mirror of https://github.com/acidanthera/audk.git
413 lines
19 KiB
C
413 lines
19 KiB
C
/** @file
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Values defined and used by the Opal UEFI Driver.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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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 _OPAL_DRIVER_H_
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#define _OPAL_DRIVER_H_
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#include <PiDxe.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/SmmCommunication.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/DevicePathToText.h>
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#include <Protocol/StorageSecurityCommand.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/BaseLib.h>
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#include <Library/PrintLib.h>
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#include <Library/DebugLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/HiiLib.h>
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#include <Library/UefiHiiServicesLib.h>
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#include <Library/TcgStorageOpalLib.h>
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#include <Library/OpalPasswordSupportLib.h>
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#include <Library/Tcg2PhysicalPresenceLib.h>
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#define EFI_DRIVER_NAME_UNICODE L"1.0 UEFI Opal Driver"
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// UEFI 2.1
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#define LANGUAGE_RFC_3066_ENGLISH ((CHAR8*)"en")
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// UEFI/EFI < 2.1
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#define LANGUAGE_ISO_639_2_ENGLISH ((CHAR8*)"eng")
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#define UNLOCK_VAR_NAME (const CHAR16*)L"UNLOCK"
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#define OPAL_FILTER_DRIVER_VAR_NAME L"FILTER_DRIVER"
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#define CONCAT_(x, y) x ## y
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#define CONCAT(x, y) CONCAT_(x, y)
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#define UNICODE_STR(x) CONCAT( L, x )
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extern EFI_DRIVER_BINDING_PROTOCOL gOpalDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gOpalComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gOpalComponentName2;
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/**
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Unloads UEFI Driver. Very useful for debugging and testing.
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@param ImageHandle Image handle this driver.
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@retval EFI_SUCCESS This function always complete successfully.
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@retval EFI_INVALID_PARAMETER The input ImageHandle is not valid.
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**/
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EFI_STATUS
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EFIAPI
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EfiDriverUnload(
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EFI_HANDLE ImageHandle
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);
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/**
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Test to see if this driver supports Controller.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device.
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@retval EFI_ALREADY_STARTED This driver is already running on this device.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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OpalEfiDriverBindingSupported(
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EFI_DRIVER_BINDING_PROTOCOL* This,
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EFI_HANDLE Controller,
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EFI_DEVICE_PATH_PROTOCOL* RemainingDevicePath
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);
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/**
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Enables Opal Management on a supported device if available.
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The start function is designed to be called after the Opal UEFI Driver has confirmed the
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"controller", which is a child handle, contains the EF_STORAGE_SECURITY_COMMAND protocols.
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This function will complete the other necessary checks, such as verifying the device supports
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the correct version of Opal. Upon verification, it will add the device to the
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Opal HII list in order to expose Opal managmeent options.
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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. This
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parameter is ignored by device drivers, and is optional for bus
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drivers. For a bus driver, if this parameter is NULL, then handles
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for all the children of Controller are created by this driver.
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If this parameter is not NULL and the first Device Path Node is
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not the End of Device Path Node, then only the handle for the
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child device specified by the first Device Path Node of
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RemainingDevicePath is created by this driver.
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If the first Device Path Node of RemainingDevicePath is
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the End of Device Path Node, no child handle is created by this
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driver.
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@retval EFI_SUCCESS Opal management was enabled.
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@retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
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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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@retval Others The driver failed to start the device.
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**/
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EFI_STATUS
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EFIAPI
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OpalEfiDriverBindingStart(
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EFI_DRIVER_BINDING_PROTOCOL* This,
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EFI_HANDLE Controller,
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EFI_DEVICE_PATH_PROTOCOL* RemainingDevicePath
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);
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/**
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Stop this driver on Controller.
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@param This Protocol instance pointer.
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@param Controller Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed Controller.
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@retval other This driver could not be removed from this device.
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**/
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EFI_STATUS
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EFIAPI
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OpalEfiDriverBindingStop(
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EFI_DRIVER_BINDING_PROTOCOL* This,
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EFI_HANDLE Controller,
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UINTN NumberOfChildren,
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EFI_HANDLE* ChildHandleBuffer
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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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language[in] 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 DriverName[out] 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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OpalEfiDriverComponentNameGetDriverName(
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EFI_COMPONENT_NAME_PROTOCOL* This,
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CHAR8* Language,
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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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle[in] 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 ChildHandle[in] 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 Language[in] 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 ControllerName[out] 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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OpalEfiDriverComponentNameGetControllerName(
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EFI_COMPONENT_NAME_PROTOCOL* This,
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EFI_HANDLE ControllerHandle,
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EFI_HANDLE ChildHandle,
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CHAR8* Language,
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CHAR16** ControllerName
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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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language[in] 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 DriverName[out] 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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OpalEfiDriverComponentName2GetDriverName(
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EFI_COMPONENT_NAME2_PROTOCOL* This,
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CHAR8* Language,
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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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle[in] 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 ChildHandle[in] 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 Language[in] 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 ControllerName[out] 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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OpalEfiDriverComponentName2GetControllerName(
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EFI_COMPONENT_NAME2_PROTOCOL* This,
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EFI_HANDLE ControllerHandle,
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EFI_HANDLE ChildHandle,
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CHAR8* Language,
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CHAR16** ControllerName
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);
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#endif //_OPAL_DRIVER_H_
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