audk/MdeModulePkg/Universal/Disk/DiskIo/Dxe/ComponentName.c

/** @file
  UEFI Component Name protocol for DiskIo driver.
  
  Copyright (c) 2006 - 2007, 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 "DiskIo.h"

//
// EFI Component Name Protocol
//
EFI_COMPONENT_NAME_PROTOCOL     gDiskIoComponentName = {
  DiskIoComponentNameGetDriverName,
  DiskIoComponentNameGetControllerName,
  "eng"
};

static EFI_UNICODE_STRING_TABLE mDiskIoDriverNameTable[] = {
  {
    "eng",
    (CHAR16 *)L"Generic Disk I/O Driver"
  },
  {
    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 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 3066 language code
                     format.
  
  @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
DiskIoComponentNameGetDriverName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **DriverName
  )
{
  return LookupUnicodeString (
           Language,
           gDiskIoComponentName.SupportedLanguages,
           mDiskIoDriverNameTable,
           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 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 3066 language code
                           format.

  @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
DiskIoComponentNameGetControllerName (
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
  IN  EFI_HANDLE                                      ControllerHandle,
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
  IN  CHAR8                                           *Language,
  OUT CHAR16                                          **ControllerName
  )
{
  return EFI_UNSUPPORTED;
}