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10dc8c56 AC |
1 | /** @file\r |
2 | The driver binding and service binding protocol for Redfish RestExDxe driver.\r | |
3 | \r | |
4 | Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r | |
5 | (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>\r | |
6 | \r | |
7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
8 | \r | |
9 | **/\r | |
10 | \r | |
11 | #include <Uefi.h>\r | |
12 | #include "RedfishRestExDriver.h"\r | |
13 | \r | |
39de741e | 14 | EFI_DRIVER_BINDING_PROTOCOL gRedfishRestExDriverBinding = {\r |
10dc8c56 AC |
15 | RedfishRestExDriverBindingSupported,\r |
16 | RedfishRestExDriverBindingStart,\r | |
17 | RedfishRestExDriverBindingStop,\r | |
18 | REDFISH_RESTEX_DRIVER_VERSION,\r | |
19 | NULL,\r | |
20 | NULL\r | |
21 | };\r | |
22 | \r | |
39de741e | 23 | EFI_SERVICE_BINDING_PROTOCOL mRedfishRestExServiceBinding = {\r |
10dc8c56 AC |
24 | RedfishRestExServiceBindingCreateChild,\r |
25 | RedfishRestExServiceBindingDestroyChild\r | |
26 | };\r | |
27 | \r | |
28 | /**\r | |
29 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
30 | \r | |
31 | @param[in] Entry The entry to be removed.\r | |
32 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
33 | \r | |
34 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
35 | @retval Others Fail to remove the entry.\r | |
36 | \r | |
37 | **/\r | |
38 | EFI_STATUS\r | |
39 | EFIAPI\r | |
40 | RestExDestroyChildEntryInHandleBuffer (\r | |
39de741e MK |
41 | IN LIST_ENTRY *Entry,\r |
42 | IN VOID *Context\r | |
10dc8c56 AC |
43 | )\r |
44 | {\r | |
45 | RESTEX_INSTANCE *Instance;\r | |
46 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
47 | UINTN NumberOfChildren;\r | |
48 | EFI_HANDLE *ChildHandleBuffer;\r | |
49 | \r | |
39de741e | 50 | if ((Entry == NULL) || (Context == NULL)) {\r |
10dc8c56 AC |
51 | return EFI_INVALID_PARAMETER;\r |
52 | }\r | |
53 | \r | |
39de741e MK |
54 | Instance = NET_LIST_USER_STRUCT_S (Entry, RESTEX_INSTANCE, Link, RESTEX_INSTANCE_SIGNATURE);\r |
55 | ServiceBinding = ((RESTEX_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)Context)->ServiceBinding;\r | |
56 | NumberOfChildren = ((RESTEX_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)Context)->NumberOfChildren;\r | |
57 | ChildHandleBuffer = ((RESTEX_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)Context)->ChildHandleBuffer;\r | |
10dc8c56 AC |
58 | \r |
59 | if (!NetIsInHandleBuffer (Instance->ChildHandle, NumberOfChildren, ChildHandleBuffer)) {\r | |
60 | return EFI_SUCCESS;\r | |
61 | }\r | |
62 | \r | |
63 | return ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);\r | |
64 | }\r | |
65 | \r | |
66 | /**\r | |
67 | Destroy the RestEx instance and recycle the resources.\r | |
68 | \r | |
69 | @param[in] Instance The pointer to the RestEx instance.\r | |
70 | \r | |
71 | **/\r | |
72 | VOID\r | |
73 | RestExDestroyInstance (\r | |
39de741e | 74 | IN RESTEX_INSTANCE *Instance\r |
10dc8c56 AC |
75 | )\r |
76 | {\r | |
77 | HttpIoDestroyIo (&(Instance->HttpIo));\r | |
78 | \r | |
79 | FreePool (Instance);\r | |
80 | }\r | |
81 | \r | |
82 | /**\r | |
83 | Create the RestEx instance and initialize it.\r | |
84 | \r | |
85 | @param[in] Service The pointer to the RestEx service.\r | |
86 | @param[out] Instance The pointer to the RestEx instance.\r | |
87 | \r | |
88 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resources.\r | |
89 | @retval EFI_SUCCESS The RestEx instance is created.\r | |
90 | \r | |
91 | **/\r | |
92 | EFI_STATUS\r | |
93 | RestExCreateInstance (\r | |
39de741e MK |
94 | IN RESTEX_SERVICE *Service,\r |
95 | OUT RESTEX_INSTANCE **Instance\r | |
10dc8c56 AC |
96 | )\r |
97 | {\r | |
39de741e MK |
98 | RESTEX_INSTANCE *RestExIns;\r |
99 | EFI_STATUS Status;\r | |
10dc8c56 AC |
100 | \r |
101 | *Instance = NULL;\r | |
102 | Status = EFI_SUCCESS;\r | |
103 | \r | |
104 | RestExIns = AllocateZeroPool (sizeof (RESTEX_INSTANCE));\r | |
105 | if (RestExIns == NULL) {\r | |
106 | return EFI_OUT_OF_RESOURCES;\r | |
