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/** @file
Include file of PciSegmentPciRootBridgeIo Library.
Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.<BR>
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.
**/
#ifndef __DXE_PCI_SEGMENT_LIB__
#define __DXE_PCI_SEGMENT_LIB__
#include <PiDxe.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Library/PciSegmentLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <IndustryStandard/Acpi.h>
typedef struct {
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
UINT32 SegmentNumber;
UINT64 MinBusNumber;
UINT64 MaxBusNumber;
} PCI_ROOT_BRIDGE_DATA;
/**
Assert the validity of a PCI Segment address.
A valid PCI Segment address should not contain 1's in bits 28..31 and 48..63
@param A The address to validate.
@param M Additional bits to assert to be zero.
**/
#define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \
ASSERT (((A) & (0xffff0000f0000000ULL | (M))) == 0)
/**
Translate PCI Lib address into format of PCI Root Bridge I/O Protocol
@param A The address that encodes the PCI Bus, Device, Function and
Register.
**/
#define PCI_TO_PCI_ROOT_BRIDGE_IO_ADDRESS(A) \
((((UINT32)(A) << 4) & 0xff000000) | (((UINT32)(A) >> 4) & 0x00000700) | (((UINT32)(A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))
#endif
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