direct.h

   1 #ifndef ASM_PCI_DIRECT_H
   2 #define ASM_PCI_DIRECT_H 1
   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
   9 extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
  10 extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
  11 extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
  12 extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
  13
  14 extern int early_pci_allowed(void);
  15
  16 #endif