2 Include file of PciSegmentPciRootBridgeIo Library.
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4 Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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5 This program and the accompanying materials are
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6 licensed and made available under the terms and conditions of
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7 the BSD License which accompanies this distribution. The full
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8 text of the license may be found at
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9 http://opensource.org/licenses/bsd-license.php.
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11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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16 #ifndef __DXE_PCI_SEGMENT_LIB__
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17 #define __DXE_PCI_SEGMENT_LIB__
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20 #include <Protocol/PciRootBridgeIo.h>
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22 #include <Library/PciSegmentLib.h>
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23 #include <Library/BaseLib.h>
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24 #include <Library/MemoryAllocationLib.h>
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25 #include <Library/UefiBootServicesTableLib.h>
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26 #include <Library/DebugLib.h>
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28 #include <IndustryStandard/Acpi.h>
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31 EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
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32 UINT32 SegmentNumber;
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33 UINT64 MinBusNumber;
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34 UINT64 MaxBusNumber;
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35 } PCI_ROOT_BRIDGE_DATA;
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38 Assert the validity of a PCI Segment address.
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39 A valid PCI Segment address should not contain 1's in bits 28..31 and 48..63
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41 @param A The address to validate.
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42 @param M Additional bits to assert to be zero.
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45 #define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \
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46 ASSERT (((A) & (0xffff0000f0000000ULL | (M))) == 0)
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49 Translate PCI Lib address into format of PCI Root Bridge I/O Protocol
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51 @param A The address that encodes the PCI Bus, Device, Function and
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55 #define PCI_TO_PCI_ROOT_BRIDGE_IO_ADDRESS(A) \
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56 ((((UINT32)(A) << 4) & 0xff000000) | (((UINT32)(A) >> 4) & 0x00000700) | (((UINT32)(A) << 1) & 0x001f0000) | (LShiftU64((A) & 0xfff, 32)))
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