/** @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, 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 __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 * | |
GetPciSegmentInfo ( | |
UINTN *Count | |
); | |
#endif |