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1 /** @file
2   UEFI Component Name(2) protocol implementation for Mtftp4Dxe driver.
3 
4 Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution.  The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php<BR>
9 
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 #include "Mtftp4Impl.h"
16 
17 //
18 // EFI Component Name Functions
19 //
20 /**
21   Retrieves a Unicode string that is the user readable name of the driver.
22 
23   This function retrieves the user readable name of a driver in the form of a
24   Unicode string. If the driver specified by This has a user readable name in
25   the language specified by Language, then a pointer to the driver name is
26   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
27   by This does not support the language specified by Language,
28   then EFI_UNSUPPORTED is returned.
29 
30   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
31                                 EFI_COMPONENT_NAME_PROTOCOL instance.
32 
33   @param[in]  Language          A pointer to a Null-terminated ASCII string
34                                 array indicating the language. This is the
35                                 language of the driver name that the caller is
36                                 requesting, and it must match one of the
37                                 languages specified in SupportedLanguages. The
38                                 number of languages supported by a driver is up
39                                 to the driver writer. Language is specified
40                                 in RFC 4646 or ISO 639-2 language code format.
41 
42   @param[out]  DriverName       A pointer to the Unicode string to return.
43                                 This Unicode string is the name of the
44                                 driver specified by This in the language
45                                 specified by Language.
46 
47   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
48                                 This and the language specified by Language was
49                                 returned in DriverName.
50 
51   @retval EFI_INVALID_PARAMETER Language is NULL.
52 
53   @retval EFI_INVALID_PARAMETER DriverName is NULL.
54 
55   @retval EFI_UNSUPPORTED       The driver specified by This does not support
56                                 the language specified by Language.
57 
58 **/
59 EFI_STATUS
60 EFIAPI
61 Mtftp4ComponentNameGetDriverName (
62   IN     EFI_COMPONENT_NAME_PROTOCOL  *This,
63   IN     CHAR8                        *Language,
64      OUT CHAR16                       **DriverName
65   );
66 
67 
68 /**
69   Retrieves a Unicode string that is the user readable name of the controller
70   that is being managed by a driver.
71 
72   This function retrieves the user readable name of the controller specified by
73   ControllerHandle and ChildHandle in the form of a Unicode string. If the
74   driver specified by This has a user readable name in the language specified by
75   Language, then a pointer to the controller name is returned in ControllerName,
76   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
77   managing the controller specified by ControllerHandle and ChildHandle,
78   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
79   support the language specified by Language, then EFI_UNSUPPORTED is returned.
80 
81   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
82                                 EFI_COMPONENT_NAME_PROTOCOL instance.
83 
84   @param[in]  ControllerHandle  The handle of a controller that the driver
85                                 specified by This is managing.  This handle
86                                 specifies the controller whose name is to be
87                                 returned.
88 
89   @param[in]  ChildHandle       The handle of the child controller to retrieve
90                                 the name of.  This is an optional parameter that
91                                 may be NULL.  It will be NULL for device
92                                 drivers.  It will also be NULL for a bus drivers
93                                 that wish to retrieve the name of the bus
94                                 controller.  It will not be NULL for a bus
95                                 driver that wishes to retrieve the name of a
96                                 child controller.
97 
98   @param[in]  Language          A pointer to a Null-terminated ASCII string
99                                 array indicating the language.  This is the
100                                 language of the driver name that the caller is
101                                 requesting, and it must match one of the
102                                 languages specified in SupportedLanguages. The
103                                 number of languages supported by a driver is up
104                                 to the driver writer. Language is specified in
105                                 RFC 4646 or ISO 639-2 language code format.
106 
107   @param[out]  ControllerName   A pointer to the Unicode string to return.
108                                 This Unicode string is the name of the
109                                 controller specified by ControllerHandle and
110                                 ChildHandle in the language specified by
111                                 Language from the point of view of the driver
112                                 specified by This.
113 
114   @retval EFI_SUCCESS           The Unicode string for the user readable name in
115                                 the language specified by Language for the
116                                 driver specified by This was returned in
117                                 DriverName.
118 
119   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
120 
121   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
122                                 EFI_HANDLE.
123 
124   @retval EFI_INVALID_PARAMETER Language is NULL.
125 
126   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
127 
128   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
129                                 managing the controller specified by
130                                 ControllerHandle and ChildHandle.
131 
132   @retval EFI_UNSUPPORTED       The driver specified by This does not support
133                                 the language specified by Language.
