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1 /** @file
2 
3  Copyright (c) 2010, Apple, Inc. All rights reserved.<BR>
4 
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
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 Module Name:
14 
15   ComponentName.c
16 
17 Abstract:
18 
19 -**/
20 
21 #include "EmuSnpDxe.h"
22 
23 //
24 // EFI Component Name Functions
25 //
26 /**
27   Retrieves a Unicode string that is the user readable name of the driver.
28 
29   This function retrieves the user readable name of a driver in the form of a
30   Unicode string. If the driver specified by This has a user readable name in
31   the language specified by Language, then a pointer to the driver name is
32   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
33   by This does not support the language specified by Language,
34   then EFI_UNSUPPORTED is returned.
35 
36   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
37                                 EFI_COMPONENT_NAME_PROTOCOL instance.
38 
39   @param  Language[in]          A pointer to a Null-terminated ASCII string
40                                 array indicating the language. This is the
41                                 language of the driver name that the caller is
42                                 requesting, and it must match one of the
43                                 languages specified in SupportedLanguages. The
44                                 number of languages supported by a driver is up
45                                 to the driver writer. Language is specified
46                                 in RFC 4646 or ISO 639-2 language code format.
47 
48   @param  DriverName[out]       A pointer to the Unicode string to return.
49                                 This Unicode string is the name of the
50                                 driver specified by This in the language
51                                 specified by Language.
52 
53   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
54                                 This and the language specified by Language was
55                                 returned in DriverName.
56 
57   @retval EFI_INVALID_PARAMETER Language is NULL.
58 
59   @retval EFI_INVALID_PARAMETER DriverName is NULL.
60 
61   @retval EFI_UNSUPPORTED       The driver specified by This does not support
62                                 the language specified by Language.
63 
64 **/
65 EFI_STATUS
66 EFIAPI
67 EmuSnpDriverComponentNameGetDriverName (
68   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
69   IN  CHAR8                        *Language,
70   OUT CHAR16                       **DriverName
71   );
72 
73 
74 /**
75   Retrieves a Unicode string that is the user readable name of the controller
76   that is being managed by a driver.
77 
78   This function retrieves the user readable name of the controller specified by
79   ControllerHandle and ChildHandle in the form of a Unicode string. If the
80   driver specified by This has a user readable name in the language specified by
81   Language, then a pointer to the controller name is returned in ControllerName,
82   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
83   managing the controller specified by ControllerHandle and ChildHandle,
84   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
85   support the language specified by Language, then EFI_UNSUPPORTED is returned.
86 
87   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
88                                 EFI_COMPONENT_NAME_PROTOCOL instance.
89 
90   @param  ControllerHandle[in]  The handle of a controller that the driver
91                                 specified by This is managing.  This handle
92                                 specifies the controller whose name is to be
93                                 returned.
94 
95   @param  ChildHandle[in]       The handle of the child controller to retrieve
96                                 the name of.  This is an optional parameter that
97                                 may be NULL.  It will be NULL for device
98                                 drivers.  It will also be NULL for a bus drivers
99                                 that wish to retrieve the name of the bus
100                                 controller.  It will not be NULL for a bus
101                                 driver that wishes to retrieve the name of a
102                                 child controller.
103 
104   @param  Language[in]          A pointer to a Null-terminated ASCII string
105                                 array indicating the language.  This is the
106                                 language of the driver name that the caller is
107                                 requesting, and it must match one of the
108                                 languages specified in SupportedLanguages. The
109                                 number of languages supported by a driver is up
110                                 to the driver writer. Language is specified in
111                                 RFC 4646 or ISO 639-2 language code format.
112 
113   @param  ControllerName[out]   A pointer to the Unicode string to return.
114                                 This Unicode string is the name of the
115                                 controller specified by ControllerHandle and
116                                 ChildHandle in the language specified by
117                                 Language from the point of view of the driver
118                                 specified by This.
119 
120   @retval EFI_SUCCESS           The Unicode string for the user readable name in
121                                 the language specified by Language for the
122                                 driver specified by This was returned in
123                                 DriverName.
124 
125   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
126 
127   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
128                                 EFI_HANDLE.
129 
130   @retval EFI_INVALID_PARAMETER Language is NULL.
131 
132   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
133 
134   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
135                                 managing the controller specified by
136                                 ControllerHandle and ChildHandle.
137 
138   @retval EFI_UNSUPPORTED       The driver specified by This does not support
139                                 the language specified by Language.
140 
141 **/
142 EFI_STATUS
143 EFIAPI
144 EmuSnpDriverComponentNameGetControllerName (
145   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
146   IN  EFI_HANDLE                                      ControllerHandle,
147   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
148   IN  CHAR8                                           *Language,
149   OUT CHAR16                                          **ControllerName
150   );
151 
152 
153 //
154 // EFI Component Name Protocol
155 //
156 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gEmuSnpDriverComponentName = {
157   EmuSnpDriverComponentNameGetDriverName,
158   EmuSnpDriverComponentNameGetControllerName,
159   "eng"
160 };
161 
162 //
163 // EFI Component Name 2 Protocol
164 //
165 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gEmuSnpDriverComponentName2 = {
166   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) EmuSnpDriverComponentNameGetDriverName,
167   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) EmuSnpDriverComponentNameGetControllerName,
168   "en"
169 };
170 
171 
172 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mEmuSnpDriverNameTable[] = {
173   {
174     "eng;en",
175     L"Emu SNP Driver"
176   },
177   {
178     NULL,
179     NULL
180   }
181 };
182 
183 /**
184   Retrieves a Unicode string that is the user readable name of the driver.
185 
186   This function retrieves the user readable name of a driver in the form of a
187   Unicode string. If the driver specified by This has a user readable name in
188   the language specified by Language, then a pointer to the driver name is
189   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
190   by This does not support the language specified by Language,
191   then EFI_UNSUPPORTED is returned.
