/** @file | |
Include file of PciSegmentPciRootBridgeIo Library. | |
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#ifndef __DXE_PCI_SEGMENT_LIB__ | |
#define __DXE_PCI_SEGMENT_LIB__ | |
#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 |