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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | DriverConfiguration.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | --*/\r | |
19 | \r | |
f0ec738d | 20 | #include "idebus.h"\r |
878ddf1f | 21 | \r |
22 | CHAR16 *OptionString[4] = {\r | |
23 | L"Enable Primary Master (Y/N)? -->",\r | |
24 | L"Enable Primary Slave (Y/N)? -->",\r | |
25 | L"Enable Secondary Master (Y/N)? -->",\r | |
26 | L"Enable Secondary Slave (Y/N)? -->"\r | |
27 | };\r | |
28 | //\r | |
29 | // EFI Driver Configuration Functions\r | |
30 | //\r | |
31 | EFI_STATUS\r | |
32 | IDEBusDriverConfigurationSetOptions (\r | |
33 | IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,\r | |
34 | IN EFI_HANDLE ControllerHandle,\r | |
35 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
36 | IN CHAR8 *Language,\r | |
37 | OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired\r | |
38 | );\r | |
39 | \r | |
40 | EFI_STATUS\r | |
41 | IDEBusDriverConfigurationOptionsValid (\r | |
42 | IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,\r | |
43 | IN EFI_HANDLE ControllerHandle,\r | |
44 | IN EFI_HANDLE ChildHandle OPTIONAL\r | |
45 | );\r | |
46 | \r | |
47 | EFI_STATUS\r | |
48 | IDEBusDriverConfigurationForceDefaults (\r | |
49 | IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,\r | |
50 | IN EFI_HANDLE ControllerHandle,\r | |
51 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
52 | IN UINT32 DefaultType,\r | |
53 | OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired\r | |
54 | );\r | |
55 | \r | |
56 | //\r | |
57 | // EFI Driver Configuration Protocol\r | |
58 | //\r | |
59 | EFI_DRIVER_CONFIGURATION_PROTOCOL gIDEBusDriverConfiguration = {\r | |
60 | IDEBusDriverConfigurationSetOptions,\r | |
61 | IDEBusDriverConfigurationOptionsValid,\r | |
62 | IDEBusDriverConfigurationForceDefaults,\r | |
63 | "eng"\r | |
64 | };\r | |
65 | \r | |
66 | EFI_STATUS\r | |
67 | GetResponse (\r | |
68 | VOID\r | |
69 | )\r | |
70 | /*++\r | |
71 | \r | |
72 | Routine Description:\r | |
73 | \r | |
74 | TODO: Add function description\r | |
75 | \r | |
76 | Arguments:\r | |
77 | \r | |
78 | None\r | |
79 | \r | |
80 | Returns:\r | |
81 | \r | |
82 | EFI_ABORTED - TODO: Add description for return value\r | |
83 | EFI_SUCCESS - TODO: Add description for return value\r | |
84 | EFI_NOT_FOUND - TODO: Add description for return value\r | |
85 | \r | |
86 | --*/\r | |
87 | {\r | |
88 | EFI_STATUS Status;\r | |
89 | EFI_INPUT_KEY Key;\r | |
90 | \r | |
91 | while (TRUE) {\r | |
92 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r | |
93 | if (!EFI_ERROR (Status)) {\r | |
94 | if (Key.ScanCode == SCAN_ESC) {\r | |
95 | return EFI_ABORTED;\r | |
96 | }\r | |
97 | \r | |
98 | switch (Key.UnicodeChar) {\r | |
99 | \r | |
100 | //\r | |
101 | // fall through\r | |
102 | //\r | |
103 | case L'y':\r | |
104 | case L'Y':\r | |
105 | gST->ConOut->OutputString (gST->ConOut, L"Y\n");\r | |
106 | return EFI_SUCCESS;\r | |
107 | \r | |
108 | //\r | |
109 | // fall through\r | |
110 | //\r | |
111 | case L'n':\r | |
112 | case L'N':\r | |
113 | gST->ConOut->OutputString (gST->ConOut, L"N\n");\r | |
114 | return EFI_NOT_FOUND;\r | |
115 | }\r | |
116 | \r | |
117 | }\r | |
118 | }\r | |
119 | }\r | |
120 | \r | |
121 | EFI_STATUS\r | |
122 | IDEBusDriverConfigurationSetOptions (\r | |
123 | IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,\r | |
124 | IN EFI_HANDLE ControllerHandle,\r | |
125 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
126 | IN CHAR8 *Language,\r | |
