mirror of https://github.com/acidanthera/audk.git
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
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/*++
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Copyright (c) 2004, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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PciHotPlugInit.h
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Abstract:
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EFI PCI Hot Plug Init Protocol
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Revision History
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--*/
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#ifndef _EFI_PCI_HOT_PLUG_INIT_H
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#define _EFI_PCI_HOT_PLUG_INIT_H
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//
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// Global ID for the PCI Hot Plug Protocol
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//
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#define EFI_PCI_HOT_PLUG_INIT_PROTOCOL_GUID \
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{ 0xaa0e8bc1, 0xdabc, 0x46b0, 0xa8, 0x44, 0x37, 0xb8, 0x16, 0x9b, 0x2b, 0xea }
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EFI_FORWARD_DECLARATION (EFI_PCI_HOT_PLUG_INIT_PROTOCOL);
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#define EFI_HPC_STATE_INITIALIZED 0x01
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#define EFI_HPC_STATE_ENABLED 0x02
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typedef UINT16 EFI_HPC_STATE;
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typedef struct{
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EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath;
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EFI_DEVICE_PATH_PROTOCOL *HpbDevicePath;
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} EFI_HPC_LOCATION;
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typedef enum{
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EfiPaddingPciBus,
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EfiPaddingPciRootBridge
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} EFI_HPC_PADDING_ATTRIBUTES;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_GET_ROOT_HPC_LIST) (
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IN EFI_PCI_HOT_PLUG_INIT_PROTOCOL *This,
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OUT UINTN *HpcCount,
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OUT EFI_HPC_LOCATION **HpcList
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_INITIALIZE_ROOT_HPC) (
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IN EFI_PCI_HOT_PLUG_INIT_PROTOCOL *This,
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IN EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath,
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IN UINT64 HpcPciAddress,
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IN EFI_EVENT Event, OPTIONAL
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OUT EFI_HPC_STATE *HpcState
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_GET_PCI_HOT_PLUG_PADDING) (
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IN EFI_PCI_HOT_PLUG_INIT_PROTOCOL *This,
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IN EFI_DEVICE_PATH_PROTOCOL *HpcDevicePath,
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IN UINT64 HpcPciAddress,
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OUT EFI_HPC_STATE *HpcState,
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OUT VOID **Padding,
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OUT EFI_HPC_PADDING_ATTRIBUTES *Attributes
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);
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//
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// Prototypes for the PCI Hot Plug Init Protocol
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//
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typedef struct _EFI_PCI_HOT_PLUG_INIT_PROTOCOL {
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EFI_GET_ROOT_HPC_LIST GetRootHpcList;
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EFI_INITIALIZE_ROOT_HPC InitializeRootHpc;
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EFI_GET_PCI_HOT_PLUG_PADDING GetResourcePadding;
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} EFI_PCI_HOT_PLUG_INIT_PROTOCOL;
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extern EFI_GUID gEfiPciHotPlugInitProtocolGuid;
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#endif
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