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      1 /** @file
      2   Driver Binding functions and Service Binding functions
      3   declaration for Dhcp6 Driver.
      4 
      5   Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
      6 
      7   This program and the accompanying materials
      8   are licensed and made available under the terms and conditions of the BSD License
      9   which accompanies this distribution.  The full text of the license may be found at
     10   http://opensource.org/licenses/bsd-license.php.
     11 
     12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     14 
     15 **/
     16 
     17 #ifndef __EFI_DHCP6_DRIVER_H__
     18 #define __EFI_DHCP6_DRIVER_H__
     19 
     20 #include <Protocol/ServiceBinding.h>
     21 
     22 extern EFI_COMPONENT_NAME_PROTOCOL  gDhcp6ComponentName;
     23 extern EFI_COMPONENT_NAME2_PROTOCOL gDhcp6ComponentName2;
     24 extern EFI_UNICODE_STRING_TABLE     *gDhcp6ControllerNameTable;
     25 
     26 /**
     27   Test to see if this driver supports ControllerHandle. This service
     28   is called by the EFI boot service ConnectController(). In
     29   order to make drivers as small as possible, there are a few calling
     30   restrictions for this service. ConnectController() must
     31   follow these calling restrictions. If any other agent wishes to call
     32   Supported(), it must also follow these calling restrictions.
     33 
     34   @param[in]  This                Protocol instance pointer.
     35   @param[in]  ControllerHandle    Handle of device to test.
     36   @param[in]  RemainingDevicePath Optional parameter use to pick a specific child
     37                                   device to start.
     38 
     39   @retval EFI_SUCCESS         This driver supports this device.
     40   @retval EFI_ALREADY_STARTED This driver is already running on this device.
     41   @retval other               This driver does not support this device.
     42 
     43 **/
     44 EFI_STATUS
     45 EFIAPI
     46 Dhcp6DriverBindingSupported (
     47   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
     48   IN EFI_HANDLE                   ControllerHandle,
     49   IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL
     50   );
     51 
     52 /**
     53   Start this driver on ControllerHandle. This service is called by the
     54   EFI boot service ConnectController(). In order to make
     55   drivers as small as possible, there are a few calling restrictions for
     56   this service. ConnectController() must follow these
     57   calling restrictions. If any other agent wishes to call Start(), it
     58   must also follow these calling restrictions.
     59 
     60   @param[in]  This                 Protocol instance pointer.
     61   @param[in]  ControllerHandle     Handle of device to bind driver to.
     62   @param[in]  RemainingDevicePath  Optional parameter use to pick a specific child
     63                                    device to start.
     64 
     65   @retval EFI_SUCCESS          This driver is added to ControllerHandle.
     66   @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle.
     67   @retval other                This driver does not support this device.
     68 
     69 **/
     70 EFI_STATUS
     71 EFIAPI
     72 Dhcp6DriverBindingStart (
     73   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
     74   IN EFI_HANDLE                   ControllerHandle,
     75   IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL
     76   );
     77 
     78 /**
     79   Stop this driver on ControllerHandle. This service is called by the
     80   EFI boot service DisconnectController(). In order to
     81   make drivers as small as possible, there are a few calling
     82   restrictions for this service. DisconnectController()
     83   must follow these calling restrictions. If any other agent wishes
     84   to call Stop() it must also follow these calling restrictions.
     85 
     86   @param[in]  This              Protocol instance pointer.
     87   @param[in]  ControllerHandle  Handle of device to stop driver on.
     88   @param[in]  NumberOfChildren  Number of Handles in ChildHandleBuffer. If the number of
     89                                 children is zero, stop the entire bus driver.
     90   @param[in]  ChildHandleBuffer List of Child Handles to Stop.
     91 
     92   @retval EFI_SUCCESS       This driver is removed ControllerHandle.
     93   @retval other             This driver was not removed from this device.
     94 
     95 **/
     96 EFI_STATUS
     97 EFIAPI
     98 Dhcp6DriverBindingStop (
     99   IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
    100   IN  EFI_HANDLE                   ControllerHandle,
    101   IN  UINTN                        NumberOfChildren,
    102   IN  EFI_HANDLE                   *ChildHandleBuffer      OPTIONAL
    103   );
    104 
    105 /**
    106   Creates a child handle and installs a protocol.
    107 
    108   The CreateChild() function installs a protocol on ChildHandle.
    109   If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
    110   If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
    111 
    112   @param  This        Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
    113   @param  ChildHandle Pointer to the handle of the child to create. If it is NULL,
    114                       then a new handle is created. If it is a pointer to an existing UEFI handle,
    115                       then the protocol is added to the existing UEFI handle.
    116 
    117   @retval EFI_SUCCES            The protocol was added to ChildHandle.
    118   @retval EFI_INVALID_PARAMETER ChildHandle is NULL.
    119   @retval EFI_OUT_OF_RESOURCES  There are not enough resources availabe to create
    120                                 the child.
    121   @retval other                 The child handle was not created.
    122 
    123 **/
    124 EFI_STATUS
    125 EFIAPI
    126 Dhcp6ServiceBindingCreateChild (
    127   IN     EFI_SERVICE_BINDING_PROTOCOL  *This,
    128   IN OUT EFI_HANDLE                    *ChildHandle
    129   );
    130 
    131 /**
    132   Destroys a child handle with a protocol installed on it.
    133 
    134   The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
    135   that was installed by CreateChild() from ChildHandle. If the removed protocol is the
    136   last protocol on ChildHandle, then ChildHandle is destroyed.
    137 
    138   @param  This        Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
    139   @param  ChildHandle Handle of the child to destroy.
    140 
    141   @retval EFI_SUCCES            The protocol was removed from ChildHandle.
    142   @retval EFI_UNSUPPORTED       ChildHandle does not support the protocol that is being removed.
    143   @retval EFI_INVALID_PARAMETER Child handle is NULL.
    144   @retval EFI_ACCESS_DENIED     The protocol could not be removed from the ChildHandle
    145                                 because its services are being used.
    146   @retval other                 The child handle was not destroyed
    147 
    148 **/
    149 EFI_STATUS
    150 EFIAPI
    151 Dhcp6ServiceBindingDestroyChild (
    152   IN EFI_SERVICE_BINDING_PROTOCOL  *This,
    153   IN EFI_HANDLE                    ChildHandle
    154   );
    155 
    156 #endif
    157