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Commit | Line | Data |
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772db4bb | 1 | /** @file\r |
dab714aa | 2 | Implementation of Mtftp drivers.\r |
e2851998 | 3 | \r |
75dce340 | 4 | Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
772db4bb | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
dab714aa | 8 | http://opensource.org/licenses/bsd-license.php<BR>\r |
772db4bb | 9 | \r |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
772db4bb | 13 | **/\r |
14 | \r | |
15 | #include "Mtftp4Impl.h"\r | |
16 | \r | |
17 | EFI_DRIVER_BINDING_PROTOCOL gMtftp4DriverBinding = {\r | |
18 | Mtftp4DriverBindingSupported,\r | |
19 | Mtftp4DriverBindingStart,\r | |
20 | Mtftp4DriverBindingStop,\r | |
21 | 0xa,\r | |
22 | NULL,\r | |
23 | NULL\r | |
24 | };\r | |
25 | \r | |
26 | EFI_SERVICE_BINDING_PROTOCOL gMtftp4ServiceBindingTemplete = {\r | |
27 | Mtftp4ServiceBindingCreateChild,\r | |
28 | Mtftp4ServiceBindingDestroyChild\r | |
29 | };\r | |
30 | \r | |
dab714aa | 31 | \r |
32 | /**\r | |
33 | The driver entry point which installs multiple protocols to the ImageHandle.\r | |
34 | \r | |
35 | @param ImageHandle The MTFTP's image handle.\r | |
36 | @param SystemTable The system table.\r | |
37 | \r | |
e2851998 | 38 | @retval EFI_SUCCESS The handles are successfully installed on the image.\r |
dab714aa | 39 | @retval others some EFI_ERROR occured.\r |
40 | \r | |
41 | **/\r | |
772db4bb | 42 | EFI_STATUS\r |
43 | EFIAPI\r | |
44 | Mtftp4DriverEntryPoint (\r | |
45 | IN EFI_HANDLE ImageHandle,\r | |
46 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
47 | )\r | |
772db4bb | 48 | {\r |
83cbd279 | 49 | return EfiLibInstallDriverBindingComponentName2 (\r |
772db4bb | 50 | ImageHandle,\r |
51 | SystemTable,\r | |
52 | &gMtftp4DriverBinding,\r | |
53 | ImageHandle,\r | |
54 | &gMtftp4ComponentName,\r | |
83cbd279 | 55 | &gMtftp4ComponentName2\r |
772db4bb | 56 | );\r |
57 | }\r | |
58 | \r | |
59 | \r | |
60 | /**\r | |
61 | Test whether MTFTP driver support this controller.\r | |
62 | \r | |
63 | @param This The MTFTP driver binding instance\r | |
64 | @param Controller The controller to test\r | |
65 | @param RemainingDevicePath The remaining device path\r | |
66 | \r | |
67 | @retval EFI_SUCCESS The controller has UDP service binding protocol\r | |
68 | installed, MTFTP can support it.\r | |
5be56d99 | 69 | @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r |
e2851998 | 70 | RemainingDevicePath is already being managed by\r |
5be56d99 | 71 | the driver specified by This.\r |
72 | @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r | |
e2851998 | 73 | RemainingDevicePath is already being managed by a\r |
74 | different driver or an application that requires\r | |
5be56d99 | 75 | exclusive access.\r |
76 | @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r | |
e2851998 | 77 | RemainingDevicePath is not supported by the driver\r |
5be56d99 | 78 | specified by This.\r |
772db4bb | 79 | \r |
80 | **/\r | |
81 | EFI_STATUS\r | |
dab714aa | 82 | EFIAPI\r |
772db4bb | 83 | Mtftp4DriverBindingSupported (\r |
84 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
