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/** @file
Provides services to return segment information on a platform with multiple PCI segments.
This library is consumed by PciSegmentLib to support multiple segment PCI configuration access.
Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __PCI_SEGMENT_INFO_LIB__
#define __PCI_SEGMENT_INFO_LIB__
typedef struct {
UINT16 SegmentNumber; ///< Segment number.
UINT64 BaseAddress; ///< ECAM Base address.
UINT8 StartBusNumber; ///< Start BUS number, for verifying the PCI Segment address.
UINT8 EndBusNumber; ///< End BUS number, for verifying the PCI Segment address.
} PCI_SEGMENT_INFO;
/**
Return an array of PCI_SEGMENT_INFO holding the segment information.
Note: The returned array/buffer is owned by callee.
@param Count Return the count of segments.
@retval A callee owned array holding the segment information.
**/
PCI_SEGMENT_INFO *
EFIAPI
GetPciSegmentInfo (
UINTN *Count
);
#endif
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