mirror of https://github.com/acidanthera/audk.git
670 lines
30 KiB
C
670 lines
30 KiB
C
/** @file
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Provides the definition of Usb Hc Protocol and OHCI controller
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private data structure.
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Copyright (c) 2013-2016 Intel Corporation.
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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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**/
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#ifndef _OHCI_H
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#define _OHCI_H
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#include <Uefi.h>
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#include <Protocol/UsbHostController.h>
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#include <Protocol/PciIo.h>
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#include <Guid/EventGroup.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <IndustryStandard/Pci.h>
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typedef struct _USB_OHCI_HC_DEV USB_OHCI_HC_DEV;
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#include "UsbHcMem.h"
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#include "OhciReg.h"
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#include "OhciSched.h"
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#include "OhciUrb.h"
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#include "Descriptor.h"
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#include "ComponentName.h"
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#include "OhciDebug.h"
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extern EFI_DRIVER_BINDING_PROTOCOL gOhciDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gOhciComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gOhciComponentName2;
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#define USB_OHCI_HC_DEV_SIGNATURE SIGNATURE_32('o','h','c','i')
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typedef struct _HCCA_MEMORY_BLOCK{
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UINT32 HccaInterruptTable[32]; // 32-bit Physical Address to ED_DESCRIPTOR
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UINT16 HccaFrameNumber;
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UINT16 HccaPad;
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UINT32 HccaDoneHead; // 32-bit Physical Address to TD_DESCRIPTOR
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UINT8 Reserved[116];
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} HCCA_MEMORY_BLOCK;
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struct _USB_OHCI_HC_DEV {
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UINTN Signature;
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EFI_USB_HC_PROTOCOL UsbHc;
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EFI_USB2_HC_PROTOCOL Usb2Hc;
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EFI_PCI_IO_PROTOCOL *PciIo;
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UINT64 OriginalPciAttributes;
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HCCA_MEMORY_BLOCK *HccaMemoryBlock;
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VOID *HccaMemoryBuf;
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VOID *HccaMemoryMapping;
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UINTN HccaMemoryPages;
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ED_DESCRIPTOR *IntervalList[6][32];
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INTERRUPT_CONTEXT_ENTRY *InterruptContextList;
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VOID *MemPool;
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UINT32 ToggleFlag;
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EFI_EVENT HouseKeeperTimer;
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//
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// ExitBootServicesEvent is used to stop the OHC DMA operation
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// after exit boot service.
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//
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EFI_EVENT ExitBootServiceEvent;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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};
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#define USB_OHCI_HC_DEV_FROM_THIS(a) CR(a, USB_OHCI_HC_DEV, UsbHc, USB_OHCI_HC_DEV_SIGNATURE)
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#define USB2_OHCI_HC_DEV_FROM_THIS(a) CR(a, USB_OHCI_HC_DEV, Usb2Hc, USB_OHCI_HC_DEV_SIGNATURE)
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//
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// Func List
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//
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/**
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Provides software reset for the USB host controller.
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@param This This EFI_USB_HC_PROTOCOL instance.
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@param Attributes A bit mask of the reset operation to perform.
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@retval EFI_SUCCESS The reset operation succeeded.
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@retval EFI_INVALID_PARAMETER Attributes is not valid.
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@retval EFI_UNSUPPOURTED The type of reset specified by Attributes is
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not currently supported by the host controller.
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@retval EFI_DEVICE_ERROR Host controller isn't halted to reset.
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**/
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EFI_STATUS
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EFIAPI
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OhciReset (
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT16 Attributes
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);
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/**
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Retrieve the current state of the USB host controller.
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@param This This EFI_USB_HC_PROTOCOL instance.
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@param State Variable to return the current host controller
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state.
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@retval EFI_SUCCESS Host controller state was returned in State.
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@retval EFI_INVALID_PARAMETER State is NULL.
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@retval EFI_DEVICE_ERROR An error was encountered while attempting to
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retrieve the host controller's current state.