85 | IN EFI_HANDLE Controller,\r | |
86 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
87 | )\r | |
88 | {\r | |
89 | EFI_STATUS Status;\r | |
90 | \r | |
91 | Status = gBS->OpenProtocol (\r | |
92 | Controller,\r | |
93 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
94 | NULL,\r | |
95 | This->DriverBindingHandle,\r | |
96 | Controller,\r | |
97 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
98 | );\r | |
99 | \r | |
100 | return Status;\r | |
101 | }\r | |
102 | \r | |
103 | \r | |
104 | /**\r | |
e2851998 | 105 | Config a NULL UDP that is used to keep the connection between UDP and MTFTP.\r |
106 | \r | |
107 | Just leave the Udp child unconfigured. When UDP is unloaded,\r | |
dab714aa | 108 | MTFTP will be informed with DriverBinding Stop.\r |
772db4bb | 109 | \r |
b45b45b2 | 110 | @param UdpIo The UDP_IO to configure\r |
772db4bb | 111 | @param Context The opaque parameter to the callback\r |
112 | \r | |
113 | @retval EFI_SUCCESS It always return EFI_SUCCESS directly.\r | |
114 | \r | |
115 | **/\r | |
116 | EFI_STATUS\r | |
e798cd87 | 117 | EFIAPI\r |
772db4bb | 118 | Mtftp4ConfigNullUdp (\r |
b45b45b2 | 119 | IN UDP_IO *UdpIo,\r |
772db4bb | 120 | IN VOID *Context\r |
121 | )\r | |
122 | {\r | |
123 | return EFI_SUCCESS;\r | |
124 | }\r | |
125 | \r | |
126 | \r | |
127 | /**\r | |
128 | Create then initialize a MTFTP service binding instance.\r | |
129 | \r | |
130 | @param Controller The controller to install the MTFTP service\r | |
131 | binding on\r | |
132 | @param Image The driver binding image of the MTFTP driver\r | |
133 | @param Service The variable to receive the created service\r | |
134 | binding instance.\r | |
135 | \r | |
136 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resource to create the instance\r | |
137 | @retval EFI_DEVICE_ERROR Failed to create a NULL UDP port to keep\r | |
138 | connection with UDP.\r | |
139 | @retval EFI_SUCCESS The service instance is created for the\r | |
140 | controller.\r | |
141 | \r | |
142 | **/\r | |
143 | EFI_STATUS\r | |
144 | Mtftp4CreateService (\r | |
dab714aa | 145 | IN EFI_HANDLE Controller,\r |
146 | IN EFI_HANDLE Image,\r | |
147 | OUT MTFTP4_SERVICE **Service\r | |
772db4bb | 148 | )\r |
149 | {\r | |
150 | MTFTP4_SERVICE *MtftpSb;\r | |
151 | EFI_STATUS Status;\r | |
152 | \r | |
153 | *Service = NULL;\r | |
e48e37fc | 154 | MtftpSb = AllocatePool (sizeof (MTFTP4_SERVICE));\r |
772db4bb | 155 | \r |
156 | if (MtftpSb == NULL) {\r | |
157 | return EFI_OUT_OF_RESOURCES;\r | |
158 | }\r | |
159 | \r | |
160 | MtftpSb->Signature = MTFTP4_SERVICE_SIGNATURE;\r | |
161 | MtftpSb->ServiceBinding = gMtftp4ServiceBindingTemplete;\r | |
772db4bb | 162 | MtftpSb->ChildrenNum = 0;\r |
e48e37fc | 163 | InitializeListHead (&MtftpSb->Children);\r |
772db4bb | 164 | \r |
165 | MtftpSb->Timer = NULL;\r | |
166 | MtftpSb->TimerToGetMap = NULL;\r | |
167 | MtftpSb->Controller = Controller;\r | |
168 | MtftpSb->Image = Image;\r | |
169 | MtftpSb->ConnectUdp = NULL;\r | |
170 | \r | |
171 | //\r | |
172 | // Create the timer and a udp to be notified when UDP is uninstalled\r | |
173 | //\r | |
174 | Status = gBS->CreateEvent (\r | |