127 | OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired\r | |
128 | )\r | |
129 | /*++\r | |
130 | \r | |
131 | Routine Description:\r | |
132 | Allows the user to set controller specific options for a controller that a \r | |
133 | driver is currently managing.\r | |
134 | \r | |
135 | Arguments:\r | |
136 | This - A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL \r | |
137 | instance.\r | |
138 | ControllerHandle - The handle of the controller to set options on.\r | |
139 | ChildHandle - The handle of the child controller to set options on. \r | |
140 | This is an optional parameter that may be NULL. \r | |
141 | It will be NULL for device drivers, and for a bus drivers\r | |
142 | that wish to set options for the bus controller. \r | |
143 | It will not be NULL for a bus driver that wishes to set \r | |
144 | options for one of its child controllers.\r | |
145 | Language - A pointer to a three character ISO 639-2 language \r | |
146 | identifier. This is the language of the user interface \r | |
147 | that should be presented to the user, and it must match \r | |
148 | one of the languages specified in SupportedLanguages. \r | |
149 | The number of languages supported by a driver is up to \r | |
150 | the driver writer.\r | |
151 | ActionRequired - A pointer to the action that the calling agent is \r | |
152 | required to perform when this function returns. \r | |
153 | See "Related Definitions" for a list of the actions that\r | |
154 | the calling agent is required to perform prior to \r | |
155 | accessing ControllerHandle again.\r | |
156 | \r | |
157 | Returns:\r | |
158 | EFI_SUCCESS - The driver specified by This successfully set the \r | |
159 | configuration options for the controller specified \r | |
160 | by ControllerHandle..\r | |
161 | EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.\r | |
162 | EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a \r | |
163 | valid EFI_HANDLE.\r | |
164 | EFI_INVALID_PARAMETER - ActionRequired is NULL.\r | |
165 | EFI_UNSUPPORTED - The driver specified by This does not support \r | |
166 | setting configuration options for the controller \r | |
167 | specified by ControllerHandle and ChildHandle.\r | |
168 | EFI_UNSUPPORTED - The driver specified by This does not support the \r | |
169 | language specified by Language.\r | |
170 | EFI_DEVICE_ERROR - A device error occurred while attempt to set the \r | |
171 | configuration options for the controller specified \r | |
172 | by ControllerHandle and ChildHandle.\r | |
173 | EFI_OUT_RESOURCES - There are not enough resources available to set the \r | |
174 | configuration options for the controller specified \r | |
175 | by ControllerHandle and ChildHandle.\r | |
176 | \r | |
177 | --*/\r | |
178 | {\r | |
179 | EFI_STATUS Status;\r | |
180 | UINT8 Value;\r | |
181 | UINT8 NewValue;\r | |
182 | UINTN DataSize;\r | |
183 | UINTN Index;\r | |
184 | UINT32 Attributes;\r | |
185 | \r | |
186 | if (ChildHandle != NULL) {\r | |
187 | return EFI_UNSUPPORTED;\r | |
188 | }\r | |
189 | \r | |
190 | *ActionRequired = EfiDriverConfigurationActionNone;\r | |
191 | \r | |
192 | DataSize = sizeof (Value);\r | |
193 | Status = gRT->GetVariable (\r | |
194 | L"Configuration",\r | |
195 | &gEfiCallerIdGuid,\r | |
196 | &Attributes,\r | |
197 | &DataSize,\r | |
198 | &Value\r | |
199 | );\r | |
200 | \r | |
201 | gST->ConOut->OutputString (gST->ConOut, L"IDE Bus Driver Configuration\n");\r | |
202 | gST->ConOut->OutputString (gST->ConOut, L"===============================\n");\r | |
203 | \r | |
