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1 | /** @file\r |
2 | OVMF's instance of the PCI Host Bridge Library.\r | |
3 | \r | |
4 | Copyright (C) 2016-2021, Red Hat, Inc.\r | |
5 | Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
6 | \r | |
7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
8 | \r | |
9 | **/\r | |
33d4f3e3 | 10 | #include <Library/PciHostBridgeLib.h> // PCI_ROOT_BRIDGE\r |
e120c962 | 11 | #include <Library/PciHostBridgeUtilityLib.h> // PciHostBridgeUtilit...\r |
e120c962 LE |
12 | \r |
13 | #include "PciHostBridge.h"\r | |
14 | \r | |
e120c962 LE |
15 | /**\r |
16 | Return all the root bridge instances in an array.\r | |
17 | \r | |
18 | @param Count Return the count of root bridge instances.\r | |
19 | \r | |
20 | @return All the root bridge instances in an array.\r | |
21 | The array should be passed into PciHostBridgeFreeRootBridges()\r | |
22 | when it's not used.\r | |
23 | **/\r | |
24 | PCI_ROOT_BRIDGE *\r | |
25 | EFIAPI\r | |
26 | PciHostBridgeGetRootBridges (\r | |
27 | UINTN *Count\r | |
28 | )\r | |
29 | {\r | |
33d4f3e3 | 30 | return ScanForRootBridges (Count);\r |
e120c962 LE |
31 | }\r |
32 | \r | |
33 | \r | |
34 | /**\r | |
35 | Free the root bridge instances array returned from\r | |
36 | PciHostBridgeGetRootBridges().\r | |
37 | \r | |
38 | @param The root bridge instances array.\r | |
39 | @param The count of the array.\r | |
40 | **/\r | |
41 | VOID\r | |
42 | EFIAPI\r | |
43 | PciHostBridgeFreeRootBridges (\r | |
44 | PCI_ROOT_BRIDGE *Bridges,\r | |
45 | UINTN Count\r | |
46 | )\r | |
47 | {\r | |
48 | PciHostBridgeUtilityFreeRootBridges (Bridges, Count);\r | |
49 | }\r | |
50 | \r | |
51 | \r | |
52 | /**\r | |
53 | Inform the platform that the resource conflict happens.\r | |
54 | \r | |
55 | @param HostBridgeHandle Handle of the Host Bridge.\r | |
56 | @param Configuration Pointer to PCI I/O and PCI memory resource\r | |
57 | descriptors. The Configuration contains the resources\r | |
58 | for all the root bridges. The resource for each root\r | |
59 | bridge is terminated with END descriptor and an\r | |
60 | additional END is appended indicating the end of the\r | |
61 | entire resources. The resource descriptor field\r | |
62 | values follow the description in\r | |
63 | EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL\r | |
64 | .SubmitResources().\r | |
65 | **/\r | |
66 | VOID\r | |
67 | EFIAPI\r | |
68 | PciHostBridgeResourceConflict (\r | |
69 | EFI_HANDLE HostBridgeHandle,\r | |
70 | VOID *Configuration\r | |
71 | )\r | |
72 | {\r | |
73 | PciHostBridgeUtilityResourceConflict (Configuration);\r | |
74 | }\r |