| /** @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 |