134 
135 **/
136 EFI_STATUS
137 EFIAPI
138 Mtftp4ComponentNameGetControllerName (
139   IN     EFI_COMPONENT_NAME_PROTOCOL               *This,
140   IN     EFI_HANDLE                                ControllerHandle,
141   IN     EFI_HANDLE                                ChildHandle        OPTIONAL,
142   IN     CHAR8                                     *Language,
143      OUT CHAR16                                    **ControllerName
144   );
145 
146 
147 ///
148 /// EFI Component Name Protocol
149 ///
150 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gMtftp4ComponentName = {
151   Mtftp4ComponentNameGetDriverName,
152   Mtftp4ComponentNameGetControllerName,
153   "eng"
154 };
155 
156 ///
157 /// EFI Component Name 2 Protocol
158 ///
159 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gMtftp4ComponentName2 = {
160   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Mtftp4ComponentNameGetDriverName,
161   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Mtftp4ComponentNameGetControllerName,
162   "en"
163 };
164 
165 
166 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mMtftp4DriverNameTable[] = {
167   {
168     "eng;en",
169     L"MTFTP4 Network Service"
170   },
171   {
172     NULL,
173     NULL
174   }
175 };
176 
177 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gMtftp4ControllerNameTable = NULL;
178 
179 /**
180   Retrieves a Unicode string that is the user readable name of the driver.
181 
182   This function retrieves the user readable name of a driver in the form of a
183   Unicode string. If the driver specified by This has a user readable name in
184   the language specified by Language, then a pointer to the driver name is
185   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
186   by This does not support the language specified by Language,
187   then EFI_UNSUPPORTED is returned.
188 
189   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
190                                 EFI_COMPONENT_NAME_PROTOCOL instance.
191 
192   @param[in]  Language          A pointer to a Null-terminated ASCII string
193                                 array indicating the language. This is the
194                                 language of the driver name that the caller is
195                                 requesting, and it must match one of the
196                                 languages specified in SupportedLanguages. The
197                                 number of languages supported by a driver is up
198                                 to the driver writer. Language is specified
199                                 in RFC 4646 or ISO 639-2 language code format.
200 
201   @param[out]  DriverName       A pointer to the Unicode string to return.
202                                 This Unicode string is the name of the
203                                 driver specified by This in the language
204                                 specified by Language.
205 
206   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
207                                 This and the language specified by Language was
208                                 returned in DriverName.
209 
210   @retval EFI_INVALID_PARAMETER Language is NULL.
211 
212   @retval EFI_INVALID_PARAMETER DriverName is NULL.
213 
214   @retval EFI_UNSUPPORTED       The driver specified by This does not support
215                                 the language specified by Language.
216 
217 **/
218 EFI_STATUS
219 EFIAPI
Mtftp4ComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)220 Mtftp4ComponentNameGetDriverName (
221   IN     EFI_COMPONENT_NAME_PROTOCOL  *This,
222   IN     CHAR8                        *Language,
223      OUT CHAR16                       **DriverName
224   )
225 {
226   return LookupUnicodeString2 (
227            Language,
228            This->SupportedLanguages,
229            mMtftp4DriverNameTable,
230            DriverName,
231            (BOOLEAN)(This == &gMtftp4ComponentName)
232            );
233 }
234 
235 /**
236   Update the component name for the Mtftp4 child handle.
237 
238   @param  Mtftp4[in]                A pointer to the EFI_MTFTP4_PROTOCOL.
239 
240 
241   @retval EFI_SUCCESS               Update the ControllerNameTable of this instance successfully.
242   @retval EFI_INVALID_PARAMETER     The input parameter is invalid.
243 
244 **/
245 EFI_STATUS
UpdateName(IN EFI_MTFTP4_PROTOCOL * Mtftp4)246 UpdateName (
247   IN   EFI_MTFTP4_PROTOCOL             *Mtftp4
248   )
249 {
250   EFI_STATUS                       Status;
251   CHAR16                           HandleName[80];
252   EFI_MTFTP4_MODE_DATA             ModeData;
253 
254   if (Mtftp4 == NULL) {
255     return EFI_INVALID_PARAMETER;
256   }
257 
258   //
259   // Format the child name into the string buffer as:
260   // MTFTPv4 (ServerIp=192.168.1.10, ServerPort=69)
261   //
262   Status = Mtftp4->GetModeData (Mtftp4, &ModeData);
263   if (EFI_ERROR (Status)) {
264     return Status;
265   }
266 
267   UnicodeSPrint (HandleName, sizeof (HandleName),
268     L"MTFTPv4 (ServerIp=%d.%d.%d.%d, ServerPort=%d)",
269     ModeData.ConfigData.ServerIp.Addr[0],
270     ModeData.ConfigData.ServerIp.Addr[1],
271     ModeData.ConfigData.ServerIp.Addr[2],
272     ModeData.ConfigData.ServerIp.Addr[3],
273     ModeData.ConfigData.InitialServerPort
274     );
275 
276   if (gMtftp4ControllerNameTable != NULL) {
277     FreeUnicodeStringTable (gMtftp4ControllerNameTable);
278     gMtftp4ControllerNameTable = NULL;
279   }
280 
281   Status = AddUnicodeString2 (
282              "eng",
283              gMtftp4ComponentName.SupportedLanguages,
284              &gMtftp4ControllerNameTable,
285              HandleName,
286              TRUE
287              );
288   if (EFI_ERROR (Status)) {
289     return Status;
290   }
291 
292   return AddUnicodeString2 (
293            "en",
294            gMtftp4ComponentName2.SupportedLanguages,
295            &gMtftp4ControllerNameTable,
296            HandleName,
297            FALSE
298            );
299 }
300 
301 /**
302   Retrieves a Unicode string that is the user readable name of the controller
303   that is being managed by a driver.
