mirror of https://gitee.com/openkylin/linux.git
17 lines
508 B
C
17 lines
508 B
C
#ifndef ASM_PCI_DIRECT_H
|
|
#define ASM_PCI_DIRECT_H 1
|
|
|
|
#include <linux/types.h>
|
|
|
|
/* Direct PCI access. This is used for PCI accesses in early boot before
|
|
the PCI subsystem works. */
|
|
|
|
extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
|
|
extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
|
|
extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
|
|
extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
|
|
|
|
extern int early_pci_allowed(void);
|
|
|
|
#endif
|