107 | }\r | |
108 | \r | |
109 | RestExIns->Signature = RESTEX_INSTANCE_SIGNATURE;\r | |
110 | InitializeListHead (&RestExIns->Link);\r | |
111 | RestExIns->InDestroy = FALSE;\r | |
112 | RestExIns->Service = Service;\r | |
113 | \r | |
114 | CopyMem (&RestExIns->RestEx, &mRedfishRestExProtocol, sizeof (RestExIns->RestEx));\r | |
115 | \r | |
116 | //\r | |
117 | // Create a HTTP_IO to access the HTTP service.\r | |
118 | //\r | |
119 | Status = HttpIoCreateIo (\r | |
120 | RestExIns->Service->ImageHandle,\r | |
121 | RestExIns->Service->ControllerHandle,\r | |
122 | IP_VERSION_4,\r | |
123 | NULL,\r | |
124 | NULL,\r | |
125 | NULL,\r | |
126 | &(RestExIns->HttpIo)\r | |
127 | );\r | |
128 | if (EFI_ERROR (Status)) {\r | |
129 | FreePool (RestExIns);\r | |
130 | return Status;\r | |
131 | }\r | |
132 | \r | |
133 | *Instance = RestExIns;\r | |
134 | \r | |
135 | return EFI_SUCCESS;\r | |
136 | }\r | |
137 | \r | |
138 | /**\r | |
139 | Release all the resource used the RestEx service binding instance.\r | |
140 | \r | |
141 | @param[in] RestExSb The RestEx service binding instance.\r | |
142 | \r | |
143 | **/\r | |
144 | VOID\r | |
145 | RestExDestroyService (\r | |
39de741e | 146 | IN RESTEX_SERVICE *RestExSb\r |
10dc8c56 AC |
147 | )\r |
148 | {\r | |
149 | if (RestExSb->HttpChildHandle != NULL) {\r | |
150 | gBS->CloseProtocol (\r | |
151 | RestExSb->HttpChildHandle,\r | |
152 | &gEfiHttpProtocolGuid,\r | |
153 | RestExSb->ImageHandle,\r | |
154 | RestExSb->ControllerHandle\r | |
155 | );\r | |
156 | \r | |
157 | NetLibDestroyServiceChild (\r | |
158 | RestExSb->ControllerHandle,\r | |
159 | RestExSb->ImageHandle,\r | |
160 | &gEfiHttpServiceBindingProtocolGuid,\r | |
161 | RestExSb->HttpChildHandle\r | |
162 | );\r | |
163 | \r | |
164 | RestExSb->HttpChildHandle = NULL;\r | |
165 | }\r | |
166 | \r | |
167 | gBS->UninstallProtocolInterface (\r | |
168 | RestExSb->ControllerHandle,\r | |
169 | &gEfiCallerIdGuid,\r | |
170 | &RestExSb->Id\r | |
171 | );\r | |
172 | \r | |
173 | FreePool (RestExSb);\r | |
174 | }\r | |
175 | \r | |
176 | /**\r | |
177 | Check the NIC controller handle represents an in-band or out-of-band Redfish host\r | |
178 | interface device. If not in-band, treat it as out-of-band interface device.\r | |
179 | \r | |
180 | @param[in] Controller The NIC controller handle needs to be checked.\r | |
181 | \r | |
182 | @return EFI_REST_EX_SERVICE_ACCESS_MODE of the device.\r | |
183 | \r | |
184 | **/\r | |
185 | EFI_REST_EX_SERVICE_ACCESS_MODE\r | |
186 | RestExServiceAccessMode (\r | |
39de741e | 187 | IN EFI_HANDLE Controller\r |
10dc8c56 AC |
188 | )\r |
189 | {\r | |
190 | //\r | |
191 | // This is EFI REST EX driver instance to connect\r | |
192 | // to Redfish service using HTTP in out of band.\r | |
193 | //\r | |
194 | if (FixedPcdGetBool (PcdRedfishRestExServiceAccessModeInBand)) {\r | |
195 | return EfiRestExServiceInBandAccess;\r | |
196 | } else {\r | |
197 | return EfiRestExServiceOutOfBandAccess;\r | |
198 | }\r | |
199 | }\r | |
200 | \r | |
201 | /**\r | |
202 | Create then initialize a RestEx service binding instance.\r | |
203 | \r | |
204 | @param[in] Controller The controller to install the RestEx service\r | |
205 | binding on.\r | |
206 | @param[in] Image The driver binding image of the RestEx driver.\r | |
207 | @param[out] Service The variable to receive the created service\r | |
208 | binding instance.\r | |
209 | \r | |
210 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resource to create the instance.\r | |
211 | @retval EFI_SUCCESS The service instance is created for the controller.\r | |
212 | \r | |
213 | **/\r | |
214 | EFI_STATUS\r | |
215 | RestExCreateService (\r | |
39de741e MK |
216 | IN EFI_HANDLE Controller,\r |
217 | IN EFI_HANDLE Image,\r | |
218 | OUT RESTEX_SERVICE **Service\r | |
10dc8c56 AC |
219 | )\r |
220 | {\r | |
39de741e MK |
221 | EFI_STATUS Status;\r |
222 | RESTEX_SERVICE *RestExSb;\r | |
10dc8c56 | 223 | \r |
39de741e MK |
224 | Status = EFI_SUCCESS;\r |
225 | RestExSb = NULL;\r | |
