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
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);
14
15extern int early_pci_allowed(void);
16
17#endif
18