a405b86d |
1 | /** @file\r |
2 | Provides interface to advanced shell functionality for parsing both handle and protocol database.\r |
3 | \r |
4 | Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r |
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 "UefiHandleParsingLib.h"\r |
16 | \r |
17 | \r |
18 | STATIC CONST EFI_GUID mHandleParsingHiiGuid = \\r |
19 | { \\r |
20 | 0xb8969637, 0x81de, 0x43af, { 0xbc, 0x9a, 0x24, 0xd9, 0x89, 0x13, 0xf2, 0xf6 } \\r |
21 | };\r |
22 | EFI_HANDLE mHandleParsingHiiHandle;\r |
23 | HANDLE_INDEX_LIST mHandleList = {{{NULL,NULL},0,0},0};\r |
24 | \r |
25 | /**\r |
26 | Constructor for the library.\r |
27 | \r |
28 | @param[in] ImageHandle Ignored.\r |
29 | @param[in] SystemTable Ignored.\r |
30 | \r |
31 | @retval EFI_SUCCESS The operation was successful.\r |
32 | **/\r |
33 | EFI_STATUS\r |
34 | EFIAPI\r |
35 | HandleParsingLibConstructor (\r |
36 | IN EFI_HANDLE ImageHandle,\r |
37 | IN EFI_SYSTEM_TABLE *SystemTable\r |
38 | )\r |
39 | {\r |
40 | mHandleParsingHiiHandle = HiiAddPackages (&mHandleParsingHiiGuid, gImageHandle, UefiHandleParsingLibStrings, NULL);\r |
41 | if (mHandleParsingHiiHandle == NULL) {\r |
42 | return (EFI_DEVICE_ERROR);\r |
43 | }\r |
44 | \r |
45 | return (EFI_SUCCESS);\r |
46 | }\r |
47 | \r |
48 | /**\r |
49 | Destructor for the library. free any resources.\r |
50 | \r |
51 | @param[in] ImageHandle Ignored.\r |
52 | @param[in] SystemTable Ignored.\r |
53 | \r |
54 | @retval EFI_SUCCESS The operation was successful.\r |
55 | **/\r |
56 | EFI_STATUS\r |
57 | EFIAPI\r |
58 | HandleParsingLibDestructor (\r |
59 | IN EFI_HANDLE ImageHandle,\r |
60 | IN EFI_SYSTEM_TABLE *SystemTable\r |
61 | )\r |
62 | {\r |
63 | if (mHandleParsingHiiHandle != NULL) {\r |
64 | HiiRemovePackages(mHandleParsingHiiHandle);\r |
65 | }\r |
66 | return (EFI_SUCCESS);\r |
67 | }\r |
68 | \r |
69 | /*\r |
70 | CHAR16*\r |
71 | EFIAPI\r |
72 | LoadedImageProtocolDumpInformation(\r |
73 | IN CONST EFI_HANDLE TheHandle,\r |
74 | IN CONST BOOLEAN Verbose\r |
75 | )\r |
76 | {\r |
77 | EFI_LOADED_IMAGE_PROTOCOL *Image;\r |
78 | EFI_STATUS Status;\r |
79 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r |
80 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r |
81 | VOID *Buffer;\r |
82 | UINTN BufferSize;\r |
83 | UINT32 AuthenticationStatus;\r |
84 | EFI_GUID *NameGuid;\r |
85 | EFI_FIRMWARE_VOLUME_PROTOCOL *FV;\r |
86 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FV2;\r |
87 | \r |
88 | FV = NULL;\r |
89 | FV2 = NULL;\r |
90 | Buffer = NULL;\r |
91 | BufferSize = 0;\r |
92 | \r |
93 | Status = HandleProtocol (\r |
94 | TheHandle,\r |
95 | &gEfiLoadedImageProtocolGuid,\r |
96 | &Image);\r |
97 | ASSERT_EFI_ERROR(Status);\r |
98 | \r |
99 | DevPath = UnpackDevicePath (Image->FilePath);\r |
100 | \r |
101 | if (DevPath == NULL) {\r |
102 | return NULL;\r |
103 | }\r |
