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4c5a5e0c | 1 | /** @file\r |
2 | UEFI Component Name(2) protocol implementation for iSCSI.\r | |
3 | \r | |
216f7970 | 4 | Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>\r |
4c5a5e0c | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "IScsiImpl.h"\r | |
16 | \r | |
17 | //\r | |
18 | // EFI Component Name Protocol\r | |
19 | //\r | |
20 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gIScsiComponentName = {\r | |
21 | IScsiComponentNameGetDriverName,\r | |
22 | IScsiComponentNameGetControllerName,\r | |
23 | "eng"\r | |
24 | };\r | |
25 | \r | |
26 | //\r | |
27 | // EFI Component Name 2 Protocol\r | |
28 | //\r | |
29 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gIScsiComponentName2 = {\r | |
30 | (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) IScsiComponentNameGetDriverName,\r | |
31 | (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) IScsiComponentNameGetControllerName,\r | |
32 | "en"\r | |
33 | };\r | |
34 | \r | |
35 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mIScsiDriverNameTable[] = {\r | |
36 | {\r | |
37 | "eng;en",\r | |
38 | L"iSCSI Driver"\r | |
39 | },\r | |
40 | {\r | |
41 | NULL,\r | |
42 | NULL\r | |
43 | }\r | |
44 | };\r | |
45 | \r | |
216f7970 | 46 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gIScsiControllerNameTable = NULL;\r |
47 | \r | |
4c5a5e0c | 48 | /**\r |
49 | Retrieves a Unicode string that is the user readable name of the driver.\r | |
50 | \r | |
51 | This function retrieves the user readable name of a driver in the form of a\r | |
52 | Unicode string. If the driver specified by This has a user readable name in\r | |
53 | the language specified by Language, then a pointer to the driver name is\r | |
54 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r | |
55 | by This does not support the language specified by Language,\r | |
56 | then EFI_UNSUPPORTED is returned.\r | |
57 | \r | |
58 | @param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
59 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
60 | \r | |
61 | @param[in] Language A pointer to a Null-terminated ASCII string\r | |
62 | array indicating the language. This is the\r | |
63 | language of the driver name that the caller is\r | |
64 | requesting, and it must match one of the\r | |
65 | languages specified in SupportedLanguages. The\r | |
66 | number of languages supported by a driver is up\r | |
67 | to the driver writer. Language is specified\r | |
68 | in RFC 4646 or ISO 639-2 language code format.\r | |
69 | \r | |
70 | @param[out] DriverName A pointer to the Unicode string to return.\r | |
71 | This Unicode string is the name of the\r | |
72 | driver specified by This in the language\r | |
73 | specified by Language.\r | |
74 | \r | |
75 | @retval EFI_SUCCESS The Unicode string for the Driver specified by\r | |
76 | This and the language specified by Language was\r | |
77 | returned in DriverName.\r | |
78 | \r | |
79 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
80 | \r | |
81 | @retval EFI_INVALID_PARAMETER DriverName is NULL.\r | |
82 | \r | |
83 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
84 | the language specified by Language.\r | |
85 | \r | |
86 | **/\r | |
87 | EFI_STATUS\r | |
88 | EFIAPI\r | |
89 | IScsiComponentNameGetDriverName (\r | |
90 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
91 | IN CHAR8 *Language,\r | |
92 | OUT CHAR16 **DriverName\r | |
93 | )\r | |
94 | {\r | |
95 | return LookupUnicodeString2 (\r | |
96 | Language,\r | |
97 | This->SupportedLanguages,\r | |
98 | mIScsiDriverNameTable,\r | |
99 | DriverName,\r | |
100 | (BOOLEAN) (This == &gIScsiComponentName)\r | |
101 | );\r | |
102 | }\r | |
103 | \r | |
216f7970 | 104 | /**\r |
105 | Update the component name for the iSCSI NIC handle.\r | |
106 | \r | |
107 | @param[in] Controller The handle of the NIC controller.\r | |
108 | @param[in] Ipv6Flag TRUE if IP6 network stack is used.\r | |
109 | \r | |
110 | @retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.\r | |
