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      1 /** @file
      2   EFI Driver Configuration Protocol
      3 
      4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
      5   This program and the accompanying materials
      6   are licensed and made available under the terms and conditions of the BSD License
      7   which accompanies this distribution.  The full text of the license may be found at
      8   http://opensource.org/licenses/bsd-license.php
      9 
     10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     12 
     13 **/
     14 
     15 #ifndef __EFI_DRIVER_CONFIGURATION_H__
     16 #define __EFI_DRIVER_CONFIGURATION_H__
     17 
     18 #include <Protocol/DriverConfiguration2.h>
     19 
     20 ///
     21 /// Global ID for the Driver Configuration Protocol defined in EFI 1.1
     22 ///
     23 #define EFI_DRIVER_CONFIGURATION_PROTOCOL_GUID \
     24   { \
     25     0x107a772b, 0xd5e1, 0x11d4, {0x9a, 0x46, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d } \
     26   }
     27 
     28 typedef struct _EFI_DRIVER_CONFIGURATION_PROTOCOL  EFI_DRIVER_CONFIGURATION_PROTOCOL;
     29 
     30 /**
     31   Allows the user to set controller specific options for a controller that a
     32   driver is currently managing.
     33 
     34   @param  This             A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL instance.
     35   @param  ControllerHandle The handle of the controller to set options on.
     36   @param  ChildHandle      The handle of the child controller to set options on.  This
     37                            is an optional parameter that may be NULL.  It will be NULL
     38                            for device drivers, and for bus drivers that wish to set
     39                            options for the bus controller.  It will not be NULL for a
     40                            bus driver that wishes to set options for one of its child
     41                            controllers.
     42   @param  Language         A pointer to a three character ISO 639-2 language identifier.
     43                            This is the language of the user interface that should be
     44                            presented to the user, and it must match one of the languages
     45                            specified in SupportedLanguages.  The number of languages
     46                            supported by a driver is up to the driver writer.
     47   @param  ActionRequired   A pointer to the action that the calling agent is required
     48                            to perform when this function returns.  See "Related
     49                            Definitions" for a list of the actions that the calling
     50                            agent is required to perform prior to accessing
     51                            ControllerHandle again.
     52 
     53   @retval EFI_SUCCESS           The driver specified by This successfully set the
     54                                 configuration options for the controller specified
     55                                 by ControllerHandle..
     56   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
     57   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
     58   @retval EFI_INVALID_PARAMETER ActionRequired is NULL.
     59   @retval EFI_UNSUPPORTED       The driver specified by This does not support setting
     60                                 configuration options for the controller specified by
     61                                 ControllerHandle and ChildHandle.
     62   @retval EFI_UNSUPPORTED       The driver specified by This does not support the
     63                                 language specified by Language.
     64   @retval EFI_DEVICE_ERROR      A device error occurred while attempt to set the
     65                                 configuration options for the controller specified
     66                                 by ControllerHandle and ChildHandle.
     67   @retval EFI_OUT_RESOURCES     There are not enough resources available to set the
     68                                 configuration options for the controller specified
     69                                 by ControllerHandle and ChildHandle.
     70 
     71 **/
     72 typedef
     73 EFI_STATUS
     74 (EFIAPI *EFI_DRIVER_CONFIGURATION_SET_OPTIONS)(
     75   IN EFI_DRIVER_CONFIGURATION_PROTOCOL                        *This,
     76   IN  EFI_HANDLE                                              ControllerHandle,
     77   IN  EFI_HANDLE                                              ChildHandle  OPTIONAL,
     78   IN  CHAR8                                                   *Language,
     79   OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED                *ActionRequired
     80   );
     81 
     82 /**
     83   Tests to see if a controller's current configuration options are valid.
     84 
     85   @param  This             A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL instance.
     86   @param  ControllerHandle The handle of the controller to test if it's current
     87                            configuration options are valid.
     88   @param  ChildHandle      The handle of the child controller to test if it's current
     89                            configuration options are valid.  This is an optional
     90                            parameter that may be NULL.  It will be NULL for device
     91                            drivers.  It will also be NULL for bus drivers that wish
     92                            to test the configuration options for the bus controller.
     93                            It will not be NULL for a bus driver that wishes to test
     94                            configuration options for one of its child controllers.
