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1 /** @file
2   UEFI Component Name(2) protocol implementation for Mtftp6 driver.
3 
4   Copyright (c) 2009 - 2012, 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 #include "Mtftp6Impl.h"
17 
18 
19 /**
20   Retrieves a Unicode string that is the user-readable name of the driver.
21 
22   This function retrieves the user-readable name of a driver in the form of a
23   Unicode string. If the driver specified by This has a user-readable name in
24   the language specified by Language, then a pointer to the driver name is
25   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
26   by This does not support the language specified by Language,
27   then EFI_UNSUPPORTED is returned.
28 
29   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
30                                 EFI_COMPONENT_NAME_PROTOCOL instance.
31 
32   @param[in]  Language          A pointer to a Null-terminated ASCII string
33                                 array indicating the language. This is the
34                                 language of the driver name that the caller is
35                                 requesting, and it must match one of the
36                                 languages specified in SupportedLanguages. The
37                                 number of languages supported by a driver is up
38                                 to the driver writer. Language is specified
39                                 in RFC 4646 or ISO 639-2 language code format.
40 
41   @param[out]  DriverName       A pointer to the Unicode string to return.
42                                 This Unicode string is the name of the
43                                 driver specified by This in the language
44                                 specified by Language.
45 
46   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
47                                 This and the language specified by Language was
48                                 returned in DriverName.
49 
50   @retval EFI_INVALID_PARAMETER Language is NULL.
51 
52   @retval EFI_INVALID_PARAMETER DriverName is NULL.
53 
54   @retval EFI_UNSUPPORTED       The driver specified by This does not support
55                                 the language specified by Language.
56 
57 **/
58 EFI_STATUS
59 EFIAPI
60 Mtftp6ComponentNameGetDriverName (
61   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
62   IN  CHAR8                        *Language,
63   OUT CHAR16                       **DriverName
64   );
65 
66 /**
67   Retrieves a Unicode string that is the user-readable name of the controller
68   that is being managed by a driver.
69 
70   This function retrieves the user-readable name of the controller specified by
71   ControllerHandle and ChildHandle in the form of a Unicode string. If the
72   driver specified by This has a user-readable name in the language specified by
73   Language, then a pointer to the controller name is returned in ControllerName,
74   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
75   managing the controller specified by ControllerHandle and ChildHandle,
76   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
77   support the language specified by Language, then EFI_UNSUPPORTED is returned.
78 
79   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
80                                 EFI_COMPONENT_NAME_PROTOCOL instance.
81 
82   @param[in]  ControllerHandle  The handle of a controller that the driver
83                                 specified by This is managing.  This handle
84                                 specifies the controller whose name is to be
85                                 returned.
86 
87   @param[in]  ChildHandle       The handle of the child controller to retrieve
88                                 the name of.  This is an optional parameter that
89                                 may be NULL.  It will be NULL for device
90                                 drivers.  It will also be NULL for bus drivers
91                                 attempting to retrieve the name of the bus
92                                 controller.  It will not be NULL for a bus
93                                 driver that attempts to retrieve the name of a
94                                 child controller.
95 
96   @param[in]  Language          A pointer to a Null-terminated ASCII string
97                                 array indicating the language.  This is the
98                                 language of the driver name that the caller is
99                                 requesting, and it must match one of the
100                                 languages specified in SupportedLanguages. The
101                                 number of languages supported by a driver is up
102                                 to the driver writer. Language is specified in
103                                 RFC 4646 or ISO 639-2 language code format.
104 
105   @param[out]  ControllerName   A pointer to the Unicode string to return.
106                                 This Unicode string is the name of the
107                                 controller specified by ControllerHandle and
108                                 ChildHandle in the language specified by
109                                 Language from the point of view of the driver
110                                 specified by This.
111 
112   @retval EFI_SUCCESS           The Unicode string for the user-readable name in
113                                 the language specified by Language for the
114                                 driver specified by This was returned in
115                                 DriverName.
116 
117   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
118 
119   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL, and it is not a valid
120                                 EFI_HANDLE.
121 
122   @retval EFI_INVALID_PARAMETER Language is NULL.
123 
124   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
125 
126   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
127                                 managing the controller specified by
128                                 ControllerHandle and ChildHandle.
129 
130   @retval EFI_UNSUPPORTED       The driver specified by This does not support
131                                 the language specified by Language.