175 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
e48e37fc | 176 | TPL_CALLBACK,\r |
772db4bb | 177 | Mtftp4OnTimerTick,\r |
178 | MtftpSb,\r | |
179 | &MtftpSb->Timer\r | |
180 | );\r | |
181 | \r | |
182 | if (EFI_ERROR (Status)) {\r | |
766c7483 | 183 | FreePool (MtftpSb);\r |
772db4bb | 184 | return Status;\r |
185 | }\r | |
186 | \r | |
187 | //\r | |
188 | // Create the timer used to time out the procedure which is used to\r | |
189 | // get the default IP address.\r | |
190 | //\r | |
191 | Status = gBS->CreateEvent (\r | |
192 | EVT_TIMER,\r | |
e48e37fc | 193 | TPL_CALLBACK,\r |
772db4bb | 194 | NULL,\r |
195 | NULL,\r | |
196 | &MtftpSb->TimerToGetMap\r | |
197 | );\r | |
198 | if (EFI_ERROR (Status)) {\r | |
199 | gBS->CloseEvent (MtftpSb->Timer);\r | |
766c7483 | 200 | FreePool (MtftpSb);\r |
772db4bb | 201 | return Status;\r |
202 | }\r | |
203 | \r | |
b45b45b2 | 204 | MtftpSb->ConnectUdp = UdpIoCreateIo (\r |
205 | Controller,\r | |
206 | Image,\r | |
207 | Mtftp4ConfigNullUdp,\r | |
208 | UDP_IO_UDP4_VERSION,\r | |
209 | NULL\r | |
210 | );\r | |
772db4bb | 211 | \r |
212 | if (MtftpSb->ConnectUdp == NULL) {\r | |
213 | gBS->CloseEvent (MtftpSb->TimerToGetMap);\r | |
214 | gBS->CloseEvent (MtftpSb->Timer);\r | |
766c7483 | 215 | FreePool (MtftpSb);\r |
772db4bb | 216 | return EFI_DEVICE_ERROR;\r |
217 | }\r | |
218 | \r | |
219 | *Service = MtftpSb;\r | |
220 | return EFI_SUCCESS;\r | |
221 | }\r | |
222 | \r | |
223 | \r | |
224 | /**\r | |
225 | Release all the resource used the MTFTP service binding instance.\r | |
226 | \r | |
227 | @param MtftpSb The MTFTP service binding instance.\r | |
228 | \r | |
772db4bb | 229 | **/\r |
230 | VOID\r | |
231 | Mtftp4CleanService (\r | |
232 | IN MTFTP4_SERVICE *MtftpSb\r | |
233 | )\r | |
234 | {\r | |
b45b45b2 | 235 | UdpIoFreeIo (MtftpSb->ConnectUdp);\r |
772db4bb | 236 | gBS->CloseEvent (MtftpSb->TimerToGetMap);\r |
237 | gBS->CloseEvent (MtftpSb->Timer);\r | |
238 | }\r | |
239 | \r | |
240 | \r | |
241 | /**\r | |
e2851998 | 242 | Start the MTFTP driver on this controller.\r |
243 | \r | |
dab714aa | 244 | MTFTP driver will install a MTFTP SERVICE BINDING protocol on the supported\r |
772db4bb | 245 | controller, which can be used to create/destroy MTFTP children.\r |
246 | \r | |
247 | @param This The MTFTP driver binding protocol.\r | |
248 | @param Controller The controller to manage.\r | |
249 | @param RemainingDevicePath Remaining device path.\r | |
250 | \r | |
251 | @retval EFI_ALREADY_STARTED The MTFTP service binding protocol has been\r | |
252 | started on the controller.\r | |
253 | @retval EFI_SUCCESS The MTFTP service binding is installed on the\r | |
254 | controller.\r | |
255 | \r | |
256 | **/\r | |
257 | EFI_STATUS\r | |
dab714aa | 258 | EFIAPI\r |
772db4bb | 259 | Mtftp4DriverBindingStart (\r |
260 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
261 | IN EFI_HANDLE Controller,\r | |
262 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
263 | )\r | |
264 | {\r | |
265 | MTFTP4_SERVICE *MtftpSb;\r | |
266 | EFI_STATUS Status;\r | |
267 | \r | |
268 | //\r | |
269 | // Directly return if driver is already running.\r | |
