PciHostBridgeLib.h File Reference

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Data Structures
struct	PCI_ROOT_BRIDGE_APERTURE
struct	PCI_ROOT_BRIDGE

Functions
PCI_ROOT_BRIDGE *EFIAPI	PciHostBridgeGetRootBridges (UINTN *Count)
VOID EFIAPI	PciHostBridgeFreeRootBridges (PCI_ROOT_BRIDGE *Bridges, UINTN Count)
VOID EFIAPI	PciHostBridgeResourceConflict (EFI_HANDLE HostBridgeHandle, VOID *Configuration)

Detailed Description

PCI Host Bridge Library consumed by PciHostBridgeDxe driver returning the platform specific information about the PCI Host Bridge.

Copyright (c) 2016, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file PciHostBridgeLib.h.

Function Documentation

PciHostBridgeFreeRootBridges()

VOID EFIAPI PciHostBridgeFreeRootBridges	(	PCI_ROOT_BRIDGE *	Bridges,
		UINTN	Count
	)

Free the root bridge instances array returned from PciHostBridgeGetRootBridges().

Parameters

Bridges	The root bridge instances array.
Count	The count of the array.

Free the root bridge instances array returned from PciHostBridgeGetRootBridges().

Parameters

The	root bridge instances array.
The	count of the array.

Definition at line 45 of file PciHostBridgeLibNull.c.

PciHostBridgeGetRootBridges()

PCI_ROOT_BRIDGE *EFIAPI PciHostBridgeGetRootBridges

(

UINTN *

Count

)

Return all the root bridge instances in an array.

Parameters

Count

Return the count of root bridge instances.

Returns

All the root bridge instances in an array. The array should be passed into PciHostBridgeFreeRootBridges() when it's not used.

Definition at line 29 of file PciHostBridgeLibNull.c.

PciHostBridgeResourceConflict()

VOID EFIAPI PciHostBridgeResourceConflict	(	EFI_HANDLE	HostBridgeHandle,
		VOID *	Configuration
	)

Inform the platform that the resource conflict happens.

Parameters

HostBridgeHandle	Handle of the Host Bridge.
Configuration	Pointer to PCI I/O and PCI memory resource descriptors. The Configuration contains the resources for all the root bridges. The resource for each root bridge is terminated with END descriptor and an additional END is appended indicating the end of the entire resources. The resource descriptor field values follow the description in EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.SubmitResources().

Inform the platform that the resource conflict happens.

Parameters

HostBridgeHandle

Handle of the Host Bridge.

Configuration

Pointer to PCI I/O and PCI memory resource descriptors. The Configuration contains the resources for all the root bridges. The resource for each root bridge is terminated with END descriptor and an additional END is appended indicating the end of the entire resources. The resource descriptor field values follow the description in EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL .SubmitResources().

Definition at line 69 of file PciHostBridgeLibNull.c.