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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4908 6f19259b-4bc3-4df7-8a09-765794883524
400 lines
10 KiB
C
400 lines
10 KiB
C
/** @file
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Copyright (c) 2006 - 2007, 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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PciLib.h
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Abstract:
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PCI Bus Driver Lib header file.
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Please use PCD feature flag PcdPciBusHotplugDeviceSupport to enable
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support hot plug.
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Revision History
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**/
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#ifndef _EFI_PCI_LIB_H
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#define _EFI_PCI_LIB_H
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//
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// Mask definistions for PCD PcdPciIncompatibleDeviceSupportMask
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//
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#define PCI_INCOMPATIBLE_ACPI_RESOURCE_SUPPORT 0x01
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#define PCI_INCOMPATIBLE_READ_SUPPORT 0x02
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#define PCI_INCOMPATIBLE_WRITE_SUPPORT 0x04
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#define PCI_INCOMPATIBLE_REGISTER_UPDATE_SUPPORT 0x08
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#define PCI_INCOMPATIBLE_ACCESS_WIDTH_SUPPORT 0x0a
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typedef struct {
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EFI_HANDLE Handle;
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} EFI_DEVICE_HANDLE_EXTENDED_DATA_PAYLOAD;
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typedef struct {
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UINT32 Bar;
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UINT16 DevicePathSize;
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UINT16 ReqResSize;
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UINT16 AllocResSize;
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UINT8 *DevicePath;
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UINT8 *ReqRes;
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UINT8 *AllocRes;
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} EFI_RESOURCE_ALLOC_FAILURE_ERROR_DATA_PAYLOAD;
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void
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InstallHotPlugRequestProtocol (
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IN EFI_STATUS *Status
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Status - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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VOID
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InstallPciHotplugGuid (
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IN PCI_IO_DEVICE *PciIoDevice
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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PciIoDevice - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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VOID
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UninstallPciHotplugGuid (
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IN PCI_IO_DEVICE *PciIoDevice
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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PciIoDevice - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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VOID
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GetBackPcCardBar (
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IN PCI_IO_DEVICE *PciIoDevice
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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PciIoDevice - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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RemoveRejectedPciDevices (
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EFI_HANDLE RootBridgeHandle,
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IN PCI_IO_DEVICE *Bridge
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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RootBridgeHandle - TODO: add argument description
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Bridge - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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PciHostBridgeResourceAllocator (
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IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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PciResAlloc - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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PciHostBridgeResourceAllocator_WithoutHotPlugDeviceSupport (
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IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
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)
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;
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EFI_STATUS
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PciHostBridgeResourceAllocator_WithHotPlugDeviceSupport (
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IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
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)
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;
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EFI_STATUS
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PciScanBus (
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IN PCI_IO_DEVICE *Bridge,
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IN UINT8 StartBusNumber,
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OUT UINT8 *SubBusNumber,
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OUT UINT8 *PaddedBusRange
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Bridge - TODO: add argument description
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StartBusNumber - TODO: add argument description
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SubBusNumber - TODO: add argument description
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PaddedBusRange - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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PciScanBus_WithHotPlugDeviceSupport (
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IN PCI_IO_DEVICE *Bridge,
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IN UINT8 StartBusNumber,
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OUT UINT8 *SubBusNumber,
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OUT UINT8 *PaddedBusRange
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)
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;
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EFI_STATUS
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PciScanBus_WithoutHotPlugDeviceSupport (
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IN PCI_IO_DEVICE *Bridge,
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IN UINT8 StartBusNumber,
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OUT UINT8 *SubBusNumber,
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OUT UINT8 *PaddedBusRange
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)
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;
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EFI_STATUS
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PciRootBridgeP2CProcess (
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IN PCI_IO_DEVICE *Bridge
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Bridge - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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PciHostBridgeP2CProcess (
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IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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PciResAlloc - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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PciHostBridgeEnumerator (
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EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *PciResAlloc
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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PciResAlloc - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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/**
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Read PCI configuration space through EFI_PCI_IO_PROTOCOL.
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@param PciIo A pointer to the EFI_PCI_O_PROTOCOL.
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@param Width Signifies the width of the memory operations.
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@Param Address The address within the PCI configuration space for the PCI controller.
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@param Buffer For read operations, the destination buffer to store the results. For
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write operations, the source buffer to write data from.
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@retval EFI_SUCCESS The data was read from or written to the PCI root bridge.
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@retval EFI_INVALID_PARAMETER Width is invalid for this PCI root bridge.
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@retval EFI_INVALID_PARAMETER Buffer is NULL.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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**/
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EFI_STATUS
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PciIoRead (
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IN EFI_PCI_IO_PROTOCOL *PciIo,
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IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
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IN UINT32 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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);
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/**
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Write PCI configuration space through EFI_PCI_IO_PROTOCOL.
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@param PciIo A pointer to the EFI_PCI_O_PROTOCOL.
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@param Width Signifies the width of the memory operations.
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@Param Address The address within the PCI configuration space for the PCI controller.
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@param Buffer For read operations, the destination buffer to store the results. For
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write operations, the source buffer to write data from.
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@retval EFI_SUCCESS The data was read from or written to the PCI root bridge.
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@retval EFI_INVALID_PARAMETER Width is invalid for this PCI root bridge.
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@retval EFI_INVALID_PARAMETER Buffer is NULL.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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**/
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EFI_STATUS
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PciIoWrite (
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IN EFI_PCI_IO_PROTOCOL *PciIo,
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IN EFI_PCI_IO_PROTOCOL_WIDTH Width,
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IN UINT32 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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);
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/**
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Write PCI configuration space through EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
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@param PciRootBridgeIo A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
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@param Pci A pointer to PCI_TYPE00.
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@param Width Signifies the width of the memory operations.
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@Param Address The address within the PCI configuration space for the PCI controller.
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@param Buffer For read operations, the destination buffer to store the results. For
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write operations, the source buffer to write data from.
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@retval EFI_SUCCESS The data was read from or written to the PCI root bridge.
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@retval EFI_INVALID_PARAMETER Width is invalid for this PCI root bridge.
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@retval EFI_INVALID_PARAMETER Buffer is NULL.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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**/
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EFI_STATUS
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PciRootBridgeIoWrite (
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IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
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IN PCI_TYPE00 *Pci,
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IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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);
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/**
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Read PCI configuration space through EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
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@param PciRootBridgeIo A pointer to the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
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@param Pci A pointer to PCI_TYPE00.
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@param Width Signifies the width of the memory operations.
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@Param Address The address within the PCI configuration space for the PCI controller.
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@param Buffer For read operations, the destination buffer to store the results. For
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write operations, the source buffer to write data from.
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@retval EFI_SUCCESS The data was read from or written to the PCI root bridge.
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@retval EFI_INVALID_PARAMETER Width is invalid for this PCI root bridge.
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@retval EFI_INVALID_PARAMETER Buffer is NULL.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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**/
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EFI_STATUS
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PciRootBridgeIoRead (
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IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
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IN PCI_TYPE00 *Pci,
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IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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);
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#endif
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