1 /** @file
2   UEFI Component Name(2) protocol implementation for FvSimpleFileSystem driver.
3 
4 Copyright (c) 2014, ARM Limited. All rights reserved.
5 Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
6 
7 This program and the accompanying materials
8 are licensed and made available under the terms and conditions of the BSD License
9 which accompanies this distribution.  The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php
11 
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 
15 **/
16 
17 #include "FvSimpleFileSystemInternal.h"
18 
19 //
20 // EFI Component Name Protocol
21 //
22 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gFvSimpleFileSystemComponentName = {
23   FvSimpleFileSystemComponentNameGetDriverName,
24   FvSimpleFileSystemComponentNameGetControllerName,
25   "eng"
26 };
27 
28 //
29 // EFI Component Name 2 Protocol
30 //
31 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gFvSimpleFileSystemComponentName2 = {
32   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) FvSimpleFileSystemComponentNameGetDriverName,
33   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) FvSimpleFileSystemComponentNameGetControllerName,
34   "en"
35 };
36 
37 //
38 // Driver name table for FvSimpleFileSystem module.
39 // It is shared by the implementation of ComponentName & ComponentName2 Protocol.
40 //
41 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mFvSimpleFileSystemDriverNameTable[] = {
42   {
43     "eng;en",
44     (CHAR16 *)L"Fv Simple File System Driver"
45   },
46   {
47     NULL,
48     NULL
49   }
50 };
51 
52 /**
53   Retrieves a Unicode string that is the user readable name of the driver.
54 
55   This function retrieves the user readable name of a driver in the form of a
56   Unicode string. If the driver specified by This has a user readable name in
57   the language specified by Language, then a pointer to the driver name is
58   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
59   by This does not support the language specified by Language,
60   then EFI_UNSUPPORTED is returned.
61 
62   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
63                                 EFI_COMPONENT_NAME_PROTOCOL instance.
64 
65   @param  Language[in]          A pointer to a Null-terminated ASCII string
66                                 array indicating the language. This is the
67                                 language of the driver name that the caller is
68                                 requesting, and it must match one of the
69                                 languages specified in SupportedLanguages. The
70                                 number of languages supported by a driver is up
71                                 to the driver writer. Language is specified
72                                 in RFC 4646 or ISO 639-2 language code format.
73 
74   @param  DriverName[out]       A pointer to the Unicode string to return.
75                                 This Unicode string is the name of the
76                                 driver specified by This in the language
77                                 specified by Language.
78 
79   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
80                                 This and the language specified by Language was
81                                 returned in DriverName.
82 
83   @retval EFI_INVALID_PARAMETER Language is NULL.
84 
85   @retval EFI_INVALID_PARAMETER DriverName is NULL.
86 
87   @retval EFI_UNSUPPORTED       The driver specified by This does not support
88                                 the language specified by Language.
89 
90 **/
91 EFI_STATUS
92 EFIAPI
FvSimpleFileSystemComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)93 FvSimpleFileSystemComponentNameGetDriverName (
94   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
95   IN  CHAR8                        *Language,
96   OUT CHAR16                       **DriverName
97   )
98 {
99   return LookupUnicodeString2 (
100            Language,
101            This->SupportedLanguages,
102            mFvSimpleFileSystemDriverNameTable,
103            DriverName,
104            (BOOLEAN)(This == &gFvSimpleFileSystemComponentName)
105            );
106 }
107 
108 /**
109   Retrieves a Unicode string that is the user readable name of the controller
110   that is being managed by a driver.
111 
112   This function retrieves the user readable name of the controller specified by
113   ControllerHandle and ChildHandle in the form of a Unicode string. If the
114   driver specified by This has a user readable name in the language specified by
115   Language, then a pointer to the controller name is returned in ControllerName,
116   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
117   managing the controller specified by ControllerHandle and ChildHandle,
118   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
119   support the language specified by Language, then EFI_UNSUPPORTED is returned.
120 
121   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
122                                 EFI_COMPONENT_NAME_PROTOCOL instance.
123 
124   @param  ControllerHandle[in]  The handle of a controller that the driver
125                                 specified by This is managing.  This handle
126                                 specifies the controller whose name is to be
127                                 returned.
128 
129   @param  ChildHandle[in]       The handle of the child controller to retrieve
130                                 the name of.  This is an optional parameter that
131                                 may be NULL.  It will be NULL for device
132                                 drivers.  It will also be NULL for a bus drivers
133                                 that wish to retrieve the name of the bus
134                                 controller.  It will not be NULL for a bus
135                                 driver that wishes to retrieve the name of a
136                                 child controller.
137 
138   @param  Language[in]          A pointer to a Null-terminated ASCII string
139                                 array indicating the language.  This is the
140                                 language of the driver name that the caller is
141                                 requesting, and it must match one of the
142                                 languages specified in SupportedLanguages. The
143                                 number of languages supported by a driver is up
144                                 to the driver writer. Language is specified in
145                                 RFC 4646 or ISO 639-2 language code format.
146 
147   @param  ControllerName[out]   A pointer to the Unicode string to return.
148                                 This Unicode string is the name of the
149                                 controller specified by ControllerHandle and
150                                 ChildHandle in the language specified by
151                                 Language from the point of view of the driver
152                                 specified by This.
153 
154   @retval EFI_SUCCESS           The Unicode string for the user readable name in
155                                 the language specified by Language for the
156                                 driver specified by This was returned in
157                                 DriverName.
158 
159   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
160 
161   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
162                                 EFI_HANDLE.
163 
164   @retval EFI_INVALID_PARAMETER Language is NULL.
165 
166   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
167 
168   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
169                                 managing the controller specified by
170                                 ControllerHandle and ChildHandle.
171 
172   @retval EFI_UNSUPPORTED       The driver specified by This does not support
173                                 the language specified by Language.
174 
175 **/
176 EFI_STATUS
177 EFIAPI
FvSimpleFileSystemComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)178 FvSimpleFileSystemComponentNameGetControllerName (
179   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
180   IN  EFI_HANDLE                                      ControllerHandle,
181   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
182   IN  CHAR8                                           *Language,
183   OUT CHAR16                                          **ControllerName
184   )
185 {
186   return EFI_UNSUPPORTED;
187 }
188