10dc8c56 | 226 | \r |
39de741e | 227 | *Service = NULL;\r |
10dc8c56 AC |
228 | \r |
229 | RestExSb = AllocateZeroPool (sizeof (RESTEX_SERVICE));\r | |
230 | if (RestExSb == NULL) {\r | |
231 | return EFI_OUT_OF_RESOURCES;\r | |
232 | }\r | |
233 | \r | |
234 | RestExSb->Signature = RESTEX_SERVICE_SIGNATURE;\r | |
235 | \r | |
236 | RestExSb->ServiceBinding = mRedfishRestExServiceBinding;\r | |
237 | \r | |
238 | RestExSb->RestExChildrenNum = 0;\r | |
239 | InitializeListHead (&RestExSb->RestExChildrenList);\r | |
240 | \r | |
241 | RestExSb->ControllerHandle = Controller;\r | |
242 | RestExSb->ImageHandle = Image;\r | |
243 | \r | |
39de741e | 244 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.EfiRestExServiceInfoHeader.Length = sizeof (EFI_REST_EX_SERVICE_INFO);\r |
10dc8c56 AC |
245 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.EfiRestExServiceInfoHeader.RestServiceInfoVer.Major = 1;\r |
246 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.EfiRestExServiceInfoHeader.RestServiceInfoVer.Minor = 0;\r | |
39de741e MK |
247 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.RestServiceType = EfiRestExServiceRedfish;\r |
248 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.RestServiceAccessMode = RestExServiceAccessMode (Controller);\r | |
249 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.RestExConfigType = EfiRestExConfigHttp;\r | |
250 | RestExSb->RestExServiceInfo.EfiRestExServiceInfoV10.RestExConfigDataLength = sizeof (EFI_REST_EX_HTTP_CONFIG_DATA);\r | |
10dc8c56 AC |
251 | \r |
252 | Status = gBS->InstallProtocolInterface (\r | |
253 | &Controller,\r | |
254 | &gEfiCallerIdGuid,\r | |
255 | EFI_NATIVE_INTERFACE,\r | |
256 | &RestExSb->Id\r | |
257 | );\r | |
258 | if (EFI_ERROR (Status)) {\r | |
259 | FreePool (RestExSb);\r | |
260 | RestExSb = NULL;\r | |
261 | }\r | |
262 | \r | |
263 | *Service = RestExSb;\r | |
264 | return Status;\r | |
265 | }\r | |
266 | \r | |
267 | /**\r | |
268 | This is the declaration of an EFI image entry point. This entry point is\r | |
269 | the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r | |
270 | both device drivers and bus drivers.\r | |
271 | \r | |
272 | @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r | |
273 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
274 | \r | |
275 | @retval EFI_SUCCESS The operation completed successfully.\r | |
276 | @retval Others An unexpected error occurred.\r | |
277 | **/\r | |
278 | EFI_STATUS\r | |
279 | EFIAPI\r | |
280 | RedfishRestExDriverEntryPoint (\r | |
281 | IN EFI_HANDLE ImageHandle,\r | |
282 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
283 | )\r | |
284 | {\r | |
285 | EFI_STATUS Status;\r | |
286 | \r | |
287 | Status = EFI_SUCCESS;\r | |
288 | \r | |
289 | //\r | |
290 | // Install the RestEx Driver Binding Protocol.\r | |
291 | //\r | |
292 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
293 | ImageHandle,\r | |
294 | SystemTable,\r | |
295 | &gRedfishRestExDriverBinding,\r | |
296 | ImageHandle,\r | |
297 | &gRedfishRestExComponentName,\r | |
298 | &gRedfishRestExComponentName2\r | |
299 | );\r | |
300 | if (EFI_ERROR (Status)) {\r | |
301 | return Status;\r | |
302 | }\r | |
303 | \r | |
304 | return Status;\r | |
305 | }\r | |
306 | \r | |
307 | /**\r | |
308 | Tests to see if this driver supports a given controller. If a child device is provided,\r | |
309 | it further tests to see if this driver supports creating a handle for the specified child device.\r | |
310 | \r | |
311 | This function checks to see if the driver specified by This supports the device specified by\r | |
312 | ControllerHandle. Drivers will typically use the device path attached to\r | |
313 | ControllerHandle and/or the services from the bus I/O abstraction attached to\r | |
314 | ControllerHandle to determine if the driver supports ControllerHandle. This function\r | |
315 | may be called many times during platform initialization. In order to reduce boot times, the tests\r | |
