1 /** @file
2   UEFI Component Name(2) protocol implementation for DiskIo driver.
3 
4 Copyright (c) 2006 - 2011, 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
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 "DiskIo.h"
16 
17 //
18 // EFI Component Name Protocol
19 //
20 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gDiskIoComponentName = {
21   DiskIoComponentNameGetDriverName,
22   DiskIoComponentNameGetControllerName,
23   "eng"
24 };
25 
26 //
27 // EFI Component Name 2 Protocol
28 //
29 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gDiskIoComponentName2 = {
30   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) DiskIoComponentNameGetDriverName,
31   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) DiskIoComponentNameGetControllerName,
32   "en"
33 };
34 
35 //
36 // Driver name table for DiskIo module.
37 // It is shared by the implementation of ComponentName & ComponentName2 Protocol.
38 //
39 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mDiskIoDriverNameTable[] = {
40   {
41     "eng;en",
42     (CHAR16 *)L"Generic Disk I/O Driver"
43   },
44   {
45     NULL,
46     NULL
47   }
48 };
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
DiskIoComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)93 DiskIoComponentNameGetDriverName (
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            mDiskIoDriverNameTable,
103            DriverName,
104            (BOOLEAN)(This == &gDiskIoComponentName)
105            );
106 }
107 
108 
109 
110 /**
111   Retrieves a Unicode string that is the user readable name of the controller
112   that is being managed by a driver.
113 
114   This function retrieves the user readable name of the controller specified by
115   ControllerHandle and ChildHandle in the form of a Unicode string. If the
116   driver specified by This has a user readable name in the language specified by
117   Language, then a pointer to the controller name is returned in ControllerName,
118   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
119   managing the controller specified by ControllerHandle and ChildHandle,
120   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
121   support the language specified by Language, then EFI_UNSUPPORTED is returned.
122 
123   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
124                                 EFI_COMPONENT_NAME_PROTOCOL instance.
125 
126   @param  ControllerHandle[in]  The handle of a controller that the driver
127                                 specified by This is managing.  This handle
128                                 specifies the controller whose name is to be
129                                 returned.
130 
131   @param  ChildHandle[in]       The handle of the child controller to retrieve
132                                 the name of.  This is an optional parameter that
133                                 may be NULL.  It will be NULL for device
134                                 drivers.  It will also be NULL for a bus drivers
135                                 that wish to retrieve the name of the bus
136                                 controller.  It will not be NULL for a bus
137                                 driver that wishes to retrieve the name of a
138                                 child controller.
139 
140   @param  Language[in]          A pointer to a Null-terminated ASCII string
141                                 array indicating the language.  This is the
142                                 language of the driver name that the caller is
143                                 requesting, and it must match one of the
144                                 languages specified in SupportedLanguages. The
145                                 number of languages supported by a driver is up
146                                 to the driver writer. Language is specified in
147                                 RFC 4646 or ISO 639-2 language code format.
148 
149   @param  ControllerName[out]   A pointer to the Unicode string to return.
150                                 This Unicode string is the name of the
151                                 controller specified by ControllerHandle and
152                                 ChildHandle in the language specified by
153                                 Language from the point of view of the driver
154                                 specified by This.
155 
156   @retval EFI_SUCCESS           The Unicode string for the user readable name in
157                                 the language specified by Language for the
158                                 driver specified by This was returned in
159                                 DriverName.
160 
161   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
162 
163   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
164                                 EFI_HANDLE.
165 
166   @retval EFI_INVALID_PARAMETER Language is NULL.
167 
168   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
169 
170   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
171                                 managing the controller specified by
172                                 ControllerHandle and ChildHandle.
173 
174   @retval EFI_UNSUPPORTED       The driver specified by This does not support
175                                 the language specified by Language.
176 
177 **/
178 EFI_STATUS
179 EFIAPI
DiskIoComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)180 DiskIoComponentNameGetControllerName (
181   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
182   IN  EFI_HANDLE                                      ControllerHandle,
183   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
184   IN  CHAR8                                           *Language,
185   OUT CHAR16                                          **ControllerName
186   )
187 {
188   return EFI_UNSUPPORTED;
189 }
190