Intel Extensible Firmware Interface - Manual (Page 428)

Extensible Firmware Interface Specification
12-10 12/01/02 Version 1.10
Related Definitions
//*******************************************************
// EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH
//*******************************************************
typedef enum {
EfiPciWidthUint8,
EfiPciWidthUint16,
EfiPciWidthUint32,
EfiPciWidthUint64,
EfiPciWidthFifoUint8,
EfiPciWidthFifoUint16,
EfiPciWidthFifoUint32,
EfiPciWidthFifoUint64,
EfiPciWidthFillUint8,
EfiPciWidthFillUint16,
EfiPciWidthFillUint32,
EfiPciWidthFillUint64,
EfiPciWidthMaximum
} EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH;
//*******************************************************
// EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_POLL_IO_MEM
//*******************************************************
typedef
EFI_STATUS
(EFIAPI *EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_POLL_IO_MEM) (
IN struct EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
*This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINT64 Mask,
IN UINT64 Value,
IN UINT64 Delay,
OUT UINT64 *Result
);
//*******************************************************
// EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_IO_MEM
//*******************************************************
typedef
EFI_STATUS
(EFIAPI *EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_IO_MEM) (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
*This,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
);