316 | performed by this function must be very small, and take as little time as possible to execute. This\r | |
317 | function must not change the state of any hardware devices, and this function must be aware that the\r | |
318 | device specified by ControllerHandle may already be managed by the same driver or a\r | |
319 | different driver. This function must match its calls to AllocatePages() with FreePages(),\r | |
320 | AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().\r | |
321 | Because ControllerHandle may have been previously started by the same driver, if a protocol is\r | |
322 | already in the opened state, then it must not be closed with CloseProtocol(). This is required\r | |
323 | to guarantee the state of ControllerHandle is not modified by this function.\r | |
324 | \r | |
325 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
326 | @param[in] ControllerHandle The handle of the controller to test. This handle\r | |
327 | must support a protocol interface that supplies\r | |
328 | an I/O abstraction to the driver.\r | |
329 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
330 | parameter is ignored by device drivers, and is optional for bus\r | |
331 | drivers. For bus drivers, if this parameter is not NULL, then\r | |
332 | the bus driver must determine if the bus controller specified\r | |
333 | by ControllerHandle and the child controller specified\r | |
334 | by RemainingDevicePath are both supported by this\r | |
335 | bus driver.\r | |
336 | \r | |
337 | @retval EFI_SUCCESS The device specified by ControllerHandle and\r | |
338 | RemainingDevicePath is supported by the driver specified by This.\r | |
339 | @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r | |
340 | RemainingDevicePath is already being managed by the driver\r | |
341 | specified by This.\r | |
342 | @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r | |
343 | RemainingDevicePath is already being managed by a different\r | |
344 | driver or an application that requires exclusive access.\r | |
345 | Currently not implemented.\r | |
346 | @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r | |
347 | RemainingDevicePath is not supported by the driver specified by This.\r | |
348 | **/\r | |
349 | EFI_STATUS\r | |
350 | EFIAPI\r | |
351 | RedfishRestExDriverBindingSupported (\r | |
352 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
353 | IN EFI_HANDLE ControllerHandle,\r | |
354 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
355 | )\r | |
356 | {\r | |
10dc8c56 AC |
357 | //\r |
358 | // Test for the HttpServiceBinding Protocol.\r | |
359 | //\r | |
360 | return gBS->OpenProtocol (\r | |
361 | ControllerHandle,\r | |
362 | &gEfiHttpServiceBindingProtocolGuid,\r | |
363 | NULL,\r | |
364 | This->DriverBindingHandle,\r | |
365 | ControllerHandle,\r | |
366 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
367 | );\r | |
10dc8c56 AC |
368 | }\r |
369 | \r | |
370 | /**\r | |
371 | Starts a device controller or a bus controller.\r | |
372 | \r | |
373 | The Start() function is designed to be invoked from the EFI boot service ConnectController().\r | |
374 | As a result, much of the error checking on the parameters to Start() has been moved into this\r | |
375 | common boot service. It is legal to call Start() from other locations,\r | |
376 | but the following calling restrictions must be followed, or the system behavior will not be deterministic.\r | |
377 | 1. ControllerHandle must be a valid EFI_HANDLE.\r | |
378 | 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned\r | |
379 | EFI_DEVICE_PATH_PROTOCOL.\r | |
380 | 3. Prior to calling Start(), the Supported() function for the driver specified by This must\r | |
381 | have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.\r | |
382 | \r | |
383 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
384 | @param[in] ControllerHandle The handle of the controller to start. This handle\r | |
385 | must support a protocol interface that supplies\r | |
386 | an I/O abstraction to the driver.\r | |