104 | \r |
105 | DevPathNode = DevPath;\r |
106 | \r |
107 | while (!IsDevicePathEnd (DevPathNode)) {\r |
108 | //\r |
109 | // Find the Fv File path\r |
110 | //\r |
111 | NameGuid = GetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)DevPathNode);\r |
112 | if (NameGuid != NULL) {\r |
113 | Status = BS->HandleProtocol (\r |
114 | Image->DeviceHandle,\r |
115 | &gEfiFirmwareVolumeProtocolGuid,\r |
116 | &FV\r |
117 | );\r |
118 | if (!EFI_ERROR (Status)) {\r |
119 | Status = FV->ReadSection (\r |
120 | FV,\r |
121 | NameGuid,\r |
122 | EFI_SECTION_USER_INTERFACE,\r |
123 | 0,\r |
124 | &Buffer,\r |
125 | &BufferSize,\r |
126 | &AuthenticationStatus\r |
127 | );\r |
128 | if (!EFI_ERROR (Status)) {\r |
129 | break;\r |
130 | }\r |
131 | \r |
132 | Buffer = NULL;\r |
133 | } else {\r |
134 | Status = BS->HandleProtocol (\r |
135 | Image->DeviceHandle,\r |
136 | &gEfiFirmwareVolume2ProtocolGuid,\r |
137 | &FV2\r |
138 | );\r |
139 | if (!EFI_ERROR (Status)) {\r |
140 | Status = FV2->ReadSection (\r |
141 | FV2,\r |
142 | NameGuid,\r |
143 | EFI_SECTION_USER_INTERFACE,\r |
144 | 0,\r |
145 | &Buffer,\r |
146 | &BufferSize,\r |
147 | &AuthenticationStatus\r |
148 | );\r |
149 | if (!EFI_ERROR (Status)) {\r |
150 | break;\r |
151 | }\r |
152 | \r |
153 | Buffer = NULL;\r |
154 | }\r |
155 | }\r |
156 | }\r |
157 | //\r |
158 | // Next device path node\r |
159 | //\r |
160 | DevPathNode = NextDevicePathNode (DevPathNode);\r |
161 | }\r |
162 | \r |
163 | FreePool (DevPath);\r |
164 | return Buffer;\r |
165 | }\r |
166 | */\r |
167 | \r |
168 | /**\r |
169 | Function to dump information about SimpleTextOut.\r |
170 | \r |
171 | This will allocate the return buffer from boot services pool.\r |
172 | \r |
173 | @param[in] TheHandle The handle that has SimpleTextOut installed.\r |
174 | @param[in] Verbose TRUE for additional information, FALSE otherwise.\r |
175 | \r |
176 | @retval A poitner to a string containing the information.\r |
177 | **/\r |
178 | CHAR16*\r |
179 | EFIAPI\r |
180 | TxtOutProtocolDumpInformation(\r |
181 | IN CONST EFI_HANDLE TheHandle,\r |
182 | IN CONST BOOLEAN Verbose\r |
183 | )\r |
184 | {\r |
185 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Dev;\r |
186 | INTN Index;\r |
187 | UINTN Col;\r |
188 | UINTN Row;\r |
189 | EFI_STATUS Status;\r |
190 | CHAR16 *RetVal;\r |
191 | UINTN Size;\r |
192 | CHAR16 *Temp;\r |
193 | UINTN NewSize;\r |
194 | \r |
195 | if (!Verbose) {\r |
196 | return (NULL);\r |
197 | }\r |
198 | \r |
199 | RetVal = NULL;\r |
200 | Size = 0;\r |
201 | \r |
202 | Status = gBS->HandleProtocol(\r |
203 | TheHandle,\r |
204 | &gEfiSimpleTextOutProtocolGuid,\r |
205 | (VOID**)&Dev);\r |
206 | \r |
207 | ASSERT_EFI_ERROR(Status);\r |
208 | ASSERT (Dev != NULL && Dev->Mode != NULL);\r |
209 | \r |
210 | Size = (Dev->Mode->MaxMode + 1) * 80;\r |
