audk/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/ComponentName.c

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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. 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 "idebus.h"
//
// EFI Component Name Protocol
//
EFI_COMPONENT_NAME_PROTOCOL gIDEBusComponentName = {
IDEBusComponentNameGetDriverName,
IDEBusComponentNameGetControllerName,
"eng"
};
STATIC EFI_UNICODE_STRING_TABLE mIDEBusDriverNameTable[] = {
{ "eng", (CHAR16 *) L"PCI IDE/ATAPI Bus Driver" },
{ NULL , NULL }
};
STATIC EFI_UNICODE_STRING_TABLE mIDEBusControllerNameTable[] = {
{ "eng", (CHAR16 *) L"PCI IDE/ATAPI Controller" },
{ NULL , NULL }
};
/**
Retrieves a Unicode string that is the user readable name of the EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language A pointer to a three character ISO 639-2 language identifier.
This is the language of the driver 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 DriverName 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
IDEBusComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString (
Language,
gIDEBusComponentName.SupportedLanguages,
mIDEBusDriverNameTable,
DriverName
);
}
/**
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 a three character ISO 639-2 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 not a valid EFI_HANDLE.
@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
IDEBusComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
IDE_BLK_IO_DEV *IdeBlkIoDevice;
//
// Make sure this driver is currently managing ControllHandle
//
Status = EfiTestManagedDevice (
ControllerHandle,
gIDEBusDriverBinding.DriverBindingHandle,
&gEfiIdeControllerInitProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
if (ChildHandle == NULL) {
return LookupUnicodeString (
Language,
gIDEBusComponentName.SupportedLanguages,
mIDEBusControllerNameTable,
ControllerName
);
}
Status = EfiTestChildHandle (
ControllerHandle,
ChildHandle,
&gEfiPciIoProtocolGuid
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the child context
//
Status = gBS->OpenProtocol (
ChildHandle,
&gEfiBlockIoProtocolGuid,
(VOID **) &BlockIo,
gIDEBusDriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlockIo);
return LookupUnicodeString (
Language,
gIDEBusComponentName.SupportedLanguages,
IdeBlkIoDevice->ControllerNameTable,
ControllerName
);
}
/**
Add the component name for the IDE/ATAPI device
@param IdeBlkIoDevicePtr A pointer to the IDE_BLK_IO_DEV instance.
**/
VOID
AddName (
IN IDE_BLK_IO_DEV *IdeBlkIoDevicePtr
)
{
UINTN StringIndex;
CHAR16 ModelName[41];
//
// Add Component Name for the IDE/ATAPI device that was discovered.
//
IdeBlkIoDevicePtr->ControllerNameTable = NULL;
for (StringIndex = 0; StringIndex < 41; StringIndex++) {
ModelName[StringIndex] = IdeBlkIoDevicePtr->ModelName[StringIndex];
}
AddUnicodeString (
"eng",
gIDEBusComponentName.SupportedLanguages,
&IdeBlkIoDevicePtr->ControllerNameTable,
ModelName
);
}