387 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
388 | parameter is ignored by device drivers, and is optional for bus\r | |
389 | drivers. For a bus driver, if this parameter is NULL, then handles\r | |
390 | for all the children of Controller are created by this driver.\r | |
391 | If this parameter is not NULL and the first Device Path Node is\r | |
392 | not the End of Device Path Node, then only the handle for the\r | |
393 | child device specified by the first Device Path Node of\r | |
394 | RemainingDevicePath is created by this driver.\r | |
395 | If the first Device Path Node of RemainingDevicePath is\r | |
396 | the End of Device Path Node, no child handle is created by this\r | |
397 | driver.\r | |
398 | \r | |
399 | @retval EFI_SUCCESS The device was started.\r | |
400 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.\r | |
401 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
402 | @retval Others The driver failded to start the device.\r | |
403 | \r | |
404 | **/\r | |
405 | EFI_STATUS\r | |
406 | EFIAPI\r | |
407 | RedfishRestExDriverBindingStart (\r | |
408 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
409 | IN EFI_HANDLE ControllerHandle,\r | |
410 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
411 | )\r | |
412 | {\r | |
39de741e MK |
413 | RESTEX_SERVICE *RestExSb;\r |
414 | EFI_STATUS Status;\r | |
415 | UINT32 *Id;\r | |
416 | VOID *Interface;\r | |
10dc8c56 AC |
417 | \r |
418 | Status = gBS->OpenProtocol (\r | |
419 | ControllerHandle,\r | |
420 | &gEfiCallerIdGuid,\r | |
39de741e | 421 | (VOID **)&Id,\r |
10dc8c56 AC |
422 | This->DriverBindingHandle,\r |
423 | ControllerHandle,\r | |
424 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
425 | );\r | |
426 | if (!EFI_ERROR (Status)) {\r | |
427 | return EFI_ALREADY_STARTED;\r | |
428 | }\r | |
429 | \r | |
430 | Status = RestExCreateService (ControllerHandle, This->DriverBindingHandle, &RestExSb);\r | |
431 | if (EFI_ERROR (Status)) {\r | |
432 | return Status;\r | |
433 | }\r | |
434 | \r | |
435 | ASSERT (RestExSb != NULL);\r | |
436 | \r | |
437 | //\r | |
438 | // Create a Http child instance, but do not configure it.\r | |
439 | // This will establish the parent-child relationship.\r | |
440 | //\r | |
441 | Status = NetLibCreateServiceChild (\r | |
442 | ControllerHandle,\r | |
443 | This->DriverBindingHandle,\r | |
444 | &gEfiHttpServiceBindingProtocolGuid,\r | |
445 | &RestExSb->HttpChildHandle\r | |
446 | );\r | |
447 | if (EFI_ERROR (Status)) {\r | |
448 | goto ON_ERROR;\r | |
449 | }\r | |
450 | \r | |
451 | Status = gBS->OpenProtocol (\r | |
452 | RestExSb->HttpChildHandle,\r | |
453 | &gEfiHttpProtocolGuid,\r | |
454 | &Interface,\r | |
455 | This->DriverBindingHandle,\r | |
456 | ControllerHandle,\r | |
457 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
458 | );\r | |
459 | if (EFI_ERROR (Status)) {\r | |
460 | goto ON_ERROR;\r | |
461 | }\r | |
462 | \r | |
463 | //\r | |
464 | // Install the RestEx ServiceBinding Protocol onto ControllerHandle.\r | |
465 | //\r | |
466 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
467 | &ControllerHandle,\r | |
468 | &gEfiRestExServiceBindingProtocolGuid,\r | |
469 | &RestExSb->ServiceBinding,\r | |
470 | NULL\r | |
471 | );\r | |
472 | if (EFI_ERROR (Status)) {\r | |
473 | goto ON_ERROR;\r | |
474 | }\r | |
475 | \r | |
476 | return EFI_SUCCESS;\r | |
477 | \r | |
478 | ON_ERROR:\r | |
479 | RestExDestroyService (RestExSb);\r | |
480 | \r | |
481 | return Status;\r | |
482 | }\r | |
483 | \r | |
484 | /**\r | |
485 | Stops a device controller or a bus controller.\r | |
486 | \r | |
487 | The Stop() function is designed to be invoked from the EFI boot service DisconnectController().\r | |
488 | As a result, much of the error checking on the parameters to Stop() has been moved\r | |
489 | into this common boot service. It is legal to call Stop() from other locations,\r | |
490 | but the following calling restrictions must be followed, or the system behavior will not be deterministic.\r | |