204 | NewValue = 0;\r | |
205 | for (Index = 0; Index < 4; Index++) {\r | |
206 | gST->ConOut->OutputString (gST->ConOut, OptionString[Index]);\r | |
207 | \r | |
208 | Status = GetResponse ();\r | |
209 | if (Status == EFI_ABORTED) {\r | |
210 | return EFI_SUCCESS;\r | |
211 | }\r | |
212 | \r | |
213 | if (!EFI_ERROR (Status)) {\r | |
214 | NewValue |= (UINT8) (1 << Index);\r | |
215 | }\r | |
216 | }\r | |
217 | \r | |
218 | if (EFI_ERROR (Status) || (NewValue != Value)) {\r | |
219 | gRT->SetVariable (\r | |
220 | L"Configuration",\r | |
221 | &gEfiCallerIdGuid,\r | |
222 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
223 | sizeof (NewValue),\r | |
224 | &NewValue\r | |
225 | );\r | |
226 | \r | |
227 | *ActionRequired = EfiDriverConfigurationActionRestartController;\r | |
228 | } else {\r | |
229 | *ActionRequired = EfiDriverConfigurationActionNone;\r | |
230 | }\r | |
231 | \r | |
232 | return EFI_SUCCESS;\r | |
233 | }\r | |
234 | \r | |
235 | EFI_STATUS\r | |
236 | IDEBusDriverConfigurationOptionsValid (\r | |
237 | IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,\r | |
238 | IN EFI_HANDLE ControllerHandle,\r | |
239 | IN EFI_HANDLE ChildHandle OPTIONAL\r | |
240 | )\r | |
241 | /*++\r | |
242 | \r | |
243 | Routine Description:\r | |
244 | Tests to see if a controller's current configuration options are valid.\r | |
245 | \r | |
246 | Arguments:\r | |
247 | This - A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL \r | |
248 | instance.\r | |
249 | ControllerHandle - The handle of the controller to test if it's current \r | |
250 | configuration options are valid.\r | |
251 | ChildHandle - The handle of the child controller to test if it's \r | |
252 | current\r | |
253 | configuration options are valid. This is an optional \r | |
254 | parameter that may be NULL. It will be NULL for device \r | |
255 | drivers. It will also be NULL for a bus drivers that \r | |
256 | wish to test the configuration options for the bus \r | |
257 | controller. It will not be NULL for a bus driver that \r | |
258 | wishes to test configuration options for one of \r | |
259 | its child controllers.\r | |
260 | \r | |
261 | Returns:\r | |
262 | EFI_SUCCESS - The controller specified by ControllerHandle and \r | |
263 | ChildHandle that is being managed by the driver \r | |
264 | specified by This has a valid set of configuration\r | |
265 | options.\r | |
266 | EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.\r | |
267 | EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a valid \r | |
268 | EFI_HANDLE.\r | |
269 | EFI_UNSUPPORTED - The driver specified by This is not currently \r | |
270 | managing the controller specified by \r | |
271 | ControllerHandle and ChildHandle.\r | |
272 | EFI_DEVICE_ERROR - The controller specified by ControllerHandle and \r | |
273 | ChildHandle that is being managed by the driver \r | |
274 | specified by This has an invalid set of \r | |
275 | configuration options.\r | |
276 | \r | |
277 | --*/\r | |
278 | {\r | |
279 | EFI_STATUS Status;\r | |
280 | UINT8 Value;\r | |
281 | UINTN DataSize;\r | |
282 | UINT32 Attributes;\r | |
283 | \r | |
284 | if (ChildHandle != NULL) {\r | |
285 | return EFI_UNSUPPORTED;\r | |
286 | }\r | |
287 | \r | |
288 | DataSize = sizeof (Value);\r | |
289 | Status = gRT->GetVariable (\r | |
290 | L"Configuration",\r | |
291 | &gEfiCallerIdGuid,\r | |
292 | &Attributes,\r | |
293 | &DataSize,\r | |
294 | &Value\r | |
295 | );\r | |
296 | if (EFI_ERROR (Status) || Value > 0x0f) {\r | |
297 | return EFI_DEVICE_ERROR;\r | |
298 | }\r | |
299 | \r | |
