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ab742719aa5180221043e6a2382e7dcbb42ee3ab
system76-edk2/MdeModulePkg/Universal/Console/ConSplitterDxe/ComponentName.c
niruiyu 284ee2e829 Fix the comments to follow UEFI Spec regarding how to check an EFI_HANDLE is valid/invalid. 
Signed-off-by: niruiyu
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11987 6f19259b-4bc3-4df7-8a09-765794883524
2011-07-06 03:55:36 +00:00

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/** @file
UEFI Component Name(2) protocol implementation for ConSplitter driver.
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "ConSplitter.h"
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gConSplitterConInComponentName = {
ConSplitterComponentNameGetDriverName,
ConSplitterConInComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gConSplitterConInComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) ConSplitterComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) ConSplitterConInComponentNameGetControllerName,
"en"
};
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gConSplitterSimplePointerComponentName = {
ConSplitterComponentNameGetDriverName,
ConSplitterSimplePointerComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gConSplitterSimplePointerComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) ConSplitterComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) ConSplitterSimplePointerComponentNameGetControllerName,
"en"
};
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gConSplitterAbsolutePointerComponentName = {
ConSplitterComponentNameGetDriverName,
ConSplitterAbsolutePointerComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gConSplitterAbsolutePointerComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) ConSplitterComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) ConSplitterAbsolutePointerComponentNameGetControllerName,
"en"
};
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gConSplitterConOutComponentName = {
ConSplitterComponentNameGetDriverName,
ConSplitterConOutComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gConSplitterConOutComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) ConSplitterComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) ConSplitterConOutComponentNameGetControllerName,
"en"
};
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gConSplitterStdErrComponentName = {
ConSplitterComponentNameGetDriverName,
ConSplitterStdErrComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gConSplitterStdErrComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) ConSplitterComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) ConSplitterStdErrComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConSplitterDriverNameTable[] = {
{
"eng;en",
(CHAR16 *) L"Console Splitter Driver"
},
{
NULL,
NULL
}
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConSplitterConInControllerNameTable[] = {
{
"eng;en",
(CHAR16 *) L"Primary Console Input Device"
},
{
NULL,
NULL
}
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConSplitterSimplePointerControllerNameTable[] = {
{
"eng;en",
(CHAR16 *) L"Primary Simple Pointer Device"
},
{
NULL,
NULL
}
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConSplitterAbsolutePointerControllerNameTable[] = {
{
"eng;en",
(CHAR16 *)L"Primary Absolute Pointer Device"
},
{
NULL,
NULL
}
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConSplitterConOutControllerNameTable[] = {
{
"eng;en",
(CHAR16 *) L"Primary Console Output Device"
},
{
NULL,
NULL
}
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConSplitterStdErrControllerNameTable[] = {
{
"eng;en",
(CHAR16 *) L"Primary Standard Error Device"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
ConSplitterComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mConSplitterDriverNameTable,
DriverName,
(BOOLEAN)((This == &gConSplitterConInComponentName) ||
(This == &gConSplitterSimplePointerComponentName) ||
(This == &gConSplitterAbsolutePointerComponentName) ||
(This == &gConSplitterConOutComponentName) ||
(This == &gConSplitterStdErrComponentName))
);
}
/**
Tests whether a controller handle is being managed by a specific driver and
the child handle is a child device of the controller.
@param ControllerHandle A handle for a controller to test.
@param DriverBindingHandle Specifies the driver binding handle for the
driver.
@param ProtocolGuid Specifies the protocol that the driver specified
by DriverBindingHandle opens in its Start()
function.
@param ChildHandle A child handle to test.
@param ConsumsedGuid Supplies the protocol that the child controller
opens on its parent controller.
@retval EFI_SUCCESS ControllerHandle is managed by the driver
specifed by DriverBindingHandle and ChildHandle
is a child of the ControllerHandle.
@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver
specifed by DriverBindingHandle.
@retval EFI_UNSUPPORTED ChildHandle is not a child of the
ControllerHandle.
**/
EFI_STATUS
ConSplitterTestControllerHandles (
IN CONST EFI_HANDLE ControllerHandle,
IN CONST EFI_HANDLE DriverBindingHandle,
IN CONST EFI_GUID *ProtocolGuid,
IN EFI_HANDLE ChildHandle,
IN CONST EFI_GUID *ConsumsedGuid
)
{
EFI_STATUS Status;
//
// here ChildHandle is not an Optional parameter.
//
if (ChildHandle == NULL) {
return EFI_UNSUPPORTED;
}
//
// Tests whether a controller handle is being managed by a specific driver.
//
Status = EfiTestManagedDevice (
ControllerHandle,
DriverBindingHandle,
ProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Tests whether a child handle is a child device of the controller.
//
Status = EfiTestChildHandle (
ControllerHandle,
ChildHandle,
ConsumsedGuid
);
return Status;
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
ConSplitterConInComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
Status = ConSplitterTestControllerHandles (
ControllerHandle,
gConSplitterConInDriverBinding.DriverBindingHandle,
&gEfiConsoleInDeviceGuid,
ChildHandle,
&gEfiConsoleInDeviceGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mConSplitterConInControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gConSplitterConInComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
ConSplitterSimplePointerComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
Status = ConSplitterTestControllerHandles (
ControllerHandle,
gConSplitterSimplePointerDriverBinding.DriverBindingHandle,
&gEfiSimplePointerProtocolGuid,
ChildHandle,
&gEfiSimplePointerProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mConSplitterSimplePointerControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gConSplitterSimplePointerComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by an EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
instance.
@param ControllerHandle The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle The handle of the child controller to retrieve the
name of. This is an optional parameter that may
be NULL. It will be NULL for device drivers. It
will also be NULL for a bus drivers that wish to
retrieve the name of the bus controller. It will
not be NULL for a bus driver that wishes to
retrieve the name of a child controller.
@param Language A pointer to RFC4646 language identifier. This is
the language of the controller name that that the
caller is requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up to
the driver writer.
@param ControllerName A pointer to the Unicode string to return. This
Unicode string is the name of the controller
specified by ControllerHandle and ChildHandle in
the language specified by Language from the point
of view of the driver specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the driver
specified by This was returned in DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
ConSplitterAbsolutePointerComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
Status = ConSplitterTestControllerHandles (
ControllerHandle,
gConSplitterAbsolutePointerDriverBinding.DriverBindingHandle,
&gEfiAbsolutePointerProtocolGuid,
ChildHandle,
&gEfiAbsolutePointerProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mConSplitterAbsolutePointerControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gConSplitterAbsolutePointerComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
ConSplitterConOutComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
Status = ConSplitterTestControllerHandles (
ControllerHandle,
gConSplitterConOutDriverBinding.DriverBindingHandle,
&gEfiConsoleOutDeviceGuid,
ChildHandle,
&gEfiConsoleOutDeviceGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mConSplitterConOutControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gConSplitterConOutComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
ConSplitterStdErrComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
Status = ConSplitterTestControllerHandles (
ControllerHandle,
gConSplitterStdErrDriverBinding.DriverBindingHandle,
&gEfiStandardErrorDeviceGuid,
ChildHandle,
&gEfiStandardErrorDeviceGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mConSplitterStdErrControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gConSplitterStdErrComponentName)
);
}
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