491 | 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this\r | |
492 | same driver's Start() function.\r | |
493 | 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid\r | |
494 | EFI_HANDLE. In addition, all of these handles must have been created in this driver's\r | |
495 | Start() function, and the Start() function must have called OpenProtocol() on\r | |
496 | ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
497 | \r | |
498 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
499 | @param[in] ControllerHandle A handle to the device being stopped. The handle must\r | |
500 | support a bus specific I/O protocol for the driver\r | |
501 | to use to stop the device.\r | |
502 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
503 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
504 | if NumberOfChildren is 0.\r | |
505 | \r | |
506 | @retval EFI_SUCCESS The device was stopped.\r | |
507 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
508 | \r | |
509 | **/\r | |
510 | EFI_STATUS\r | |
511 | EFIAPI\r | |
512 | RedfishRestExDriverBindingStop (\r | |
513 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
514 | IN EFI_HANDLE ControllerHandle,\r | |
515 | IN UINTN NumberOfChildren,\r | |
516 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
517 | )\r | |
518 | {\r | |
39de741e MK |
519 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r |
520 | RESTEX_SERVICE *RestExSb;\r | |
521 | EFI_HANDLE NicHandle;\r | |
522 | EFI_STATUS Status;\r | |
523 | LIST_ENTRY *List;\r | |
524 | RESTEX_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r | |
10dc8c56 AC |
525 | \r |
526 | //\r | |
527 | // RestEx driver opens HTTP child, So, Controller is a HTTP\r | |
528 | // child handle. Locate the Nic handle first. Then get the\r | |
529 | // RestEx private data back.\r | |
530 | //\r | |
531 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiHttpProtocolGuid);\r | |
532 | if (NicHandle == NULL) {\r | |
533 | return EFI_SUCCESS;\r | |
534 | }\r | |
535 | \r | |
536 | Status = gBS->OpenProtocol (\r | |
537 | NicHandle,\r | |
538 | &gEfiRestExServiceBindingProtocolGuid,\r | |
39de741e | 539 | (VOID **)&ServiceBinding,\r |
10dc8c56 AC |
540 | This->DriverBindingHandle,\r |
541 | NicHandle,\r | |
542 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
543 | );\r | |
544 | if (EFI_ERROR (Status)) {\r | |
545 | return EFI_DEVICE_ERROR;\r | |
546 | }\r | |
547 | \r | |
548 | RestExSb = RESTEX_SERVICE_FROM_THIS (ServiceBinding);\r | |
549 | \r | |
550 | if (!IsListEmpty (&RestExSb->RestExChildrenList)) {\r | |
551 | //\r | |
552 | // Destroy the RestEx child instance in ChildHandleBuffer.\r | |
553 | //\r | |
39de741e | 554 | List = &RestExSb->RestExChildrenList;\r |
10dc8c56 AC |
555 | Context.ServiceBinding = ServiceBinding;\r |
556 | Context.NumberOfChildren = NumberOfChildren;\r | |
557 | Context.ChildHandleBuffer = ChildHandleBuffer;\r | |
39de741e MK |
558 | Status = NetDestroyLinkList (\r |
559 | List,\r | |
560 | RestExDestroyChildEntryInHandleBuffer,\r | |
561 | &Context,\r | |
562 | NULL\r | |
563 | );\r | |
10dc8c56 AC |
564 | }\r |
565 | \r | |
39de741e | 566 | if ((NumberOfChildren == 0) && IsListEmpty (&RestExSb->RestExChildrenList)) {\r |
10dc8c56 AC |
567 | gBS->UninstallProtocolInterface (\r |
568 | NicHandle,\r | |
569 | &gEfiRestExServiceBindingProtocolGuid,\r | |
570 | ServiceBinding\r | |
571 | );\r | |
572 | \r | |
573 | RestExDestroyService (RestExSb);\r | |
574 | \r | |
575 | if (gRedfishRestExControllerNameTable != NULL) {\r | |
576 | FreeUnicodeStringTable (gRedfishRestExControllerNameTable);\r | |
577 | gRedfishRestExControllerNameTable = NULL;\r | |
578 | }\r | |
579 | \r | |
580 | Status = EFI_SUCCESS;\r | |
581 | }\r | |
582 | \r | |
583 | return Status;\r | |
584 | }\r | |
585 | \r | |
586 | /**\r | |
587 | Creates a child handle and installs a protocol.\r | |
588 | \r | |
589 | The CreateChild() function installs a protocol on ChildHandle.\r | |
590 | If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.\r | |
