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e120c962 | 1 | /** @file\r |
8af38170 | 2 | OVMF's instance of the PCI Host Bridge Library, for Bhyve and Xen guests.\r |
e120c962 LE |
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 | |
ac0a286f | 27 | UINTN *Count\r |
e120c962 LE |
28 | )\r |
29 | {\r | |
33d4f3e3 | 30 | return ScanForRootBridges (Count);\r |
e120c962 LE |
31 | }\r |
32 | \r | |
e120c962 LE |
33 | /**\r |
34 | Free the root bridge instances array returned from\r | |
35 | PciHostBridgeGetRootBridges().\r | |
36 | \r | |
37 | @param The root bridge instances array.\r | |
38 | @param The count of the array.\r | |
39 | **/\r | |
40 | VOID\r | |
41 | EFIAPI\r | |
42 | PciHostBridgeFreeRootBridges (\r | |
ac0a286f MK |
43 | PCI_ROOT_BRIDGE *Bridges,\r |
44 | UINTN Count\r | |
e120c962 LE |
45 | )\r |
46 | {\r | |
47 | PciHostBridgeUtilityFreeRootBridges (Bridges, Count);\r | |
48 | }\r | |
49 | \r | |
e120c962 LE |
50 | /**\r |
51 | Inform the platform that the resource conflict happens.\r | |
52 | \r | |
53 | @param HostBridgeHandle Handle of the Host Bridge.\r | |
54 | @param Configuration Pointer to PCI I/O and PCI memory resource\r | |
55 | descriptors. The Configuration contains the resources\r | |
56 | for all the root bridges. The resource for each root\r | |
57 | bridge is terminated with END descriptor and an\r | |
58 | additional END is appended indicating the end of the\r | |
59 | entire resources. The resource descriptor field\r | |
60 | values follow the description in\r | |
61 | EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL\r | |
62 | .SubmitResources().\r | |
63 | **/\r | |
64 | VOID\r | |
65 | EFIAPI\r | |
66 | PciHostBridgeResourceConflict (\r | |
ac0a286f MK |
67 | EFI_HANDLE HostBridgeHandle,\r |
68 | VOID *Configuration\r | |
e120c962 LE |
69 | )\r |
70 | {\r | |
71 | PciHostBridgeUtilityResourceConflict (Configuration);\r | |
72 | }\r |