audk/EdkCompatibilityPkg/Foundation/Framework/Protocol/PciHotPlugInit/PciHotPlugInit.h

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/*++
Copyright (c) 2004, Intel Corporation
All rights reserved. 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.
Module Name:
PciHotPlugInit.h
Abstract:
EFI PCI Hot Plug Init Protocol
Revision History
--*/
#ifndef _EFI_PCI_HOT_PLUG_INIT_H
#define _EFI_PCI_HOT_PLUG_INIT_H
//
// Global ID for the PCI Hot Plug Protocol
//
#define EFI_PCI_HOT_PLUG_INIT_PROTOCOL_GUID \
{ 0xaa0e8bc1, 0xdabc, 0x46b0, 0xa8, 0x44, 0x37, 0xb8, 0x16, 0x9b, 0x2b, 0xea }
EFI_FORWARD_DECLARATION (EFI_PCI_HOT_PLUG_INIT_PROTOCOL);
#define EFI_HPC_STATE_INITIALIZED 0x01
#define EFI_HPC_STATE_ENABLED 0x02
typedef UINT16 EFI_HPC_STATE;
typedef struct{
EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath;
EFI_DEVICE_PATH_PROTOCOL *HpbDevicePath;
} EFI_HPC_LOCATION;
typedef enum{
EfiPaddingPciBus,
EfiPaddingPciRootBridge
} EFI_HPC_PADDING_ATTRIBUTES;
typedef
EFI_STATUS
(EFIAPI *EFI_GET_ROOT_HPC_LIST) (
IN EFI_PCI_HOT_PLUG_INIT_PROTOCOL *This,
OUT UINTN *HpcCount,
OUT EFI_HPC_LOCATION **HpcList
);
typedef
EFI_STATUS
(EFIAPI *EFI_INITIALIZE_ROOT_HPC) (
IN EFI_PCI_HOT_PLUG_INIT_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath,
IN UINT64 HpcPciAddress,
IN EFI_EVENT Event, OPTIONAL
OUT EFI_HPC_STATE *HpcState
);
typedef
EFI_STATUS
(EFIAPI *EFI_GET_PCI_HOT_PLUG_PADDING) (
IN EFI_PCI_HOT_PLUG_INIT_PROTOCOL *This,
IN EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath,
IN UINT64 HpcPciAddress,
OUT EFI_HPC_STATE *HpcState,
OUT VOID **Padding,
OUT EFI_HPC_PADDING_ATTRIBUTES *Attributes
);
//
// Prototypes for the PCI Hot Plug Init Protocol
//
typedef struct _EFI_PCI_HOT_PLUG_INIT_PROTOCOL {
EFI_GET_ROOT_HPC_LIST GetRootHpcList;
EFI_INITIALIZE_ROOT_HPC InitializeRootHpc;
EFI_GET_PCI_HOT_PLUG_PADDING GetResourcePadding;
} EFI_PCI_HOT_PLUG_INIT_PROTOCOL;
extern EFI_GUID gEfiPciHotPlugInitProtocolGuid;
#endif