NetworkPkg/TlsDxe/TlsDriver.h

   1 /** @file
   2   Header file of the Driver Binding and Service Binding Protocol for TlsDxe driver.
   3
   4   Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
   5
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php.
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef __EFI_TLS_DRIVER_H__
  17 #define __EFI_TLS_DRIVER_H__
  18
  19 #include <Uefi.h>
  20
  21 //
  22 // Driver Protocols
  23 //
  24 #include <Protocol/ServiceBinding.h>
  25
  26 //
  27 // Driver Version
  28 //
  29 #define TLS_VERSION  0x00000000
  30
  31 #define TLS_SERVICE_SIGNATURE    SIGNATURE_32 ('T', 'L', 'S', 'S')
  32
  33 #define TLS_INSTANCE_SIGNATURE   SIGNATURE_32 ('T', 'L', 'S', 'I')
  34
  35 ///
  36 /// TLS Service Data
  37 ///
  38 typedef struct _TLS_SERVICE  TLS_SERVICE;
  39
  40 ///
  41 /// TLS Instance Data
  42 ///
  43 typedef struct _TLS_INSTANCE TLS_INSTANCE;
  44
  45
  46 struct _TLS_SERVICE {
  47   UINT32                          Signature;
  48   EFI_SERVICE_BINDING_PROTOCOL    ServiceBinding;
  49
  50   UINT16                          TlsChildrenNum;
  51   LIST_ENTRY                      TlsChildrenList;
  52
  53   //
  54   // Handle to install TlsServiceBinding protocol.
  55   //
  56   EFI_HANDLE                      Handle;
  57   EFI_HANDLE                      ImageHandle;
  58
  59   //
  60   // Main SSL Context object which is created by a server or client once per program
  61   // life-time and which holds mainly default values for the SSL object which are later
  62   // created for the connections.
  63   //
  64   VOID                            *TlsCtx;
  65 };
  66
  67 struct _TLS_INSTANCE {
  68   UINT32                          Signature;
  69   LIST_ENTRY                      Link;
  70
  71   BOOLEAN                         InDestroy;
  72
  73   TLS_SERVICE                     *Service;
  74   EFI_HANDLE                      ChildHandle;
  75
  76   EFI_TLS_PROTOCOL                Tls;
  77   EFI_TLS_CONFIGURATION_PROTOCOL  TlsConfig;
  78
  79   EFI_TLS_SESSION_STATE           TlsSessionState;
  80
  81   //
  82   // Main SSL Connection which is created by a server or a client
  83   // per established connection.
  84   //
  85   VOID                            *TlsConn;
  86 };
  87
  88
  89 #define TLS_SERVICE_FROM_THIS(a)   \
  90   CR (a, TLS_SERVICE, ServiceBinding, TLS_SERVICE_SIGNATURE)
  91
  92 #define TLS_INSTANCE_FROM_PROTOCOL(a)  \
  93   CR (a, TLS_INSTANCE, Tls, TLS_INSTANCE_SIGNATURE)
  94
  95 #define TLS_INSTANCE_FROM_CONFIGURATION(a)  \
  96   CR (a, TLS_INSTANCE, TlsConfig, TLS_INSTANCE_SIGNATURE)
  97
  98
  99 /**
 100   Release all the resources used by the TLS instance.
 101
 102   @param[in]  Instance        The TLS instance data.
 103
 104 **/
 105 VOID
 106 TlsCleanInstance (
 107   IN TLS_INSTANCE           *Instance
 108   );
 109
 110 /**
 111   Create the TLS instance and initialize it.
 112
 113   @param[in]  Service              The pointer to the TLS service.
 114   @param[out] Instance             The pointer to the TLS instance.
 115
 116   @retval EFI_OUT_OF_RESOURCES   Failed to allocate resources.
 117   @retval EFI_SUCCESS            The TLS instance is created.
 118
 119 **/
 120 EFI_STATUS
 121 TlsCreateInstance (
 122   IN  TLS_SERVICE         *Service,
 123   OUT TLS_INSTANCE        **Instance
 124   );
 125
 126 /**
 127   Release all the resources used by the TLS service binding instance.
 128
 129   @param[in]  Service        The TLS service data.
