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42 lines
1.4 KiB
42 lines
1.4 KiB
4 years ago
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/** @file
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Provides services to return segment information on a platform with multiple PCI segments.
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This library is consumed by PciSegmentLib to support multiple segment PCI configuration access.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PCI_SEGMENT_INFO_LIB__
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#define __PCI_SEGMENT_INFO_LIB__
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typedef struct {
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UINT16 SegmentNumber; ///< Segment number.
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UINT64 BaseAddress; ///< ECAM Base address.
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UINT8 StartBusNumber; ///< Start BUS number, for verifying the PCI Segment address.
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UINT8 EndBusNumber; ///< End BUS number, for verifying the PCI Segment address.
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} PCI_SEGMENT_INFO;
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/**
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Return an array of PCI_SEGMENT_INFO holding the segment information.
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Note: The returned array/buffer is owned by callee.
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@param Count Return the count of segments.
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@retval A callee owned array holding the segment information.
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**/
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PCI_SEGMENT_INFO *
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GetPciSegmentInfo (
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UINTN *Count
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);
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#endif
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