111 | @retval EFI_INVALID_PARAMETER The input parameter is invalid.\r | |
112 | @retval EFI_UNSUPPORTED Can't get the corresponding NIC info from the Controller handle.\r | |
113 | \r | |
114 | **/\r | |
115 | EFI_STATUS\r | |
116 | UpdateName (\r | |
117 | IN EFI_HANDLE Controller,\r | |
118 | IN BOOLEAN Ipv6Flag\r | |
119 | )\r | |
120 | {\r | |
121 | EFI_STATUS Status;\r | |
122 | EFI_MAC_ADDRESS MacAddr;\r | |
123 | UINTN HwAddressSize;\r | |
124 | UINT16 VlanId;\r | |
125 | ISCSI_NIC_INFO *ThisNic;\r | |
126 | ISCSI_NIC_INFO *NicInfo;\r | |
127 | LIST_ENTRY *Entry;\r | |
128 | CHAR16 HandleName[80];\r | |
129 | \r | |
130 | //\r | |
131 | // Get MAC address of this network device.\r | |
132 | //\r | |
133 | Status = NetLibGetMacAddress (Controller, &MacAddr, &HwAddressSize);\r | |
134 | if (EFI_ERROR (Status)) {\r | |
135 | return Status;\r | |
136 | }\r | |
137 | \r | |
138 | //\r | |
139 | // Get VLAN ID of this network device.\r | |
140 | //\r | |
141 | VlanId = NetLibGetVlanId (Controller);\r | |
142 | \r | |
143 | //\r | |
144 | // Check whether the NIC information exists.\r | |
145 | //\r | |
146 | ThisNic = NULL;\r | |
147 | \r | |
148 | NET_LIST_FOR_EACH (Entry, &mPrivate->NicInfoList) {\r | |
149 | NicInfo = NET_LIST_USER_STRUCT (Entry, ISCSI_NIC_INFO, Link);\r | |
150 | if (NicInfo->HwAddressSize == HwAddressSize &&\r | |
151 | CompareMem (&NicInfo->PermanentAddress, MacAddr.Addr, HwAddressSize) == 0 &&\r | |
152 | NicInfo->VlanId == VlanId) {\r | |
153 | \r | |
154 | ThisNic = NicInfo;\r | |
155 | break;\r | |
156 | }\r | |
157 | }\r | |
158 | \r | |
159 | if (ThisNic == NULL) {\r | |
160 | return EFI_UNSUPPORTED;\r | |
161 | }\r | |
162 | \r | |
163 | UnicodeSPrint (\r | |
164 | HandleName,\r | |
165 | sizeof (HandleName),\r | |
166 | L"iSCSI (%s, NicIndex=%d)",\r | |
167 | Ipv6Flag ? L"IPv6" : L"IPv4",\r | |
168 | ThisNic->NicIndex\r | |
169 | );\r | |
170 | \r | |
171 | if (gIScsiControllerNameTable != NULL) {\r | |
172 | FreeUnicodeStringTable (gIScsiControllerNameTable);\r | |
173 | gIScsiControllerNameTable = NULL;\r | |
174 | }\r | |
175 | \r | |
176 | Status = AddUnicodeString2 (\r | |
177 | "eng",\r | |
178 | gIScsiComponentName.SupportedLanguages,\r | |
179 | &gIScsiControllerNameTable,\r | |
180 | HandleName,\r | |
181 | TRUE\r | |
182 | );\r | |
183 | if (EFI_ERROR (Status)) {\r | |
184 | return Status;\r | |
185 | }\r | |
186 | \r | |
187 | return AddUnicodeString2 (\r | |
188 | "en",\r | |
189 | gIScsiComponentName2.SupportedLanguages,\r | |
190 | &gIScsiControllerNameTable,\r | |
191 | HandleName,\r | |
192 | FALSE\r | |
193 | );\r | |
194 | }\r | |
195 | \r | |
196 | \r | |
4c5a5e0c | 197 | /**\r |
198 | Retrieves a Unicode string that is the user readable name of the controller\r | |
199 | that is being managed by a driver.\r | |
200 | \r | |
201 | This function retrieves the user readable name of the controller specified by\r | |
202 | ControllerHandle and ChildHandle in the form of a Unicode string. If the\r | |
203 | driver specified by This has a user readable name in the language specified by\r | |
204 | Language, then a pointer to the controller name is returned in ControllerName,\r | |
205 | and EFI_SUCCESS is returned. If the driver specified by This is not currently\r | |
206 | managing the controller specified by ControllerHandle and ChildHandle,\r | |
207 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r | |
208 | support the language specified by Language, then EFI_UNSUPPORTED is returned.\r | |
209 | \r | |
210 | @param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
211 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
212 | \r | |
213 | @param[in] ControllerHandle The handle of a controller that the driver\r | |
214 | specified by This is managing. This handle\r | |
215 | specifies the controller whose name is to be\r | |
216 | returned.\r | |
217 | \r | |
218 | @param[in] ChildHandle The handle of the child controller to retrieve\r | |
219 | the name of. This is an optional parameter that\r | |
220 | may be NULL. It will be NULL for device\r | |