270 | //\r | |
271 | Status = gBS->OpenProtocol (\r | |
272 | Controller,\r | |
273 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
274 | NULL,\r | |
275 | This->DriverBindingHandle,\r | |
276 | Controller,\r | |
277 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
278 | );\r | |
279 | \r | |
280 | if (Status == EFI_SUCCESS) {\r | |
281 | return EFI_ALREADY_STARTED;\r | |
282 | }\r | |
283 | \r | |
284 | Status = Mtftp4CreateService (Controller, This->DriverBindingHandle, &MtftpSb);\r | |
285 | \r | |
286 | if (EFI_ERROR (Status)) {\r | |
287 | return Status;\r | |
288 | }\r | |
e2851998 | 289 | ASSERT (MtftpSb != NULL);\r |
772db4bb | 290 | \r |
291 | Status = gBS->SetTimer (MtftpSb->Timer, TimerPeriodic, TICKS_PER_SECOND);\r | |
292 | \r | |
293 | if (EFI_ERROR (Status)) {\r | |
294 | goto ON_ERROR;\r | |
295 | }\r | |
296 | \r | |
297 | //\r | |
298 | // Install the Mtftp4ServiceBinding Protocol onto Controller\r | |
299 | //\r | |
300 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
301 | &Controller,\r | |
302 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
303 | &MtftpSb->ServiceBinding,\r | |
304 | NULL\r | |
305 | );\r | |
306 | \r | |
307 | if (EFI_ERROR (Status)) {\r | |
308 | goto ON_ERROR;\r | |
309 | }\r | |
310 | \r | |
311 | return EFI_SUCCESS;\r | |
312 | \r | |
313 | ON_ERROR:\r | |
314 | Mtftp4CleanService (MtftpSb);\r | |
766c7483 | 315 | FreePool (MtftpSb);\r |
772db4bb | 316 | \r |
317 | return Status;\r | |
318 | }\r | |
319 | \r | |
216f7970 | 320 | /**\r |
321 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
322 | \r | |
323 | @param[in] Entry The entry to be removed.\r | |
324 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
325 | \r | |
326 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
327 | @retval Others Fail to remove the entry.\r | |
328 | \r | |
329 | **/\r | |
330 | EFI_STATUS\r | |
1f7eb561 | 331 | EFIAPI\r |
216f7970 | 332 | Mtftp4DestroyChildEntryInHandleBuffer (\r |
333 | IN LIST_ENTRY *Entry,\r | |
334 | IN VOID *Context\r | |
1f7eb561 | 335 | )\r |
216f7970 | 336 | {\r |
337 | MTFTP4_PROTOCOL *Instance;\r | |
338 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
339 | UINTN NumberOfChildren;\r | |
340 | EFI_HANDLE *ChildHandleBuffer;\r | |
341 | \r | |
342 | if (Entry == NULL || Context == NULL) {\r | |
343 | return EFI_INVALID_PARAMETER;\r | |
344 | }\r | |
345 | \r | |
346 | Instance = NET_LIST_USER_STRUCT_S (Entry, MTFTP4_PROTOCOL, Link, MTFTP4_PROTOCOL_SIGNATURE);\r | |
347 | ServiceBinding = ((MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r | |
348 | NumberOfChildren = ((MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r | |
349 | ChildHandleBuffer = ((MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;\r | |
350 | \r | |
351 | if (!NetIsInHandleBuffer (Instance->Handle, NumberOfChildren, ChildHandleBuffer)) {\r | |
352 | return EFI_SUCCESS;\r | |
353 | }\r | |
354 | \r | |
355 | return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r | |
356 | }\r | |
772db4bb | 357 | \r |
358 | /**\r | |
359 | Stop the MTFTP driver on controller. The controller is a UDP\r | |
360 | child handle.\r | |
361 | \r | |