132 
133 **/
134 EFI_STATUS
135 EFIAPI
136 Mtftp6ComponentNameGetControllerName (
137   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
138   IN  EFI_HANDLE                                      ControllerHandle,
139   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
140   IN  CHAR8                                           *Language,
141   OUT CHAR16                                          **ControllerName
142   );
143 
144 //
145 // EFI Component Name Protocol
146 //
147 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL     gMtftp6ComponentName = {
148   Mtftp6ComponentNameGetDriverName,
149   Mtftp6ComponentNameGetControllerName,
150   "eng"
151 };
152 
153 //
154 // EFI Component Name 2 Protocol
155 //
156 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL    gMtftp6ComponentName2 = {
157   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Mtftp6ComponentNameGetDriverName,
158   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Mtftp6ComponentNameGetControllerName,
159   "en"
160 };
161 
162 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE        mMtftp6DriverNameTable[] = {
163   {
164     "eng;en",
165     L"MTFTP6 Network Service Driver"
166   },
167   {
168     NULL,
169     NULL
170   }
171 };
172 
173 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE   *gMtftp6ControllerNameTable = NULL;
174 
175 /**
176   Retrieves a Unicode string that is the user-readable name of the driver.
177 
178   This function retrieves the user-readable name of a driver in the form of a
179   Unicode string. If the driver specified by This has a user-readable name in
180   the language specified by Language, then a pointer to the driver name is
181   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
182   by This does not support the language specified by Language,
183   then EFI_UNSUPPORTED is returned.
184 
185   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
186                                 EFI_COMPONENT_NAME_PROTOCOL instance.
187 
188   @param[in]  Language          A pointer to a Null-terminated ASCII string
189                                 array indicating the language. This is the
190                                 language of the driver name that the caller is
191                                 requesting, and it must match one of the
192                                 languages specified in SupportedLanguages. The
193                                 number of languages supported by a driver is up
194                                 to the driver writer. Language is specified
195                                 in RFC 4646 or ISO 639-2 language code format.
196 
197   @param[out]  DriverName       A pointer to the Unicode string to return.
198                                 This Unicode string is the name of the
199                                 driver specified by This in the language
200                                 specified by Language.
201 
202   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
203                                 This and the language specified by Language was
204                                 returned in DriverName.
205 
206   @retval EFI_INVALID_PARAMETER Language is NULL.
207 
208   @retval EFI_INVALID_PARAMETER DriverName is NULL.
209 
210   @retval EFI_UNSUPPORTED       The driver specified by This does not support
211                                 the language specified by Language.
212 
213 **/
214 EFI_STATUS
215 EFIAPI
Mtftp6ComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)216 Mtftp6ComponentNameGetDriverName (
217   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
218   IN  CHAR8                        *Language,
219   OUT CHAR16                       **DriverName
220   )
221 {
222   return LookupUnicodeString2 (
223           Language,
224           This->SupportedLanguages,
225           mMtftp6DriverNameTable,
226           DriverName,
227           (BOOLEAN)(This == &gMtftp6ComponentName)
228           );
229 }
230 
231 /**
232   Update the component name for the Mtftp6 child handle.
233 
234   @param  Mtftp6[in]                A pointer to the EFI_MTFTP6_PROTOCOL.
235 
236 
237   @retval EFI_SUCCESS               Update the ControllerNameTable of this instance successfully.
238   @retval EFI_INVALID_PARAMETER     The input parameter is invalid.
239 
240 **/
241 EFI_STATUS
UpdateName(IN EFI_MTFTP6_PROTOCOL * Mtftp6)242 UpdateName (
243   IN    EFI_MTFTP6_PROTOCOL             *Mtftp6
244   )
245 {
246   EFI_STATUS                       Status;
247   CHAR16                           HandleName[128];
248   EFI_MTFTP6_MODE_DATA             Mtftp6ModeData;
249   CHAR16                           Address[sizeof"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
250 
251   if (Mtftp6 == NULL) {
252     return EFI_INVALID_PARAMETER;
253   }
254 
255   //
256   // Format the child name into the string buffer.
257   //
258   Status = Mtftp6->GetModeData (Mtftp6, &Mtftp6ModeData);
259   if (!EFI_ERROR (Status)) {
260     Status = NetLibIp6ToStr (&Mtftp6ModeData.ConfigData.ServerIp, Address, sizeof(Address));
261     if (EFI_ERROR (Status)) {
262       return Status;
263     }
264     UnicodeSPrint (HandleName, sizeof (HandleName),
265       L"MTFTPv6(ServerIp=%s, InitialServerPort=%d)",
266       Address,
267       Mtftp6ModeData.ConfigData.InitialServerPort
268       );
269   } else {
270     UnicodeSPrint (HandleName, 0x100, L"MTFTPv6(%r)", Status);
271   }
272 
273   if (gMtftp6ControllerNameTable != NULL) {
274     FreeUnicodeStringTable (gMtftp6ControllerNameTable);
275     gMtftp6ControllerNameTable = NULL;
276   }
277 
278   Status = AddUnicodeString2 (
279              "eng",
280              gMtftp6ComponentName.SupportedLanguages,
281              &gMtftp6ControllerNameTable,
282              HandleName,
283              TRUE
284              );
285   if (EFI_ERROR (Status)) {
286     return Status;
287   }
288 
289   return AddUnicodeString2 (
290            "en",
291            gMtftp6ComponentName2.SupportedLanguages,
292            &gMtftp6ControllerNameTable,
293            HandleName,
294            FALSE
295            );
296 }
297 
298 
299 /**
300   Retrieves a Unicode string that is the user-readable name of the controller
301   that is being managed by a driver.
