| 1 | /** @file
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| 2 | Driver Binding functions and Service Binding functions for the Network driver module.
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| 3 |
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| 4 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
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| 5 |
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| 6 | This program and the accompanying materials
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| 7 | are licensed and made available under the terms and conditions of the BSD License
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| 8 | which accompanies this distribution. The full text of the license may be found at
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| 9 | http://opensource.org/licenses/bsd-license.php.
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| 10 |
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| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 13 |
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| 14 | **/
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| 15 |
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| 16 | #ifndef _UDP6_DRIVER_H_
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| 17 | #define _UDP6_DRIVER_H_
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| 18 |
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| 19 | #include <Protocol/DriverBinding.h>
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| 20 | #include <Protocol/ServiceBinding.h>
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| 21 | #include <Protocol/DevicePath.h>
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| 22 |
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| 23 | /**
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| 24 | Tests to see if this driver supports a given controller. If a child device is provided,
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| 25 | it further tests to see if this driver supports creating a handle for the specified child device.
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| 26 |
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| 27 | This function checks to see if the driver specified by This supports the device specified by
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| 28 | ControllerHandle. Drivers typically use the device path attached to
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| 29 | ControllerHandle and/or the services from the bus I/O abstraction attached to
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| 30 | ControllerHandle to determine if the driver supports ControllerHandle. This function
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| 31 | may be called many times during platform initialization. In order to reduce boot times, the tests
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| 32 | performed by this function must be very small, and take as little time as possible to execute. This
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| 33 | function must not change the state of any hardware devices, and this function must be aware that the
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| 34 | device specified by ControllerHandle may already be managed by the same driver or a
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| 35 | different driver. This function must match its calls to AllocatePages() with FreePages(),
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| 36 | AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
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| 37 | Since ControllerHandle may have been previously started by the same driver, if a protocol is
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| 38 | already in the opened state, then it must not be closed with CloseProtocol(). This is required
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| 39 | to guarantee the state of ControllerHandle is not modified by this function.
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| 40 |
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| 41 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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| 42 | @param[in] ControllerHandle The handle of the controller to test. This handle
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| 43 | must support a protocol interface that supplies
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| 44 | an I/O abstraction to the driver.
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| 45 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
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| 46 | parameter is ignored by device drivers, and is optional for bus
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| 47 | drivers. For bus drivers, if this parameter is not NULL, then
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| 48 | the bus driver must determine if the bus controller specified
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| 49 | by ControllerHandle and the child controller specified
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| 50 | by RemainingDevicePath are both supported by this
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| 51 | bus driver.
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| 52 |
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| 53 | @retval EFI_SUCCESS The device specified by ControllerHandle and
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| 54 | RemainingDevicePath is supported by the driver specified by This.
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| 55 | @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
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| 56 | RemainingDevicePath is already being managed by the driver
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| 57 | specified by This.
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| 58 | @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
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| 59 | RemainingDevicePath is already being managed by a different
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| 60 | driver or an application that requires exclusive access.
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| 61 | Currently not implemented.
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| 62 | @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
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| 63 | RemainingDevicePath is not supported by the driver specified by This.
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| 64 | **/
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| 65 | EFI_STATUS
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| 66 | EFIAPI
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| 67 | Udp6DriverBindingSupported (
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| 68 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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| 69 | IN EFI_HANDLE ControllerHandle,
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| 70 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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| 71 | );
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| 72 |
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| 73 | /**
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| 74 | Start this driver on ControllerHandle.
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| 75 |
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| 76 | This service is called by the EFI boot service ConnectController(). In order to make
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| 77 | drivers as small as possible, there are a few calling restrictions for
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| 78 | this service. ConnectController() must follow these
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| 79 | calling restrictions. If any other agent wishes to call Start() it
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| 80 | must also follow these calling restrictions.
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| 81 |
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| 82 | @param[in] This Protocol instance pointer.
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| 83 | @param[in] ControllerHandle Handle of device to bind a driver to.
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| 84 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child
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| 85 | device to start.
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| 86 |
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| 87 | @retval EFI_SUCCES This driver is added to ControllerHandle.
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| 88 | @retval EFI_OUT_OF_RESOURCES The required system resource can't be allocated.