304 
305   This function retrieves the user readable name of the controller specified by
306   ControllerHandle and ChildHandle in the form of a Unicode string. If the
307   driver specified by This has a user readable name in the language specified by
308   Language, then a pointer to the controller name is returned in ControllerName,
309   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
310   managing the controller specified by ControllerHandle and ChildHandle,
311   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
312   support the language specified by Language, then EFI_UNSUPPORTED is returned.
313 
314   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
315                                 EFI_COMPONENT_NAME_PROTOCOL instance.
316 
317   @param[in]  ControllerHandle  The handle of a controller that the driver
318                                 specified by This is managing.  This handle
319                                 specifies the controller whose name is to be
320                                 returned.
321 
322   @param[in]  ChildHandle       The handle of the child controller to retrieve
323                                 the name of.  This is an optional parameter that
324                                 may be NULL.  It will be NULL for device
325                                 drivers.  It will also be NULL for a bus drivers
326                                 that wish to retrieve the name of the bus
327                                 controller.  It will not be NULL for a bus
328                                 driver that wishes to retrieve the name of a
329                                 child controller.
330 
331   @param[in]  Language          A pointer to a Null-terminated ASCII string
332                                 array indicating the language.  This is the
333                                 language of the driver name that the caller is
334                                 requesting, and it must match one of the
335                                 languages specified in SupportedLanguages. The
336                                 number of languages supported by a driver is up
337                                 to the driver writer. Language is specified in
338                                 RFC 4646 or ISO 639-2 language code format.
339 
340   @param[out]  ControllerName   A pointer to the Unicode string to return.
341                                 This Unicode string is the name of the
342                                 controller specified by ControllerHandle and
343                                 ChildHandle in the language specified by
344                                 Language from the point of view of the driver
345                                 specified by This.
346 
347   @retval EFI_SUCCESS           The Unicode string for the user readable name in
348                                 the language specified by Language for the
349                                 driver specified by This was returned in
350                                 DriverName.
351 
352   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
353 
354   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
355                                 EFI_HANDLE.
356 
357   @retval EFI_INVALID_PARAMETER Language is NULL.
358 
359   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
360 
361   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
362                                 managing the controller specified by
363                                 ControllerHandle and ChildHandle.
364 
365   @retval EFI_UNSUPPORTED       The driver specified by This does not support
366                                 the language specified by Language.
367 
368 **/
369 EFI_STATUS
370 EFIAPI
Mtftp4ComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)371 Mtftp4ComponentNameGetControllerName (
372   IN     EFI_COMPONENT_NAME_PROTOCOL               *This,
373   IN     EFI_HANDLE                                ControllerHandle,
374   IN     EFI_HANDLE                                ChildHandle        OPTIONAL,
375   IN     CHAR8                                     *Language,
376      OUT CHAR16                                    **ControllerName
377   )
378 {
379   EFI_STATUS                    Status;
380   EFI_MTFTP4_PROTOCOL           *Mtftp4;
381 
382   //
383   // Only provide names for child handles.
384   //
385   if (ChildHandle == NULL) {
386     return EFI_UNSUPPORTED;
387   }
388 
389   //
390   // Make sure this driver produced ChildHandle
391   //
392   Status = EfiTestChildHandle (
393              ControllerHandle,
394              ChildHandle,
395              &gEfiUdp4ProtocolGuid
396              );
397   if (EFI_ERROR (Status)) {
398     return Status;
399   }
400 
401   //
402   // Retrieve an instance of a produced protocol from ChildHandle
403   //
404   Status = gBS->OpenProtocol (
405                   ChildHandle,
406                   &gEfiMtftp4ProtocolGuid,
407                   (VOID **)&Mtftp4,
408                   NULL,
409                   NULL,
410                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
411                   );
412   if (EFI_ERROR (Status)) {
413     return Status;
414   }
415 
416   //
417   // Update the component name for this child handle.
418   //
419   Status = UpdateName (Mtftp4);
420   if (EFI_ERROR (Status)) {
421     return Status;
422   }
423 
424   return LookupUnicodeString2 (
425            Language,
426            This->SupportedLanguages,
427            gMtftp4ControllerNameTable,
428            ControllerName,
429            (BOOLEAN)(This == &gMtftp4ComponentName)
430            );
431 }
432