     95 
     96   @retval EFI_SUCCESS           The controller specified by ControllerHandle and
     97                                 ChildHandle that is being managed by the driver
     98                                 specified by This has a valid set of  configuration
     99                                 options.
    100   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
    101   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
    102   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
    103                                 managing the controller specified by ControllerHandle
    104                                 and ChildHandle.
    105   @retval EFI_DEVICE_ERROR      The controller specified by ControllerHandle and
    106                                 ChildHandle that is being managed by the driver
    107                                 specified by This has an invalid set of configuration
    108                                 options.
    109 
    110 **/
    111 typedef
    112 EFI_STATUS
    113 (EFIAPI *EFI_DRIVER_CONFIGURATION_OPTIONS_VALID)(
    114   IN EFI_DRIVER_CONFIGURATION_PROTOCOL                        *This,
    115   IN  EFI_HANDLE                                              ControllerHandle,
    116   IN  EFI_HANDLE                                              ChildHandle  OPTIONAL
    117   );
    118 
    119 /**
    120   Forces a driver to set the default configuration options for a controller.
    121 
    122   @param  This             A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL instance.
    123   @param  ControllerHandle The handle of the controller to force default configuration options on.
    124   @param  ChildHandle      The handle of the child controller to force default configuration options on  This is an optional parameter that may be NULL.  It will be NULL for device drivers.  It will also be NULL for bus drivers that wish to force default configuration options for the bus controller.  It will not be NULL for a bus driver that wishes to force default configuration options for one of its child controllers.
    125   @param  DefaultType      The type of default configuration options to force on the controller specified by ControllerHandle and ChildHandle.  See Table 9-1 for legal values.  A DefaultType of 0x00000000 must be supported by this protocol.
    126   @param  ActionRequired   A pointer to the action that the calling agent is required to perform when this function returns.  See "Related Definitions" in Section 9.1 for a list of the actions that the calling agent is required to perform prior to accessing ControllerHandle again.
    127 
    128   @retval EFI_SUCCESS           The driver specified by This successfully forced the default configuration options on the controller specified by ControllerHandle and ChildHandle.
    129   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
    130   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
    131   @retval EFI_INVALID_PARAMETER ActionRequired is NULL.
    132   @retval EFI_UNSUPPORTED       The driver specified by This does not support forcing the default configuration options on the controller specified by ControllerHandle and ChildHandle.
    133   @retval EFI_UNSUPPORTED       The driver specified by This does not support the configuration type specified by DefaultType.
    134   @retval EFI_DEVICE_ERROR      A device error occurred while attempt to force the default configuration options on the controller specified by  ControllerHandle and ChildHandle.
    135   @retval EFI_OUT_RESOURCES     There are not enough resources available to force the default configuration options on the controller specified by ControllerHandle and ChildHandle.
    136 
    137 **/
    138 typedef
    139 EFI_STATUS
    140 (EFIAPI *EFI_DRIVER_CONFIGURATION_FORCE_DEFAULTS)(
    141   IN EFI_DRIVER_CONFIGURATION_PROTOCOL                        *This,
    142   IN  EFI_HANDLE                                              ControllerHandle,
    143   IN  EFI_HANDLE                                              ChildHandle  OPTIONAL,
    144   IN  UINT32                                                  DefaultType,
    145   OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED                *ActionRequired
    146   );
    147 
    148 
    149 ///
    150 /// Used to set configuration options for a controller that an EFI Driver is managing.
    151 ///
    152 struct _EFI_DRIVER_CONFIGURATION_PROTOCOL {
    153   EFI_DRIVER_CONFIGURATION_SET_OPTIONS    SetOptions;
    154   EFI_DRIVER_CONFIGURATION_OPTIONS_VALID  OptionsValid;
    155   EFI_DRIVER_CONFIGURATION_FORCE_DEFAULTS ForceDefaults;
    156   ///
    157   /// A Null-terminated ASCII string that contains one or more
    158   /// ISO 639-2 language codes.  This is the list of language
    159   /// codes that this protocol supports.
    160   ///
    161   CHAR8                                   *SupportedLanguages;
    162 };
    163 
    164 
    165 extern EFI_GUID gEfiDriverConfigurationProtocolGuid;
    166 
    167 #endif
    168