Intel Extensible Firmware Interface - Manual (Page 477)

Protocols — PCI Bus Support
Version 1.10 12/01/02 12-59
//*******************************************************
// EFI_PCI_IO_PROTOCOL_IO_MEM
//*******************************************************
typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_IO_MEM) (
IN EFI_PCI_IO_PROTOCOL
*This,
IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
IN UINT8 BarIndex,
IN UINT64 Offset,
IN UINTN Count,
IN OUT VOID *Buffer
);
//*******************************************************
// EFI_PCI_IO_PROTOCOL_ACCESS
//*******************************************************
typedef struct {
EFI_PCI_IO_PROTOCOL_IO_MEM
Read;
EFI_PCI_IO_PROTOCOL_IO_MEM Write;
} EFI_PCI_IO_PROTOCOL_ACCESS;
//*******************************************************
// EFI_PCI_IO_PROTOCOL_CONFIG
//*******************************************************
typedef
EFI_STATUS
(EFIAPI *EFI_PCI_IO_PROTOCOL_CONFIG) (
IN EFI_PCI_IO_PROTOCOL
*This,
IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
IN UINT32 Offset,
IN UINTN Count,
IN OUT VOID *Buffer
);
//*******************************************************
// EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS
//*******************************************************
typedef struct {
EFI_PCI_IO_PROTOCOL_CONFIG
Read;
EFI_PCI_IO_PROTOCOL_CONFIG Write;
} EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS;