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https://github.com/CloverHackyColor/CloverBootloader.git
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335 lines
15 KiB
C
335 lines
15 KiB
C
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/** @file
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ARP driver header file.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _ARP_DRIVER_H_
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#define _ARP_DRIVER_H_
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#include <Uefi.h>
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#include <Protocol/Arp.h>
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#include <Protocol/ManagedNetwork.h>
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#include <Protocol/ServiceBinding.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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//
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// Global variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gArpDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gArpComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gArpComponentName2;
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//
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// Function prototypes for the Drivr Binding Protocol
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//
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/**
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Tests to see if this driver supports a given controller.
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If a child device is provided, it further tests to see if this driver supports
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creating a handle for the specified child device.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to test. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path.
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This parameter is ignored by device drivers,
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and is optional for bus drivers.
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@retval EFI_SUCCESS The device specified by ControllerHandle and
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RemainingDevicePath is supported by the driver
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specified by This.
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@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed
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by the driver specified by This.
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@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
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RemainingDevicePath is already being managed by
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a different driver or an application that
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requires exclusive acces. Currently not implemented.
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@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
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RemainingDevicePath is not supported by the
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driver specified by This.
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**/
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EFI_STATUS
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EFIAPI
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ArpDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Start this driver on ControllerHandle.
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The Start() function is designed to be invoked from the EFI boot service ConnectController().
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As a result, much of the error checking on the parameters to Start() has been
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moved into this common boot service. It is legal to call Start() from other locations,
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but the following calling restrictions must be followed or the system behavior
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will not be deterministic.
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1. ControllerHandle must be a valid EFI_HANDLE.
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2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally
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aligned EFI_DEVICE_PATH_PROTOCOL.
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3. Prior to calling Start(), the Supported() function for the driver specified
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by This must have been called with the same calling parameters, and Supported()
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must have returned EFI_SUCCESS.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle The handle of the controller to start. This handle
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must support a protocol interface that supplies
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an I/O abstraction to the driver.
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@param[in] RemainingDevicePath A pointer to the remaining portion of a device path.
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This parameter is ignored by device drivers,
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and is optional for bus drivers.
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@retval EFI_SUCCESS The device was started.
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@retval EFI_DEVICE_ERROR The device could not be started due to a device error.
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Currently not implemented.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of
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resources.
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@retval Others The driver failded to start the device.
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**/
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EFI_STATUS
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EFIAPI
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ArpDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Stop this driver on ControllerHandle.
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Release the control of this controller and remove the IScsi functions. The Stop()
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function is designed to be invoked from the EFI boot service DisconnectController().
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As a result, much of the error checking on the parameters to Stop() has been moved
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into this common boot service. It is legal to call Stop() from other locations,
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but the following calling restrictions must be followed or the system behavior
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will not be deterministic.
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1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
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same driver's Start() function.
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2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
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EFI_HANDLE. In addition, all of these handles must have been created in this driver's
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Start() function, and the Start() function must have called OpenProtocol() on
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ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle A handle to the device being stopped. The handle must
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support a bus specific I/O protocol for the driver
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to use to stop the device.
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@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
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Not used.
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@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
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if NumberOfChildren is 0.Not used.
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@retval EFI_SUCCESS The device was stopped.
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@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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ArpDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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/**
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Creates a child handle and installs a protocol.
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The CreateChild() function installs a protocol on ChildHandle.
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If ChildHandle is a pointer to NULL, then a new handle is created and returned
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in ChildHandle. If ChildHandle is not a pointer to NULL, then the protocol
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installs on the existing ChildHandle.
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@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param ChildHandle Pointer to the handle of the child to create. If it is NULL,
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then a new handle is created. If it is a pointer to an existing
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UEFI handle, then the protocol is added to the existing UEFI handle.
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@retval EFI_SUCCES The protocol was added to ChildHandle.
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@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to create
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the child
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@retval other The child handle was not created
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**/
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EFI_STATUS
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EFIAPI
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ArpServiceBindingCreateChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN EFI_HANDLE *ChildHandle
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);
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/**
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Destroys a child handle with a protocol installed on it.
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The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
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that was installed by CreateChild() from ChildHandle. If the removed protocol is the
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last protocol on ChildHandle, then ChildHandle is destroyed.
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@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param ChildHandle Handle of the child to destroy
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@retval EFI_SUCCES The protocol was removed from ChildHandle.
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@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is
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being removed.
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@retval EFI_INVALID_PARAMETER Child handle is NULL.
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@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
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because its services are being used.
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@retval other The child handle was not destroyed
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**/
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EFI_STATUS
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EFIAPI
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ArpServiceBindingDestroyChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ChildHandle
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);
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//
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// EFI Component Name Functions
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//
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param[out] DriverName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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ArpComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param[in] ControllerHandle The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param[in] ChildHandle The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param[in] Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param[out] ControllerName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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ArpComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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#endif
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