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| 89 | @retval other This driver does not support this device.
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| 90 |
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| 91 | **/
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| 92 | EFI_STATUS
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| 93 | EFIAPI
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| 94 | Udp6DriverBindingStart (
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| 95 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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| 96 | IN EFI_HANDLE ControllerHandle,
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| 97 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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| 98 | );
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| 99 |
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| 100 | /**
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| 101 | Stop this driver on ControllerHandle.
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| 102 |
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| 103 | This service is called by the EFI boot service DisconnectController(). In order to
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| 104 | make drivers as small as possible, there are a few calling
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| 105 | restrictions for this service. DisconnectController()
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| 106 | must follow these calling restrictions. If any other agent wishes
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| 107 | to call Stop(), it must also follow these calling restrictions.
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| 108 |
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| 109 | @param[in] This Protocol instance pointer.
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| 110 | @param[in] ControllerHandle Handle of device to stop the driver on.
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| 111 | @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number
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| 112 | of children is zero, stop the entire bus driver.
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| 113 | @param[in] ChildHandleBuffer List of Child Handles to Stop. It is optional.
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| 114 |
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| 115 | @retval EFI_SUCCESS This driver removed ControllerHandle.
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| 116 | @retval EFI_DEVICE_ERROR Can't find the NicHandle from the ControllerHandle and specified GUID.
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| 117 | @retval other This driver was not removed from this device.
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| 118 |
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| 119 | **/
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| 120 | EFI_STATUS
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| 121 | EFIAPI
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| 122 | Udp6DriverBindingStop (
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| 123 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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| 124 | IN EFI_HANDLE ControllerHandle,
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| 125 | IN UINTN NumberOfChildren,
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| 126 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
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| 127 | );
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| 128 |
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| 129 | /**
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| 130 | Creates a child handle and installs a protocol.
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| 131 |
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| 132 | The CreateChild() function installs a protocol on ChildHandle.
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| 133 | If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
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| 134 | If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
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| 135 |
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| 136 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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| 137 | @param[in, out] ChildHandle Pointer to the handle of the child to create. If it is NULL,
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| 138 | then a new handle is created. If it is a pointer to an existing UEFI handle,
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| 139 | then the protocol is added to the existing UEFI handle.
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| 140 |
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| 141 | @retval EFI_SUCCES The protocol was added to ChildHandle.
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| 142 | @retval EFI_INVALID_PARAMETER This is NULL or ChildHandle is NULL.
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| 143 | @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create
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| 144 | the child.
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| 145 | @retval other The child handle was not created.
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| 146 |
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| 147 | **/
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| 148 | EFI_STATUS
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| 149 | EFIAPI
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| 150 | Udp6ServiceBindingCreateChild (
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| 151 | IN EFI_SERVICE_BINDING_PROTOCOL *This,
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| 152 | IN OUT EFI_HANDLE *ChildHandle
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| 153 | );
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| 154 |
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| 155 | /**
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| 156 | Destroys a child handle with a set of I/O services.
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| 157 | The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
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| 158 | that was installed by CreateChild() from ChildHandle. If the removed protocol is the
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| 159 | last protocol on ChildHandle, then ChildHandle is destroyed.
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| 160 |
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| 161 | @param[in] This Protocol instance pointer.
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| 162 | @param[in] ChildHandle Handle of the child to destroy.
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| 163 |
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| 164 | @retval EFI_SUCCES The I/O services were removed from the child
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| 165 | handle.
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| 166 | @retval EFI_UNSUPPORTED The child handle does not support the I/O services
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| 167 | that are being removed.
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| 168 | @retval EFI_INVALID_PARAMETER Child handle is NULL.
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| 169 | @retval EFI_ACCESS_DENIED The child handle could not be destroyed because
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| 170 | its I/O services are being used.
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| 171 | @retval other The child handle was not destroyed.
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| 172 |
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| 173 | **/
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| 174 | EFI_STATUS
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| 175 | EFIAPI
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| 176 | Udp6ServiceBindingDestroyChild (
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| 177 | IN EFI_SERVICE_BINDING_PROTOCOL *This,
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| 178 | IN EFI_HANDLE ChildHandle
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| 179 | );
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| 180 |
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| 181 | #endif
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| 182 |
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