300 | return EFI_SUCCESS;\r | |
301 | }\r | |
302 | \r | |
303 | EFI_STATUS\r | |
304 | IDEBusDriverConfigurationForceDefaults (\r | |
305 | IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,\r | |
306 | IN EFI_HANDLE ControllerHandle,\r | |
307 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
308 | IN UINT32 DefaultType,\r | |
309 | OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired\r | |
310 | )\r | |
311 | /*++\r | |
312 | \r | |
313 | Routine Description:\r | |
314 | Forces a driver to set the default configuration options for a controller.\r | |
315 | \r | |
316 | Arguments:\r | |
317 | This - A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL \r | |
318 | instance.\r | |
319 | ControllerHandle - The handle of the controller to force default \r | |
320 | configuration options on.\r | |
321 | ChildHandle - The handle of the child controller to force default \r | |
322 | configuration options on This is an optional parameter \r | |
323 | that may be NULL. It will be NULL for device drivers. \r | |
324 | It will also be NULL for a bus drivers that wish to \r | |
325 | force default configuration options for the bus \r | |
326 | controller. It will not be NULL for a bus driver that \r | |
327 | wishes to force default configuration options for one \r | |
328 | of its child controllers.\r | |
329 | DefaultType - The type of default configuration options to force on \r | |
330 | the controller specified by ControllerHandle and \r | |
331 | ChildHandle. See Table 9-1 for legal values. \r | |
332 | A DefaultType of 0x00000000 must be supported \r | |
333 | by this protocol.\r | |
334 | ActionRequired - A pointer to the action that the calling agent \r | |
335 | is required to perform when this function returns. \r | |
336 | \r | |
337 | \r | |
338 | Returns:\r | |
339 | EFI_SUCCESS - The driver specified by This successfully forced \r | |
340 | the default configuration options on the \r | |
341 | controller specified by ControllerHandle and \r | |
342 | ChildHandle.\r | |
343 | EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.\r | |
344 | EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a \r | |
345 | valid EFI_HANDLE.\r | |
346 | EFI_INVALID_PARAMETER - ActionRequired is NULL.\r | |
347 | EFI_UNSUPPORTED - The driver specified by This does not support \r | |
348 | forcing the default configuration options on \r | |
349 | the controller specified by ControllerHandle \r | |
350 | and ChildHandle.\r | |
351 | EFI_UNSUPPORTED - The driver specified by This does not support \r | |
352 | the configuration type specified by DefaultType.\r | |
353 | EFI_DEVICE_ERROR - A device error occurred while attempt to force \r | |
354 | the default configuration options on the controller \r | |
355 | specified by ControllerHandle and ChildHandle.\r | |
356 | EFI_OUT_RESOURCES - There are not enough resources available to force \r | |
357 | the default configuration options on the controller \r | |
358 | specified by ControllerHandle and ChildHandle.\r | |
359 | \r | |
360 | --*/\r | |
361 | {\r | |
362 | UINT8 Value;\r | |
363 | \r | |
364 | if (ChildHandle != NULL) {\r | |
365 | return EFI_UNSUPPORTED;\r | |
366 | }\r | |
367 | \r | |
368 | Value = 0x0f;\r | |
369 | gRT->SetVariable (\r | |
370 | L"Configuration",\r | |
371 | &gEfiCallerIdGuid,\r | |
372 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
373 | sizeof (Value),\r | |
374 | &Value\r | |
375 | );\r | |
376 | *ActionRequired = EfiDriverConfigurationActionRestartController;\r | |
377 | return EFI_SUCCESS;\r | |
378 | }\r |