192 
193   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
194                                 EFI_COMPONENT_NAME_PROTOCOL instance.
195 
196   @param  Language[in]          A pointer to a Null-terminated ASCII string
197                                 array indicating the language. This is the
198                                 language of the driver name that the caller is
199                                 requesting, and it must match one of the
200                                 languages specified in SupportedLanguages. The
201                                 number of languages supported by a driver is up
202                                 to the driver writer. Language is specified
203                                 in RFC 4646 or ISO 639-2 language code format.
204 
205   @param  DriverName[out]       A pointer to the Unicode string to return.
206                                 This Unicode string is the name of the
207                                 driver specified by This in the language
208                                 specified by Language.
209 
210   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
211                                 This and the language specified by Language was
212                                 returned in DriverName.
213 
214   @retval EFI_INVALID_PARAMETER Language is NULL.
215 
216   @retval EFI_INVALID_PARAMETER DriverName is NULL.
217 
218   @retval EFI_UNSUPPORTED       The driver specified by This does not support
219                                 the language specified by Language.
220 
221 **/
222 EFI_STATUS
223 EFIAPI
EmuSnpDriverComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)224 EmuSnpDriverComponentNameGetDriverName (
225   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
226   IN  CHAR8                        *Language,
227   OUT CHAR16                       **DriverName
228   )
229 {
230   return LookupUnicodeString2 (
231            Language,
232            This->SupportedLanguages,
233            mEmuSnpDriverNameTable,
234            DriverName,
235            (BOOLEAN)(This == &gEmuSnpDriverComponentName)
236            );
237 }
238 
239 /**
240   Retrieves a Unicode string that is the user readable name of the controller
241   that is being managed by a driver.
242 
243   This function retrieves the user readable name of the controller specified by
244   ControllerHandle and ChildHandle in the form of a Unicode string. If the
245   driver specified by This has a user readable name in the language specified by
246   Language, then a pointer to the controller name is returned in ControllerName,
247   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
248   managing the controller specified by ControllerHandle and ChildHandle,
249   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
250   support the language specified by Language, then EFI_UNSUPPORTED is returned.
251 
252   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
253                                 EFI_COMPONENT_NAME_PROTOCOL instance.
254 
255   @param  ControllerHandle[in]  The handle of a controller that the driver
256                                 specified by This is managing.  This handle
257                                 specifies the controller whose name is to be
258                                 returned.
259 
260   @param  ChildHandle[in]       The handle of the child controller to retrieve
261                                 the name of.  This is an optional parameter that
262                                 may be NULL.  It will be NULL for device
263                                 drivers.  It will also be NULL for a bus drivers
264                                 that wish to retrieve the name of the bus
265                                 controller.  It will not be NULL for a bus
266                                 driver that wishes to retrieve the name of a
267                                 child controller.
268 
269   @param  Language[in]          A pointer to a Null-terminated ASCII string
270                                 array indicating the language.  This is the
271                                 language of the driver name that the caller is
272                                 requesting, and it must match one of the
273                                 languages specified in SupportedLanguages. The
274                                 number of languages supported by a driver is up
275                                 to the driver writer. Language is specified in
276                                 RFC 4646 or ISO 639-2 language code format.
277 
278   @param  ControllerName[out]   A pointer to the Unicode string to return.
279                                 This Unicode string is the name of the
280                                 controller specified by ControllerHandle and
281                                 ChildHandle in the language specified by
282                                 Language from the point of view of the driver
283                                 specified by This.
284 
285   @retval EFI_SUCCESS           The Unicode string for the user readable name in
286                                 the language specified by Language for the
287                                 driver specified by This was returned in
288                                 DriverName.
289 
290   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
291 
292   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
293                                 EFI_HANDLE.
294 
295   @retval EFI_INVALID_PARAMETER Language is NULL.
296 
297   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
298 
299   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
300                                 managing the controller specified by
301                                 ControllerHandle and ChildHandle.
302 
303   @retval EFI_UNSUPPORTED       The driver specified by This does not support
304                                 the language specified by Language.
305 
306 **/
307 EFI_STATUS
308 EFIAPI
EmuSnpDriverComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)309 EmuSnpDriverComponentNameGetControllerName (
310   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
311   IN  EFI_HANDLE                                      ControllerHandle,
312   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
313   IN  CHAR8                                           *Language,
314   OUT CHAR16                                          **ControllerName
315   )
316 {
317   return EFI_UNSUPPORTED;
318 }
319