591 | If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.\r | |
592 | \r | |
593 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r | |
594 | @param[in] ChildHandle Pointer to the handle of the child to create. If it is NULL,\r | |
595 | then a new handle is created. If it is a pointer to an existing UEFI handle,\r | |
596 | then the protocol is added to the existing UEFI handle.\r | |
597 | \r | |
598 | @retval EFI_SUCCES The protocol was added to ChildHandle.\r | |
599 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r | |
600 | @retval EFI_OUT_OF_RESOURCES There are not enough resources available to create\r | |
601 | the child\r | |
602 | @retval other The child handle was not created\r | |
603 | \r | |
604 | **/\r | |
605 | EFI_STATUS\r | |
606 | EFIAPI\r | |
607 | RedfishRestExServiceBindingCreateChild (\r | |
608 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
609 | IN EFI_HANDLE *ChildHandle\r | |
610 | )\r | |
611 | {\r | |
39de741e MK |
612 | RESTEX_SERVICE *RestExSb;\r |
613 | RESTEX_INSTANCE *Instance;\r | |
614 | EFI_STATUS Status;\r | |
615 | EFI_TPL OldTpl;\r | |
616 | VOID *Http;\r | |
10dc8c56 AC |
617 | \r |
618 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
619 | return EFI_INVALID_PARAMETER;\r | |
620 | }\r | |
621 | \r | |
622 | RestExSb = RESTEX_SERVICE_FROM_THIS (This);\r | |
623 | \r | |
624 | Status = RestExCreateInstance (RestExSb, &Instance);\r | |
625 | if (EFI_ERROR (Status)) {\r | |
626 | return Status;\r | |
627 | }\r | |
39de741e | 628 | \r |
10dc8c56 AC |
629 | ASSERT (Instance != NULL);\r |
630 | \r | |
631 | //\r | |
632 | // Install the RestEx protocol onto ChildHandle\r | |
633 | //\r | |
634 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
635 | ChildHandle,\r | |
636 | &gEfiRestExProtocolGuid,\r | |
637 | &Instance->RestEx,\r | |
638 | NULL\r | |
639 | );\r | |
640 | if (EFI_ERROR (Status)) {\r | |
641 | goto ON_ERROR;\r | |
642 | }\r | |
643 | \r | |
644 | Instance->ChildHandle = *ChildHandle;\r | |
645 | \r | |
646 | //\r | |
647 | // Open the Http protocol BY_CHILD.\r | |
648 | //\r | |
649 | Status = gBS->OpenProtocol (\r | |
650 | RestExSb->HttpChildHandle,\r | |
651 | &gEfiHttpProtocolGuid,\r | |
39de741e | 652 | (VOID **)&Http,\r |
10dc8c56 AC |
653 | gRedfishRestExDriverBinding.DriverBindingHandle,\r |
654 | Instance->ChildHandle,\r | |
655 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
656 | );\r | |
657 | if (EFI_ERROR (Status)) {\r | |
658 | gBS->UninstallMultipleProtocolInterfaces (\r | |
659 | Instance->ChildHandle,\r | |
660 | &gEfiRestExProtocolGuid,\r | |
661 | &Instance->RestEx,\r | |
662 | NULL\r | |
663 | );\r | |
664 | \r | |
665 | goto ON_ERROR;\r | |
666 | }\r | |
667 | \r | |
668 | //\r | |
669 | // Open the Http protocol by child.\r | |
670 | //\r | |
671 | Status = gBS->OpenProtocol (\r | |
672 | Instance->HttpIo.Handle,\r | |
673 | &gEfiHttpProtocolGuid,\r | |
39de741e | 674 | (VOID **)&Http,\r |
10dc8c56 AC |
675 | gRedfishRestExDriverBinding.DriverBindingHandle,\r |
676 | Instance->ChildHandle,\r | |
677 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
678 | );\r | |
679 | if (EFI_ERROR (Status)) {\r | |
680 | //\r | |
681 | // Close the Http protocol.\r | |
682 | //\r | |
683 | gBS->CloseProtocol (\r | |
684 | RestExSb->HttpChildHandle,\r | |
685 | &gEfiHttpProtocolGuid,\r | |
686 | gRedfishRestExDriverBinding.DriverBindingHandle,\r | |
687 | ChildHandle\r | |
688 | );\r | |
689 | \r | |
39de741e MK |
690 | gBS->UninstallMultipleProtocolInterfaces (\r |
691 | Instance->ChildHandle,\r | |
692 | &gEfiRestExProtocolGuid,\r | |
693 | &Instance->RestEx,\r | |
694 | NULL\r | |
695 | );\r | |
10dc8c56 AC |
696 | \r |
697 | goto ON_ERROR;\r | |
698 | }\r | |
699 | \r | |
700 | //\r | |
701 | // Add it to the parent's child list.\r | |
702 | //\r | |
703 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
704 | \r | |
705 | InsertTailList (&RestExSb->RestExChildrenList, &Instance->Link);\r | |
706 | RestExSb->RestExChildrenNum++;\r | |
707 | \r | |