362 | @param This The MTFTP driver binding protocol\r | |
363 | @param Controller The controller to stop\r | |
364 | @param NumberOfChildren The number of children\r | |
365 | @param ChildHandleBuffer The array of the child handle.\r | |
366 | \r | |
367 | @retval EFI_SUCCESS The driver is stopped on the controller.\r | |
368 | @retval EFI_DEVICE_ERROR Failed to stop the driver on the controller.\r | |
369 | \r | |
370 | **/\r | |
371 | EFI_STATUS\r | |
dab714aa | 372 | EFIAPI\r |
772db4bb | 373 | Mtftp4DriverBindingStop (\r |
dab714aa | 374 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
375 | IN EFI_HANDLE Controller,\r | |
376 | IN UINTN NumberOfChildren,\r | |
377 | IN EFI_HANDLE *ChildHandleBuffer\r | |
772db4bb | 378 | )\r |
379 | {\r | |
216f7970 | 380 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r |
381 | MTFTP4_SERVICE *MtftpSb;\r | |
382 | EFI_HANDLE NicHandle;\r | |
383 | EFI_STATUS Status;\r | |
384 | LIST_ENTRY *List;\r | |
385 | MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r | |
772db4bb | 386 | \r |
387 | //\r | |
388 | // MTFTP driver opens UDP child, So, Controller is a UDP\r | |
389 | // child handle. Locate the Nic handle first. Then get the\r | |
390 | // MTFTP private data back.\r | |
391 | //\r | |
392 | NicHandle = NetLibGetNicHandle (Controller, &gEfiUdp4ProtocolGuid);\r | |
393 | \r | |
394 | if (NicHandle == NULL) {\r | |
216f7970 | 395 | return EFI_SUCCESS;\r |
772db4bb | 396 | }\r |
397 | \r | |
398 | Status = gBS->OpenProtocol (\r | |
399 | NicHandle,\r | |
400 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
401 | (VOID **) &ServiceBinding,\r | |
402 | This->DriverBindingHandle,\r | |
403 | NicHandle,\r | |
404 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
405 | );\r | |
406 | \r | |
407 | if (EFI_ERROR (Status)) {\r | |
408 | return EFI_DEVICE_ERROR;\r | |
409 | }\r | |
410 | \r | |
411 | MtftpSb = MTFTP4_SERVICE_FROM_THIS (ServiceBinding);\r | |
412 | \r | |
216f7970 | 413 | if (!IsListEmpty (&MtftpSb->Children)) {\r |
414 | //\r | |
415 | // Destroy the Mtftp4 child instance in ChildHandleBuffer.\r | |
416 | //\r | |
417 | List = &MtftpSb->Children;\r | |
418 | Context.ServiceBinding = ServiceBinding;\r | |
419 | Context.NumberOfChildren = NumberOfChildren;\r | |
420 | Context.ChildHandleBuffer = ChildHandleBuffer;\r | |
421 | Status = NetDestroyLinkList (\r | |
422 | List,\r | |
423 | Mtftp4DestroyChildEntryInHandleBuffer,\r | |
424 | &Context,\r | |
425 | NULL\r | |
426 | );\r | |
772db4bb | 427 | }\r |
428 | \r | |
216f7970 | 429 | if (NumberOfChildren == 0 && IsListEmpty (&MtftpSb->Children)) {\r |
c4a62a12 | 430 | gBS->UninstallProtocolInterface (\r |
431 | NicHandle,\r | |
432 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
433 | ServiceBinding\r | |
434 | );\r | |
772db4bb | 435 | \r |
c4a62a12 | 436 | Mtftp4CleanService (MtftpSb);\r |
216f7970 | 437 | if (gMtftp4ControllerNameTable != NULL) {\r |
438 | FreeUnicodeStringTable (gMtftp4ControllerNameTable);\r | |
439 | gMtftp4ControllerNameTable = NULL;\r | |
c4a62a12 | 440 | }\r |
216f7970 | 441 | FreePool (MtftpSb);\r |
772db4bb | 442 | \r |
216f7970 | 443 | Status = EFI_SUCCESS;\r |
