| /** @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 |