 130
 131 **/
 132 VOID
 133 TlsCleanService (
 134   IN TLS_SERVICE     *Service
 135   );
 136
 137 /**
 138   Create then initialize a TLS service.
 139
 140   @param[in]  Image                  ImageHandle of the TLS driver
 141   @param[out] Service                The service for TLS driver
 142
 143   @retval EFI_OUT_OF_RESOURCES   Failed to allocate resource to create the service.
 144   @retval EFI_SUCCESS            The service is created for the driver.
 145
 146 **/
 147 EFI_STATUS
 148 TlsCreateService (
 149   IN  EFI_HANDLE            Image,
 150   OUT TLS_SERVICE           **Service
 151   );
 152
 153 /**
 154   Unloads an image.
 155
 156   @param[in]  ImageHandle       Handle that identifies the image to be unloaded.
 157
 158   @retval EFI_SUCCESS           The image has been unloaded.
 159   @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.
 160
 161 **/
 162 EFI_STATUS
 163 EFIAPI
 164 TlsUnload (
 165   IN EFI_HANDLE  ImageHandle
 166   );
 167
 168 /**
 169   This is the declaration of an EFI image entry point. This entry point is
 170   the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
 171   both device drivers and bus drivers.
 172
 173   @param  ImageHandle           The firmware allocated handle for the UEFI image.
 174   @param  SystemTable           A pointer to the EFI System Table.
 175
 176   @retval EFI_SUCCESS           The operation completed successfully.
 177   @retval Others                An unexpected error occurred.
 178 **/
 179 EFI_STATUS
 180 EFIAPI
 181 TlsDriverEntryPoint (
 182   IN EFI_HANDLE        ImageHandle,
 183   IN EFI_SYSTEM_TABLE  *SystemTable
 184   );
 185
 186 /**
 187   Creates a child handle and installs a protocol.
 188
 189   The CreateChild() function installs a protocol on ChildHandle.
 190   If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
 191   If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
 192
 193   @param[in] This        Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
 194   @param[in] ChildHandle Pointer to the handle of the child to create. If it is NULL,
 195                          then a new handle is created. If it is a pointer to an existing UEFI handle,
 196                          then the protocol is added to the existing UEFI handle.
 197
 198   @retval EFI_SUCCES            The protocol was added to ChildHandle.
 199   @retval EFI_INVALID_PARAMETER ChildHandle is NULL.
 200   @retval EFI_OUT_OF_RESOURCES  There are not enough resources available to create
 201                                 the child.
 202   @retval other                 The child handle was not created.
 203
 204 **/
 205 EFI_STATUS
 206 EFIAPI
 207 TlsServiceBindingCreateChild (
 208   IN EFI_SERVICE_BINDING_PROTOCOL  *This,
 209   IN EFI_HANDLE                    *ChildHandle
 210   );
 211
 212 /**
 213   Destroys a child handle with a protocol installed on it.
 214
 215   The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
 216   that was installed by CreateChild() from ChildHandle. If the removed protocol is the
 217   last protocol on ChildHandle, then ChildHandle is destroyed.
 218
 219   @param  This        Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
 220   @param  ChildHandle Handle of the child to destroy.
 221
 222   @retval EFI_SUCCES            The protocol was removed from ChildHandle.
 223   @retval EFI_UNSUPPORTED       ChildHandle does not support the protocol that is being removed.
 224   @retval EFI_INVALID_PARAMETER Child handle is NULL.
 225   @retval EFI_ACCESS_DENIED     The protocol could not be removed from the ChildHandle
 226                                 because its services are being used.
 227   @retval other                 The child handle was not destroyed.
 228
 229 **/
 230 EFI_STATUS
 231 EFIAPI
 232 TlsServiceBindingDestroyChild (
 233   IN EFI_SERVICE_BINDING_PROTOCOL  *This,
 234   IN EFI_HANDLE                    ChildHandle
 235   );
 236
 237 #endif