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**/
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EFI_STATUS
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EFIAPI
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OhciGetState (
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IN EFI_USB_HC_PROTOCOL *This,
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OUT EFI_USB_HC_STATE *State
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);
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/**
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Sets the USB host controller to a specific state.
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@param This This EFI_USB_HC_PROTOCOL instance.
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@param State The state of the host controller that will be set.
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@retval EFI_SUCCESS The USB host controller was successfully placed
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in the state specified by State.
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@retval EFI_INVALID_PARAMETER State is invalid.
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@retval EFI_DEVICE_ERROR Failed to set the state due to device error.
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**/
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EFI_STATUS
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EFIAPI
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OhciSetState(
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IN EFI_USB_HC_PROTOCOL *This,
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IN EFI_USB_HC_STATE State
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);
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/**
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Submits control transfer to a target USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param IsSlowDevice Indicates whether the target device is slow device
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or full-speed device.
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@param MaxPaketLength Indicates the maximum packet size that the
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default control transfer endpoint is capable of
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sending or receiving.
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@param Request A pointer to the USB device request that will be sent
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to the USB device.
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@param TransferDirection Specifies the data direction for the transfer.
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There are three values available, DataIn, DataOut
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and NoData.
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@param Data A pointer to the buffer of data that will be transmitted
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to USB device or received from USB device.
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@param DataLength Indicates the size, in bytes, of the data buffer
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specified by Data.
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@param TimeOut Indicates the maximum time, in microseconds,
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which the transfer is allowed to complete.
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@param TransferResult A pointer to the detailed result information generated
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by this control transfer.
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@retval EFI_SUCCESS The control transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The control transfer could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The control transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The control transfer failed due to host controller or device error.
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Caller should check TranferResult for detailed error information.
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--*/
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EFI_STATUS
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EFIAPI
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OhciControlTransfer (
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaxPacketLength,
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IN EFI_USB_DEVICE_REQUEST *Request,
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IN EFI_USB_DATA_DIRECTION TransferDirection,
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IN OUT VOID *Data OPTIONAL,
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IN OUT UINTN *DataLength OPTIONAL,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Submits bulk transfer to a bulk endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an
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endpoint direction of the target USB device.
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Each endpoint address supports data transfer in
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one direction except the control endpoint
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(whose default endpoint address is 0).
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It is the caller's responsibility to make sure that
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the EndPointAddress represents a bulk endpoint.
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@param MaximumPacketLength Indicates the maximum packet size the target endpoint
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is capable of sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted
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to USB device or received from USB device.
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@param DataLength When input, indicates the size, in bytes, of the data buffer
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specified by Data. When output, indicates the actually
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transferred data size.
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@param DataToggle A pointer to the data toggle value. On input, it indicates
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the initial data toggle value the bulk transfer should adopt;
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on output, it is updated to indicate the data toggle value
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of the subsequent bulk transfer.
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@param TimeOut Indicates the maximum time, in microseconds, which the
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transfer is allowed to complete.
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TransferResult A pointer to the detailed result information of the
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bulk transfer.
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@retval EFI_SUCCESS The bulk transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The bulk transfer could not be submitted due to lack of resource.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The bulk transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The bulk transfer failed due to host controller or device error.
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Caller should check TranferResult for detailed error information.
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**/
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EFI_STATUS
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EFIAPI
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OhciBulkTransfer(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN UINT8 MaxPacketLength,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN OUT UINT8 *DataToggle,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Submits an interrupt transfer to an interrupt endpoint of a USB device.
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@param Ohc Device private data
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the
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control endpoint (whose default endpoint address is 0).
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It is the caller's responsibility to make sure that
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the EndPointAddress represents an interrupt endpoint.
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@param IsSlowDevice Indicates whether the target device is slow device
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or full-speed device.
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@param MaxPacketLength Indicates the maximum packet size the target endpoint
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is capable of sending or receiving.
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@param IsNewTransfer If TRUE, an asynchronous interrupt pipe is built between
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the host and the target interrupt endpoint.
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If FALSE, the specified asynchronous interrupt pipe
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is canceled.
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@param DataToggle A pointer to the data toggle value. On input, it is valid
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when IsNewTransfer is TRUE, and it indicates the initial
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data toggle value the asynchronous interrupt transfer
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should adopt.
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On output, it is valid when IsNewTransfer is FALSE,
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and it is updated to indicate the data toggle value of
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the subsequent asynchronous interrupt transfer.
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@param PollingInterval Indicates the interval, in milliseconds, that the
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asynchronous interrupt transfer is polled.
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This parameter is required when IsNewTransfer is TRUE.
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@param UCBuffer Uncacheable buffer
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@param DataLength Indicates the length of data to be received at the
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rate specified by PollingInterval from the target
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asynchronous interrupt endpoint. This parameter
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is only required when IsNewTransfer is TRUE.
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@param CallBackFunction The Callback function.This function is called at the
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rate specified by PollingInterval.This parameter is
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only required when IsNewTransfer is TRUE.
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@param Context The context that is passed to the CallBackFunction.
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This is an optional parameter and may be NULL.
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@param IsPeriodic Periodic interrupt or not
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@param OutputED The correspoding ED carried out
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@param OutputTD The correspoding TD carried out
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@retval EFI_SUCCESS The asynchronous interrupt transfer request has been successfully
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submitted or canceled.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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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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OhciInterruptTransfer (
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IN USB_OHCI_HC_DEV *Ohc,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaxPacketLength,
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IN BOOLEAN IsNewTransfer,
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IN OUT UINT8 *DataToggle OPTIONAL,
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IN UINTN PollingInterval OPTIONAL,
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IN VOID *UCBuffer OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction OPTIONAL,
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IN VOID *Context OPTIONAL,
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IN BOOLEAN IsPeriodic OPTIONAL,
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OUT ED_DESCRIPTOR **OutputED OPTIONAL,
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OUT TD_DESCRIPTOR **OutputTD OPTIONAL
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);
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/**
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Submits an asynchronous interrupt transfer to an interrupt endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the
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control endpoint (whose default endpoint address is 0).
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It is the caller's responsibility to make sure that
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the EndPointAddress represents an interrupt endpoint.
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@param IsSlowDevice Indicates whether the target device is slow device
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or full-speed device.
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@param MaxiumPacketLength Indicates the maximum packet size the target endpoint
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is capable of sending or receiving.
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@param IsNewTransfer If TRUE, an asynchronous interrupt pipe is built between
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the host and the target interrupt endpoint.
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If FALSE, the specified asynchronous interrupt pipe
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is canceled.
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@param DataToggle A pointer to the data toggle value. On input, it is valid
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when IsNewTransfer is TRUE, and it indicates the initial
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data toggle value the asynchronous interrupt transfer
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should adopt.
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On output, it is valid when IsNewTransfer is FALSE,
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and it is updated to indicate the data toggle value of
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the subsequent asynchronous interrupt transfer.
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@param PollingInterval Indicates the interval, in milliseconds, that the
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asynchronous interrupt transfer is polled.
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This parameter is required when IsNewTransfer is TRUE.
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@param DataLength Indicates the length of data to be received at the
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rate specified by PollingInterval from the target
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asynchronous interrupt endpoint. This parameter
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is only required when IsNewTransfer is TRUE.
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@param CallBackFunction The Callback function.This function is called at the
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rate specified by PollingInterval.This parameter is
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only required when IsNewTransfer is TRUE.
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@param Context The context that is passed to the CallBackFunction.
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This is an optional parameter and may be NULL.
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@retval EFI_SUCCESS The asynchronous interrupt transfer request has been successfully
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submitted or canceled.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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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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EFIAPI
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OhciAsyncInterruptTransfer (
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaxPacketLength,
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IN BOOLEAN IsNewTransfer,
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IN OUT UINT8 *DataToggle OPTIONAL,
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IN UINTN PollingInterval OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction OPTIONAL,
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IN VOID *Context OPTIONAL
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);
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/**
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Submits synchronous interrupt transfer to an interrupt endpoint
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of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint
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address supports data transfer in one direction
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except the control endpoint (whose default
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endpoint address is 0). It is the caller's responsibility
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to make sure that the EndPointAddress represents
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an interrupt endpoint.
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@param IsSlowDevice Indicates whether the target device is slow device
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or full-speed device.
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@param MaxPacketLength Indicates the maximum packet size the target endpoint
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is capable of sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted
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to USB device or received from USB device.
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@param DataLength On input, the size, in bytes, of the data buffer specified
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by Data. On output, the number of bytes transferred.
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@param DataToggle A pointer to the data toggle value. On input, it indicates
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the initial data toggle value the synchronous interrupt
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transfer should adopt;
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on output, it is updated to indicate the data toggle value
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of the subsequent synchronous interrupt transfer.
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@param TimeOut Indicates the maximum time, in microseconds, which the
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transfer is allowed to complete.
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@param TransferResult A pointer to the detailed result information from
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the synchronous interrupt transfer.
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@retval EFI_UNSUPPORTED This interface not available.
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@retval EFI_INVALID_PARAMETER Parameters not follow spec
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**/
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EFI_STATUS
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EFIAPI
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OhciSyncInterruptTransfer (
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaxPacketLength,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN OUT UINT8 *DataToggle,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Submits isochronous transfer to a target USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param EndPointAddress End point address
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@param MaximumPacketLength Indicates the maximum packet size that the
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default control transfer endpoint is capable of
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sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted
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to USB device or received from USB device.
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@param DataLength Indicates the size, in bytes, of the data buffer
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specified by Data.
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@param TransferResult A pointer to the detailed result information generated
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by this control transfer.
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@retval EFI_UNSUPPORTED This interface not available
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@retval EFI_INVALID_PARAMETER Data is NULL or DataLength is 0 or TransferResult is NULL
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**/
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EFI_STATUS
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EFIAPI
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OhciIsochronousTransfer (
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN UINT8 MaximumPacketLength,
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IN OUT VOID *Data,
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IN OUT UINTN DataLength,
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OUT UINT32 *TransferResult
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);
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/**
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Submits Async isochronous transfer to a target USB device.
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@param his A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB,
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which is assigned during USB enumeration.
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@param EndPointAddress End point address
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@param MaximumPacketLength Indicates the maximum packet size that the
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default control transfer endpoint is capable of
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sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted
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to USB device or received from USB device.
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@param IsochronousCallBack When the transfer complete, the call back function will be called
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@param Context Pass to the call back function as parameter
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@retval EFI_UNSUPPORTED This interface not available
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@retval EFI_INVALID_PARAMETER Data is NULL or Datalength is 0
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**/
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EFI_STATUS
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EFIAPI
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OhciAsyncIsochronousTransfer (
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|
IN EFI_USB_HC_PROTOCOL *This,
|
|
IN UINT8 DeviceAddress,
|
|
IN UINT8 EndPointAddress,
|
|
IN UINT8 MaximumPacketLength,
|
|
IN OUT VOID *Data,
|
|
IN OUT UINTN DataLength,
|
|
IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,
|
|
IN VOID *Context OPTIONAL
|
|
);
|
|
|
|
/**
|
|
|
|
Retrieves the number of root hub ports.
|
|
|
|
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
|
|
@param NumOfPorts A pointer to the number of the root hub ports.
|
|
|
|
@retval EFI_SUCCESS The port number was retrieved successfully.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OhciGetRootHubNumOfPorts (
|
|
IN EFI_USB_HC_PROTOCOL *This,
|
|
OUT UINT8 *NumOfPorts
|
|
);
|
|
/**
|
|
|
|
Retrieves the current status of a USB root hub port.
