MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Dhcp4Dxe / Dhcp4Driver.h

/** @file\r
  Header for the DHCP4 driver.\r
\r
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __EFI_DHCP4_DRIVER_H__\r
#define __EFI_DHCP4_DRIVER_H__\r
\r
extern EFI_COMPONENT_NAME_PROTOCOL  gDhcp4ComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL gDhcp4ComponentName2;\r
extern EFI_UNICODE_STRING_TABLE     *gDhcpControllerNameTable;\r
\r
/**\r
  Test to see if this driver supports ControllerHandle. This service\r
  is called by the EFI boot service ConnectController(). In\r
  order to make drivers as small as possible, there are a few calling\r
  restrictions for this service. ConnectController() must\r
  follow these calling restrictions. If any other agent wishes to call\r
  Supported() it must also follow these calling restrictions.\r
\r
  @param[in]  This                Protocol instance pointer.\r
  @param[in]  ControllerHandle    Handle of device to test\r
  @param[in]  RemainingDevicePath Optional parameter use to pick a specific child\r
                                  device to start.\r
\r
  @retval EFI_SUCCESS         This driver supports this device\r
  @retval EFI_ALREADY_STARTED This driver is already running on this device\r
  @retval other               This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Dhcp4DriverBindingSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   ControllerHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL\r
  );\r
\r
/**\r
  Start this driver on ControllerHandle. This service is called by the\r
  EFI boot service ConnectController(). In order to make\r
  drivers as small as possible, there are a few calling restrictions for\r
  this service. ConnectController() must follow these\r
  calling restrictions. If any other agent wishes to call Start() it\r
  must also follow these calling restrictions.\r
\r
  @param[in]  This                 Protocol instance pointer.\r
  @param[in]  ControllerHandle     Handle of device to bind driver to\r
  @param[in]  RemainingDevicePath  Optional parameter use to pick a specific child\r
                                   device to start.\r
\r
  @retval EFI_SUCCESS          This driver is added to ControllerHandle\r
  @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle\r
  @retval other                This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Dhcp4DriverBindingStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   ControllerHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL\r
  );\r
\r
/**\r
  Stop this driver on ControllerHandle. This service is called by the\r
  EFI boot service DisconnectController(). In order to\r
  make drivers as small as possible, there are a few calling\r
  restrictions for this service. DisconnectController()\r
  must follow these calling restrictions. If any other agent wishes\r
  to call Stop() it must also follow these calling restrictions.\r
\r
  @param[in]  This              Protocol instance pointer.\r
  @param[in]  ControllerHandle  Handle of device to stop driver on\r
  @param[in]  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of\r
                                children is zero stop the entire bus driver.\r
  @param[in]  ChildHandleBuffer List of Child Handles to Stop.\r
\r
  @retval EFI_SUCCESS       This driver is removed ControllerHandle\r
  @retval other             This driver was not removed from this device\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Dhcp4DriverBindingStop (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   ControllerHandle,\r
  IN  UINTN                        NumberOfChildren,\r
  IN  EFI_HANDLE                   *ChildHandleBuffer\r
  );\r
\r
/**\r
  Creates a child handle and installs a protocol.\r
\r
  The CreateChild() function installs a protocol on ChildHandle.\r
  If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.\r
  If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.\r
\r
  @param  This        Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r
  @param  ChildHandle Pointer to the handle of the child to create. If it is NULL,\r
                      then a new handle is created. If it is a pointer to an existing UEFI handle,\r
                      then the protocol is added to the existing UEFI handle.\r
\r
  @retval EFI_SUCCES            The protocol was added to ChildHandle.\r
  @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r
  @retval EFI_OUT_OF_RESOURCES  There are not enough resources available to create\r
                                the child\r
  @retval other                 The child handle was not created\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Dhcp4ServiceBindingCreateChild (\r
  IN EFI_SERVICE_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                    *ChildHandle\r
  );\r
\r
/**\r
  Destroys a child handle with a protocol installed on it.\r
\r
  The DestroyChild() function does the opposite of CreateChild(). It removes a protocol\r
  that was installed by CreateChild() from ChildHandle. If the removed protocol is the\r
  last protocol on ChildHandle, then ChildHandle is destroyed.\r
\r
  @param  This        Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r
  @param  ChildHandle Handle of the child to destroy\r
\r
  @retval EFI_SUCCES            The protocol was removed from ChildHandle.\r
  @retval EFI_UNSUPPORTED       ChildHandle does not support the protocol that is being removed.\r
  @retval EFI_INVALID_PARAMETER Child handle is NULL.\r
  @retval EFI_ACCESS_DENIED     The protocol could not be removed from the ChildHandle\r
                                because its services are being used.\r
  @retval other                 The child handle was not destroyed\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Dhcp4ServiceBindingDestroyChild (\r
  IN EFI_SERVICE_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                    ChildHandle\r
  );\r
\r
#endif\r