c4a62a12 | 444 | }\r |
772db4bb | 445 | \r |
772db4bb | 446 | return Status;\r |
447 | }\r | |
448 | \r | |
449 | \r | |
450 | /**\r | |
451 | Initialize a MTFTP protocol instance which is the child of MtftpSb.\r | |
452 | \r | |
453 | @param MtftpSb The MTFTP service binding protocol.\r | |
454 | @param Instance The MTFTP instance to initialize.\r | |
455 | \r | |
772db4bb | 456 | **/\r |
457 | VOID\r | |
458 | Mtftp4InitProtocol (\r | |
dab714aa | 459 | IN MTFTP4_SERVICE *MtftpSb,\r |
460 | OUT MTFTP4_PROTOCOL *Instance\r | |
772db4bb | 461 | )\r |
462 | {\r | |
e48e37fc | 463 | ZeroMem (Instance, sizeof (MTFTP4_PROTOCOL));\r |
772db4bb | 464 | \r |
465 | Instance->Signature = MTFTP4_PROTOCOL_SIGNATURE;\r | |
e48e37fc | 466 | InitializeListHead (&Instance->Link);\r |
687a2e5f | 467 | CopyMem (&Instance->Mtftp4, &gMtftp4ProtocolTemplate, sizeof (Instance->Mtftp4));\r |
772db4bb | 468 | Instance->State = MTFTP4_STATE_UNCONFIGED;\r |
772db4bb | 469 | Instance->Service = MtftpSb;\r |
470 | \r | |
e48e37fc | 471 | InitializeListHead (&Instance->Blocks);\r |
772db4bb | 472 | }\r |
473 | \r | |
474 | \r | |
475 | /**\r | |
476 | Create a MTFTP child for the service binding instance, then\r | |
477 | install the MTFTP protocol to the ChildHandle.\r | |
478 | \r | |
479 | @param This The MTFTP service binding instance.\r | |
480 | @param ChildHandle The Child handle to install the MTFTP protocol.\r | |
481 | \r | |
482 | @retval EFI_INVALID_PARAMETER The parameter is invalid.\r | |
483 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resource for the new child.\r | |
484 | @retval EFI_SUCCESS The child is successfully create.\r | |
485 | \r | |
486 | **/\r | |
487 | EFI_STATUS\r | |
dab714aa | 488 | EFIAPI\r |
772db4bb | 489 | Mtftp4ServiceBindingCreateChild (\r |
490 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
dab714aa | 491 | IN EFI_HANDLE *ChildHandle\r |
772db4bb | 492 | )\r |
493 | {\r | |
494 | MTFTP4_SERVICE *MtftpSb;\r | |
495 | MTFTP4_PROTOCOL *Instance;\r | |
496 | EFI_STATUS Status;\r | |
497 | EFI_TPL OldTpl;\r | |
498 | VOID *Udp4;\r | |
499 | \r | |
500 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
501 | return EFI_INVALID_PARAMETER;\r | |
502 | }\r | |
503 | \r | |
e48e37fc | 504 | Instance = AllocatePool (sizeof (*Instance));\r |
772db4bb | 505 | \r |
506 | if (Instance == NULL) {\r | |
507 | return EFI_OUT_OF_RESOURCES;\r | |
508 | }\r | |
509 | \r | |
510 | MtftpSb = MTFTP4_SERVICE_FROM_THIS (This);\r | |
511 | \r | |
512 | Mtftp4InitProtocol (MtftpSb, Instance);\r | |
513 | \r | |
b45b45b2 | 514 | Instance->UnicastPort = UdpIoCreateIo (\r |
772db4bb | 515 | MtftpSb->Controller,\r |
516 | MtftpSb->Image,\r | |
517 | Mtftp4ConfigNullUdp,\r | |
b45b45b2 | 518 | UDP_IO_UDP4_VERSION,\r |
772db4bb | 519 | Instance\r |
520 | );\r | |
521 | \r | |
522 | if (Instance->UnicastPort == NULL) {\r | |
766c7483 | 523 | FreePool (Instance);\r |
772db4bb | 524 | return EFI_OUT_OF_RESOURCES;\r |
525 | }\r | |
526 | \r | |
527 | //\r | |
528 | // Install the MTFTP protocol onto ChildHandle\r | |
529 | //\r | |
530 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
531 | ChildHandle,\r | |