|
|
|
|
@param This A pointer to the EFI_USB_HC_PROTOCOL.
|
|
@param PortNumber Specifies the root hub port from which the status
|
|
is to be retrieved. This value is zero-based. For example,
|
|
if a root hub has two ports, then the first port is numbered 0,
|
|
and the second port is numbered 1.
|
|
@param PortStatus A pointer to the current port status bits and
|
|
port status change bits.
|
|
|
|
@retval EFI_SUCCESS The status of the USB root hub port specified by PortNumber
|
|
was returned in PortStatus.
|
|
@retval EFI_INVALID_PARAMETER Port number not valid
|
|
**/
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OhciGetRootHubPortStatus (
|
|
IN EFI_USB_HC_PROTOCOL *This,
|
|
IN UINT8 PortNumber,
|
|
OUT EFI_USB_PORT_STATUS *PortStatus
|
|
);
|
|
|
|
/**
|
|
|
|
Sets a feature for the specified root hub port.
|
|
|
|
@param This A pointer to the EFI_USB_HC_PROTOCOL.
|
|
@param PortNumber Specifies the root hub port whose feature
|
|
is requested to be set.
|
|
@param PortFeature Indicates the feature selector associated
|
|
with the feature set request.
|
|
|
|
@retval EFI_SUCCESS The feature specified by PortFeature was set for the
|
|
USB root hub port specified by PortNumber.
|
|
@retval EFI_DEVICE_ERROR Set feature failed because of hardware issue
|
|
@retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OhciSetRootHubPortFeature (
|
|
IN EFI_USB_HC_PROTOCOL *This,
|
|
IN UINT8 PortNumber,
|
|
IN EFI_USB_PORT_FEATURE PortFeature
|
|
);
|
|
/**
|
|
|
|
Clears a feature for the specified root hub port.
|
|
|
|
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
|
|
@param PortNumber Specifies the root hub port whose feature
|
|
is requested to be cleared.
|
|
@param PortFeature Indicates the feature selector associated with the
|
|
feature clear request.
|
|
|
|
@retval EFI_SUCCESS The feature specified by PortFeature was cleared for the
|
|
USB root hub port specified by PortNumber.
|
|
@retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
|
|
@retval EFI_DEVICE_ERROR Some error happened when clearing feature
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OhciClearRootHubPortFeature (
|
|
IN EFI_USB_HC_PROTOCOL *This,
|
|
IN UINT8 PortNumber,
|
|
IN EFI_USB_PORT_FEATURE PortFeature
|
|
);
|
|
|
|
|
|
/**
|
|
Test to see if this driver supports ControllerHandle. Any
|
|
ControllerHandle that has UsbHcProtocol installed will be supported.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param Controller Handle of device to test.
|
|
@param RemainingDevicePath Not used.
|
|
|
|
@return EFI_SUCCESS This driver supports this device.
|
|
@return EFI_UNSUPPORTED This driver does not support this device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
|
|
OHCIDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Starting the Usb OHCI Driver.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param Controller Handle of device to test.
|
|
@param RemainingDevicePath Not used.
|
|
|
|
@retval EFI_SUCCESS This driver supports this device.
|
|
@retval EFI_UNSUPPORTED This driver does not support this device.
|
|
@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
|
|
EFI_OUT_OF_RESOURCES- Failed due to resource shortage.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OHCIDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Stop this driver on ControllerHandle. Support stopping any child handles
|
|
created by this driver.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param Controller Handle of device to stop driver on.
|
|
@param NumberOfChildren Number of Children in the ChildHandleBuffer.
|
|
@param ChildHandleBuffer List of handles for the children we need to stop.
|
|
|
|
@return EFI_SUCCESS
|
|
@return others
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
OHCIDriverBindingStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer
|
|
);
|
|
|
|
#endif
|