708 | gBS->RestoreTPL (OldTpl);\r | |
709 | \r | |
710 | return EFI_SUCCESS;\r | |
711 | \r | |
712 | ON_ERROR:\r | |
713 | \r | |
714 | RestExDestroyInstance (Instance);\r | |
715 | return Status;\r | |
716 | }\r | |
717 | \r | |
718 | /**\r | |
719 | Destroys a child handle with a protocol installed on it.\r | |
720 | \r | |
721 | The DestroyChild() function does the opposite of CreateChild(). It removes a protocol\r | |
722 | that was installed by CreateChild() from ChildHandle. If the removed protocol is the\r | |
723 | last protocol on ChildHandle, then ChildHandle is destroyed.\r | |
724 | \r | |
725 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r | |
726 | @param[in] ChildHandle Handle of the child to destroy\r | |
727 | \r | |
728 | @retval EFI_SUCCES The protocol was removed from ChildHandle.\r | |
729 | @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r | |
730 | @retval EFI_INVALID_PARAMETER Child handle is NULL.\r | |
731 | @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r | |
732 | because its services are being used.\r | |
733 | @retval other The child handle was not destroyed\r | |
734 | \r | |
735 | **/\r | |
736 | EFI_STATUS\r | |
737 | EFIAPI\r | |
738 | RedfishRestExServiceBindingDestroyChild (\r | |
739 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
740 | IN EFI_HANDLE ChildHandle\r | |
741 | )\r | |
742 | {\r | |
39de741e MK |
743 | RESTEX_SERVICE *RestExSb;\r |
744 | RESTEX_INSTANCE *Instance;\r | |
10dc8c56 | 745 | \r |
39de741e MK |
746 | EFI_REST_EX_PROTOCOL *RestEx;\r |
747 | EFI_STATUS Status;\r | |
748 | EFI_TPL OldTpl;\r | |
10dc8c56 AC |
749 | \r |
750 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
751 | return EFI_INVALID_PARAMETER;\r | |
752 | }\r | |
753 | \r | |
754 | //\r | |
755 | // Retrieve the private context data structures\r | |
756 | //\r | |
757 | Status = gBS->OpenProtocol (\r | |
758 | ChildHandle,\r | |
759 | &gEfiRestExProtocolGuid,\r | |
39de741e | 760 | (VOID **)&RestEx,\r |
10dc8c56 AC |
761 | NULL,\r |
762 | NULL,\r | |
763 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
764 | );\r | |
765 | \r | |
766 | if (EFI_ERROR (Status)) {\r | |
767 | return EFI_UNSUPPORTED;\r | |
768 | }\r | |
769 | \r | |
39de741e MK |
770 | Instance = RESTEX_INSTANCE_FROM_THIS (RestEx);\r |
771 | RestExSb = RESTEX_SERVICE_FROM_THIS (This);\r | |
10dc8c56 AC |
772 | \r |
773 | if (Instance->Service != RestExSb) {\r | |
774 | return EFI_INVALID_PARAMETER;\r | |
775 | }\r | |
776 | \r | |
777 | if (Instance->InDestroy) {\r | |
778 | return EFI_SUCCESS;\r | |
779 | }\r | |
780 | \r | |
781 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
782 | \r | |
783 | Instance->InDestroy = TRUE;\r | |
784 | \r | |
785 | //\r | |
786 | // Close the Http protocol.\r | |
787 | //\r | |
788 | gBS->CloseProtocol (\r | |
789 | RestExSb->HttpChildHandle,\r | |
790 | &gEfiHttpProtocolGuid,\r | |
791 | gRedfishRestExDriverBinding.DriverBindingHandle,\r | |
792 | ChildHandle\r | |
793 | );\r | |
794 | \r | |
795 | gBS->CloseProtocol (\r | |
796 | Instance->HttpIo.Handle,\r | |
797 | &gEfiHttpProtocolGuid,\r | |
798 | gRedfishRestExDriverBinding.DriverBindingHandle,\r | |
799 | ChildHandle\r | |
800 | );\r | |
801 | \r | |
10dc8c56 AC |
802 | gBS->RestoreTPL (OldTpl);\r |
803 | \r | |
804 | //\r | |
805 | // Uninstall the RestEx protocol first to enable a top down destruction.\r | |
806 | //\r | |
807 | Status = gBS->UninstallProtocolInterface (\r | |
808 | ChildHandle,\r | |
809 | &gEfiRestExProtocolGuid,\r | |
810 | RestEx\r | |
811 | );\r | |
812 | \r | |
813 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
814 | \r | |
815 | if (EFI_ERROR (Status)) {\r | |
816 | Instance->InDestroy = FALSE;\r | |
817 | gBS->RestoreTPL (OldTpl);\r | |
818 | return Status;\r | |
819 | }\r | |
820 | \r | |
821 | RemoveEntryList (&Instance->Link);\r | |
822 | RestExSb->RestExChildrenNum--;\r | |
823 | \r | |
824 | gBS->RestoreTPL (OldTpl);\r | |
825 | \r | |
826 | RestExDestroyInstance (Instance);\r | |
827 | return EFI_SUCCESS;\r | |
828 | }\r |