532 | &gEfiMtftp4ProtocolGuid,\r | |
533 | &Instance->Mtftp4,\r | |
534 | NULL\r | |
535 | );\r | |
536 | \r | |
537 | if (EFI_ERROR (Status)) {\r | |
216f7970 | 538 | UdpIoFreeIo (Instance->UnicastPort);\r |
539 | FreePool (Instance);\r | |
540 | return Status;\r | |
772db4bb | 541 | }\r |
542 | \r | |
543 | Instance->Handle = *ChildHandle;\r | |
544 | \r | |
545 | //\r | |
546 | // Open the Udp4 protocol BY_CHILD.\r | |
547 | //\r | |
548 | Status = gBS->OpenProtocol (\r | |
549 | MtftpSb->ConnectUdp->UdpHandle,\r | |
550 | &gEfiUdp4ProtocolGuid,\r | |
551 | (VOID **) &Udp4,\r | |
552 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
553 | Instance->Handle,\r | |
554 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
555 | );\r | |
556 | if (EFI_ERROR (Status)) {\r | |
216f7970 | 557 | goto ON_ERROR;\r |
558 | }\r | |
772db4bb | 559 | \r |
216f7970 | 560 | //\r |
561 | // Open the Udp4 protocol by child.\r | |
562 | //\r | |
563 | Status = gBS->OpenProtocol (\r | |
564 | Instance->UnicastPort->UdpHandle,\r | |
565 | &gEfiUdp4ProtocolGuid,\r | |
566 | (VOID **) &Udp4,\r | |
567 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
568 | Instance->Handle,\r | |
569 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
570 | );\r | |
571 | if (EFI_ERROR (Status)) {\r | |
572 | //\r | |
573 | // Close the Udp4 protocol.\r | |
574 | //\r | |
575 | gBS->CloseProtocol (\r | |
576 | MtftpSb->ConnectUdp->UdpHandle,\r | |
577 | &gEfiUdp4ProtocolGuid,\r | |
578 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
579 | ChildHandle\r | |
580 | );\r | |
772db4bb | 581 | goto ON_ERROR;\r |
582 | }\r | |
583 | \r | |
584 | //\r | |
585 | // Add it to the parent's child list.\r | |
586 | //\r | |
e48e37fc | 587 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
772db4bb | 588 | \r |
e48e37fc | 589 | InsertTailList (&MtftpSb->Children, &Instance->Link);\r |
772db4bb | 590 | MtftpSb->ChildrenNum++;\r |
591 | \r | |
e48e37fc | 592 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 593 | \r |
216f7970 | 594 | return EFI_SUCCESS;\r |
772db4bb | 595 | \r |
216f7970 | 596 | ON_ERROR:\r |
597 | if (Instance->Handle != NULL) {\r | |
598 | gBS->UninstallMultipleProtocolInterfaces (\r | |
599 | Instance->Handle,\r | |
600 | &gEfiMtftp4ProtocolGuid,\r | |
601 | &Instance->Mtftp4,\r | |
602 | NULL\r | |
603 | );\r | |
772db4bb | 604 | }\r |
605 | \r | |
216f7970 | 606 | UdpIoFreeIo (Instance->UnicastPort);\r |
607 | FreePool (Instance);\r | |
608 | \r | |
772db4bb | 609 | return Status;\r |
610 | }\r | |
611 | \r | |
612 | \r | |
613 | /**\r | |
75dce340 | 614 | Destroy one of the service binding's child.\r |
772db4bb | 615 | \r |
616 | @param This The service binding instance\r | |
75dce340 | 617 | @param ChildHandle The child handle to destroy\r |
772db4bb | 618 | \r |
619 | @retval EFI_INVALID_PARAMETER The parameter is invaid.\r | |
75dce340 | 620 | @retval EFI_UNSUPPORTED The child may have already been destroyed.\r |
621 | @retval EFI_SUCCESS The child is destroyed and removed from the\r | |
772db4bb | 622 | parent's child list.\r |
623 | \r | |
624 | **/\r | |
625 | EFI_STATUS\r | |
dab714aa | 626 | EFIAPI\r |
