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/*++
Copyright (c) 2004, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
CpuIO.h
Abstract:
CPU IO Protocol as defined in Tiano
This code abstracts the CPU IO Protocol
--*/
#ifndef _CPUIO_H_
#define _CPUIO_H_
#define EFI_CPU_IO_PROTOCOL_GUID \
{ \
0xB0732526, 0x38C8, 0x4b40, 0x88, 0x77, 0x61, 0xC7, 0xB0, 0x6A, 0xAC, 0x45 \
}
EFI_FORWARD_DECLARATION (EFI_CPU_IO_PROTOCOL);
//
// *******************************************************
// EFI_CPU_IO_PROTOCOL_WIDTH
// *******************************************************
//
typedef enum {
EfiCpuIoWidthUint8,
EfiCpuIoWidthUint16,
EfiCpuIoWidthUint32,
EfiCpuIoWidthUint64,
EfiCpuIoWidthFifoUint8,
EfiCpuIoWidthFifoUint16,
EfiCpuIoWidthFifoUint32,
EfiCpuIoWidthFifoUint64,
EfiCpuIoWidthFillUint8,
EfiCpuIoWidthFillUint16,
EfiCpuIoWidthFillUint32,
EfiCpuIoWidthFillUint64,
EfiCpuIoWidthMaximum
} EFI_CPU_IO_PROTOCOL_WIDTH;
//
// *******************************************************
// EFI_CPU_IO_PROTOCOL_IO_MEM
// *******************************************************
//
typedef
EFI_STATUS
EFI_RUNTIMESERVICE
(EFIAPI *EFI_CPU_IO_PROTOCOL_IO_MEM) (
IN EFI_CPU_IO_PROTOCOL * This,
IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
);
//
// *******************************************************
// EFI_CPU_IO_PROTOCOL_ACCESS
// *******************************************************
//
typedef struct {
EFI_CPU_IO_PROTOCOL_IO_MEM Read;
EFI_CPU_IO_PROTOCOL_IO_MEM Write;
} EFI_CPU_IO_PROTOCOL_ACCESS;
//
// *******************************************************
// EFI_CPU_IO_PROTOCOL
// *******************************************************
//
typedef struct _EFI_CPU_IO_PROTOCOL {
EFI_CPU_IO_PROTOCOL_ACCESS Mem;
EFI_CPU_IO_PROTOCOL_ACCESS Io;
} EFI_CPU_IO_PROTOCOL;
extern EFI_GUID gEfiCpuIoProtocolGuid;
#endif
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