221 | drivers. It will also be NULL for a bus drivers\r | |
222 | that wish to retrieve the name of the bus\r | |
223 | controller. It will not be NULL for a bus\r | |
224 | driver that wishes to retrieve the name of a\r | |
225 | child controller.\r | |
226 | \r | |
227 | @param[in] Language A pointer to a Null-terminated ASCII string\r | |
228 | array indicating the language. This is the\r | |
229 | language of the driver name that the caller is\r | |
230 | requesting, and it must match one of the\r | |
231 | languages specified in SupportedLanguages. The\r | |
232 | number of languages supported by a driver is up\r | |
233 | to the driver writer. Language is specified in\r | |
234 | RFC 4646 or ISO 639-2 language code format.\r | |
235 | \r | |
236 | @param[out] ControllerName A pointer to the Unicode string to return.\r | |
237 | This Unicode string is the name of the\r | |
238 | controller specified by ControllerHandle and\r | |
239 | ChildHandle in the language specified by\r | |
240 | Language, from the point of view of the driver\r | |
241 | specified by This.\r | |
242 | \r | |
243 | @retval EFI_SUCCESS The Unicode string for the user readable name in\r | |
244 | the language specified by Language for the\r | |
245 | driver specified by This was returned in\r | |
246 | DriverName.\r | |
247 | \r | |
248 | @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r | |
249 | \r | |
250 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL, and it is not a valid\r | |
251 | EFI_HANDLE.\r | |
252 | \r | |
253 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
254 | \r | |
255 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r | |
256 | \r | |
257 | @retval EFI_UNSUPPORTED The driver specified by This is not currently\r | |
258 | managing the controller specified by\r | |
259 | ControllerHandle and ChildHandle.\r | |
260 | \r | |
261 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
262 | the language specified by Language.\r | |
263 | \r | |
264 | **/\r | |
265 | EFI_STATUS\r | |
266 | EFIAPI\r | |
267 | IScsiComponentNameGetControllerName (\r | |
268 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
269 | IN EFI_HANDLE ControllerHandle,\r | |
270 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
271 | IN CHAR8 *Language,\r | |
272 | OUT CHAR16 **ControllerName\r | |
273 | )\r | |
274 | {\r | |
216f7970 | 275 | EFI_HANDLE IScsiController;\r |
276 | BOOLEAN Ipv6Flag;\r | |
277 | EFI_STATUS Status;\r | |
278 | EFI_GUID *IScsiPrivateGuid;\r | |
279 | ISCSI_PRIVATE_PROTOCOL *IScsiIdentifier;\r | |
280 | \r | |
281 | //\r | |
282 | // Get the handle of the controller we are controling.\r | |
283 | //\r | |
284 | IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp4ProtocolGuid);\r | |
285 | if (IScsiController != NULL) {\r | |
286 | IScsiPrivateGuid = &gIScsiV4PrivateGuid;\r | |
287 | Ipv6Flag = FALSE;\r | |
288 | } else {\r | |
289 | IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp6ProtocolGuid);\r | |
290 | if (IScsiController != NULL) {\r | |
291 | IScsiPrivateGuid = &gIScsiV6PrivateGuid;\r | |
292 | Ipv6Flag = TRUE;\r | |
293 | } else {\r | |
294 | return EFI_UNSUPPORTED;\r | |
295 | }\r | |
296 | }\r | |
297 | \r | |
298 | // \r | |
299 | // Retrieve an instance of a produced protocol from IScsiController \r | |
300 | // \r | |
301 | Status = gBS->OpenProtocol (\r | |
302 | IScsiController,\r | |
303 | IScsiPrivateGuid,\r | |
304 | (VOID **) &IScsiIdentifier,\r | |
305 | NULL,\r | |
306 | NULL,\r | |
307 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
308 | );\r | |
309 | if (EFI_ERROR (Status)) {\r | |
310 | return Status;\r | |
311 | }\r | |
312 | \r | |
313 | Status = UpdateName(IScsiController, Ipv6Flag);\r | |
314 | if (EFI_ERROR(Status)) {\r | |
315 | return Status;\r | |
316 | }\r | |
317 | \r | |
318 | return LookupUnicodeString2 (\r | |
319 | Language,\r | |
320 | This->SupportedLanguages,\r | |
321 | gIScsiControllerNameTable,\r | |
322 | ControllerName,\r | |
323 | (BOOLEAN)(This == &gIScsiComponentName)\r | |
324 | );\r | |
4c5a5e0c | 325 | }\r |