772db4bb | 627 | Mtftp4ServiceBindingDestroyChild (\r |
628 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
629 | IN EFI_HANDLE ChildHandle\r | |
630 | )\r | |
631 | {\r | |
632 | MTFTP4_SERVICE *MtftpSb;\r | |
633 | MTFTP4_PROTOCOL *Instance;\r | |
634 | EFI_MTFTP4_PROTOCOL *Mtftp4;\r | |
635 | EFI_STATUS Status;\r | |
636 | EFI_TPL OldTpl;\r | |
637 | \r | |
638 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
639 | return EFI_INVALID_PARAMETER;\r | |
640 | }\r | |
641 | \r | |
642 | //\r | |
643 | // Retrieve the private context data structures\r | |
644 | //\r | |
645 | Status = gBS->OpenProtocol (\r | |
646 | ChildHandle,\r | |
647 | &gEfiMtftp4ProtocolGuid,\r | |
648 | (VOID **) &Mtftp4,\r | |
649 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
650 | ChildHandle,\r | |
651 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
652 | );\r | |
653 | \r | |
654 | if (EFI_ERROR (Status)) {\r | |
655 | return EFI_UNSUPPORTED;\r | |
656 | }\r | |
657 | \r | |
658 | Instance = MTFTP4_PROTOCOL_FROM_THIS (Mtftp4);\r | |
659 | MtftpSb = MTFTP4_SERVICE_FROM_THIS (This);\r | |
660 | \r | |
661 | if (Instance->Service != MtftpSb) {\r | |
662 | return EFI_INVALID_PARAMETER;\r | |
663 | }\r | |
664 | \r | |
75dce340 | 665 | if (Instance->InDestroy) {\r |
772db4bb | 666 | return EFI_SUCCESS;\r |
667 | }\r | |
668 | \r | |
75dce340 | 669 | Instance->InDestroy = TRUE;\r |
772db4bb | 670 | \r |
671 | //\r | |
672 | // Close the Udp4 protocol.\r | |
673 | //\r | |
674 | gBS->CloseProtocol (\r | |
675 | MtftpSb->ConnectUdp->UdpHandle,\r | |
676 | &gEfiUdp4ProtocolGuid,\r | |
677 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
678 | ChildHandle\r | |
679 | );\r | |
680 | \r | |
216f7970 | 681 | gBS->CloseProtocol (\r |
682 | Instance->UnicastPort->UdpHandle,\r | |
683 | &gEfiUdp4ProtocolGuid,\r | |
684 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
685 | ChildHandle\r | |
686 | );\r | |
687 | \r | |
688 | if (Instance->McastUdpPort != NULL) {\r | |
689 | gBS->CloseProtocol (\r | |
690 | Instance->McastUdpPort->UdpHandle,\r | |
691 | &gEfiUdp4ProtocolGuid,\r | |
692 | gMtftp4DriverBinding.DriverBindingHandle,\r | |
693 | ChildHandle\r | |
694 | ); \r | |
695 | }\r | |
696 | \r | |
772db4bb | 697 | //\r |
698 | // Uninstall the MTFTP4 protocol first to enable a top down destruction.\r | |
699 | //\r | |
700 | Status = gBS->UninstallProtocolInterface (\r | |
701 | ChildHandle,\r | |
702 | &gEfiMtftp4ProtocolGuid,\r | |
703 | Mtftp4\r | |
704 | );\r | |
705 | \r | |
706 | if (EFI_ERROR (Status)) {\r | |
75dce340 | 707 | Instance->InDestroy = FALSE;\r |
772db4bb | 708 | return Status;\r |
709 | }\r | |
710 | \r | |
e48e37fc | 711 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
772db4bb | 712 | \r |
713 | Mtftp4CleanOperation (Instance, EFI_DEVICE_ERROR);\r | |
b45b45b2 | 714 | UdpIoFreeIo (Instance->UnicastPort);\r |
772db4bb | 715 | \r |
e48e37fc | 716 | RemoveEntryList (&Instance->Link);\r |
772db4bb | 717 | MtftpSb->ChildrenNum--;\r |
718 | \r | |
e48e37fc | 719 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 720 | \r |
766c7483 | 721 | FreePool (Instance);\r |
772db4bb | 722 | return EFI_SUCCESS;\r |
723 | }\r |