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1 | /** @file\r |
2 | Provides services to return segment information on a platform with multiple PCI segments.\r | |
3 | \r | |
4 | This library is consumed by PciSegmentLib to support multiple segment PCI configuration access.\r | |
5 | \r | |
6 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
7 | This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef __PCI_SEGMENT_INFO_LIB__\r | |
18 | #define __PCI_SEGMENT_INFO_LIB__\r | |
19 | \r | |
20 | typedef struct {\r | |
21 | UINT16 SegmentNumber; ///< Segment number.\r | |
22 | UINT64 BaseAddress; ///< ECAM Base address.\r | |
23 | UINT8 StartBusNumber; ///< Start BUS number, for verifying the PCI Segment address.\r | |
24 | UINT8 EndBusNumber; ///< End BUS number, for verifying the PCI Segment address.\r | |
25 | } PCI_SEGMENT_INFO;\r | |
26 | \r | |
27 | /**\r | |
28 | Return an array of PCI_SEGMENT_INFO holding the segment information.\r | |
29 | \r | |
30 | Note: The returned array/buffer is owned by callee.\r | |
31 | \r | |
32 | @param Count Return the count of segments.\r | |
33 | \r | |
34 | @retval A callee owned array holding the segment information.\r | |
35 | **/\r | |
36 | PCI_SEGMENT_INFO *\r | |
37 | GetPciSegmentInfo (\r | |
38 | UINTN *Count\r | |
39 | );\r | |
40 | \r | |
41 | #endif\r |