302 
303   This function retrieves the user-readable name of the controller specified by
304   ControllerHandle and ChildHandle in the form of a Unicode string. If the
305   driver specified by This has a user-readable name in the language specified by
306   Language, then a pointer to the controller name is returned in ControllerName,
307   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
308   managing the controller specified by ControllerHandle and ChildHandle,
309   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
310   support the language specified by Language, then EFI_UNSUPPORTED is returned.
311 
312   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
313                                 EFI_COMPONENT_NAME_PROTOCOL instance.
314 
315   @param[in]  ControllerHandle  The handle of a controller that the driver
316                                 specified by This is managing.  This handle
317                                 specifies the controller whose name is to be
318                                 returned.
319 
320   @param[in]  ChildHandle       The handle of the child controller to retrieve
321                                 the name of.  This is an optional parameter that
322                                 may be NULL.  It will be NULL for device
323                                 drivers.  It will also be NULL for a bus drivers
324                                 attempting to retrieve the name of the bus
325                                 controller.  It will not be NULL for a bus
326                                 driver that attempts to retrieve the name of a
327                                 child controller.
328 
329   @param[in]  Language          A pointer to a Null-terminated ASCII string
330                                 array indicating the language.  This is the
331                                 language of the driver name that the caller is
332                                 requesting, and it must match one of the
333                                 languages specified in SupportedLanguages. The
334                                 number of languages supported by a driver is up
335                                 to the driver writer. Language is specified in
336                                 RFC 4646 or ISO 639-2 language code format.
337 
338   @param[out]  ControllerName   A pointer to the Unicode string to return.
339                                 This Unicode string is the name of the
340                                 controller specified by ControllerHandle and
341                                 ChildHandle in the language specified by
342                                 Language from the point of view of the driver
343                                 specified by This.
344 
345   @retval EFI_SUCCESS           The Unicode string for the user-readable name in
346                                 the language specified by Language for the
347                                 driver specified by This was returned in
348                                 DriverName.
349 
350   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
351 
352   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL, and it is not a valid
353                                 EFI_HANDLE.
354 
355   @retval EFI_INVALID_PARAMETER Language is NULL.
356 
357   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
358 
359   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
360                                 managing the controller specified by
361                                 ControllerHandle and ChildHandle.
362 
363   @retval EFI_UNSUPPORTED       The driver specified by This does not support
364                                 the language specified by Language.
365 
366 **/
367 EFI_STATUS
368 EFIAPI
Mtftp6ComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)369 Mtftp6ComponentNameGetControllerName (
370   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
371   IN  EFI_HANDLE                                      ControllerHandle,
372   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
373   IN  CHAR8                                           *Language,
374   OUT CHAR16                                          **ControllerName
375   )
376 {
377   EFI_STATUS                    Status;
378   EFI_MTFTP6_PROTOCOL           *Mtftp6;
379 
380   //
381   // Only provide names for child handles.
382   //
383   if (ChildHandle == NULL) {
384     return EFI_UNSUPPORTED;
385   }
386 
387   //
388   // Make sure this driver produced ChildHandle
389   //
390   Status = EfiTestChildHandle (
391              ControllerHandle,
392              ChildHandle,
393              &gEfiUdp6ProtocolGuid
394              );
395   if (EFI_ERROR (Status)) {
396     return Status;
397   }
398 
399   //
400   // Retrieve an instance of a produced protocol from ChildHandle
401   //
402   Status = gBS->OpenProtocol (
403                   ChildHandle,
404                   &gEfiMtftp6ProtocolGuid,
405                   (VOID **)&Mtftp6,
406                   NULL,
407                   NULL,
408                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
409                   );
410   if (EFI_ERROR (Status)) {
411     return Status;
412   }
413 
414   //
415   // Update the component name for this child handle.
416   //
417   Status = UpdateName (Mtftp6);
418   if (EFI_ERROR (Status)) {
419     return Status;
420   }
421 
422   return LookupUnicodeString2 (
423            Language,
424            This->SupportedLanguages,
425            gMtftp6ControllerNameTable,
426            ControllerName,
427            (BOOLEAN)(This == &gMtftp6ComponentName)
428            );
429 }
430 
431