211 | RetVal = AllocateZeroPool(Size);\r |
212 | \r |
213 | Temp = HiiGetString(mHandleParsingHiiHandle, STRING_TOKEN(STR_TXT_OUT_DUMP_HEADER), NULL);\r |
214 | UnicodeSPrint(RetVal, Size, Temp, Dev, Dev->Mode->Attribute);\r |
215 | FreePool(Temp);\r |
216 | \r |
217 | //\r |
218 | // Dump TextOut Info\r |
219 | //\r |
220 | Temp = HiiGetString(mHandleParsingHiiHandle, STRING_TOKEN(STR_TXT_OUT_DUMP_LINE), NULL);\r |
221 | for (Index = 0; Index < Dev->Mode->MaxMode; Index++) {\r |
222 | Status = Dev->QueryMode (Dev, Index, &Col, &Row);\r |
223 | NewSize = Size - StrSize(RetVal);\r |
224 | UnicodeSPrint(\r |
225 | RetVal + StrLen(RetVal),\r |
226 | NewSize,\r |
227 | Temp,\r |
228 | Index == Dev->Mode->Mode ? L'*' : L' ',\r |
229 | Index,\r |
230 | !EFI_ERROR(Status)?Col:-1,\r |
231 | !EFI_ERROR(Status)?Row:-1\r |
232 | );\r |
233 | }\r |
234 | FreePool(Temp);\r |
235 | return (RetVal);\r |
236 | }\r |
237 | \r |
238 | STATIC CONST UINTN VersionStringSize = 60;\r |
239 | \r |
240 | /**\r |
241 | Function to dump information about EfiDriverSupportedEfiVersion protocol.\r |
242 | \r |
243 | This will allocate the return buffer from boot services pool.\r |
244 | \r |
245 | @param[in] TheHandle The handle that has the protocol installed.\r |
246 | @param[in] Verbose TRUE for additional information, FALSE otherwise.\r |
247 | \r |
248 | @retval A poitner to a string containing the information.\r |
249 | **/\r |
250 | CHAR16*\r |
251 | EFIAPI\r |
252 | DriverEfiVersionProtocolDumpInformation(\r |
253 | IN CONST EFI_HANDLE TheHandle,\r |
254 | IN CONST BOOLEAN Verbose\r |
255 | )\r |
256 | {\r |
257 | EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL *DriverEfiVersion;\r |
258 | EFI_STATUS Status;\r |
259 | CHAR16 *RetVal;\r |
260 | \r |
261 | Status = gBS->HandleProtocol(\r |
262 | TheHandle,\r |
263 | &gEfiDriverSupportedEfiVersionProtocolGuid,\r |
264 | (VOID**)&DriverEfiVersion);\r |
265 | \r |
266 | ASSERT_EFI_ERROR(Status);\r |
267 | \r |
268 | RetVal = AllocatePool(VersionStringSize);\r |
269 | ASSERT(RetVal != NULL);\r |
270 | UnicodeSPrint(RetVal, VersionStringSize, L"0x%08x", DriverEfiVersion->FirmwareVersion);\r |
271 | return (RetVal);\r |
272 | }\r |
273 | \r |
274 | /**\r |
275 | Function to dump information about DevicePath protocol.\r |
276 | \r |
277 | This will allocate the return buffer from boot services pool.\r |
278 | \r |
279 | @param[in] TheHandle The handle that has the protocol installed.\r |
280 | @param[in] Verbose TRUE for additional information, FALSE otherwise.\r |
281 | \r |
282 | @retval A poitner to a string containing the information.\r |
283 | **/\r |
284 | CHAR16*\r |
285 | EFIAPI\r |
286 | DevicePathProtocolDumpInformation(\r |
287 | IN CONST EFI_HANDLE TheHandle,\r |
288 | IN CONST BOOLEAN Verbose\r |
289 | )\r |
290 | {\r |
291 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r |
292 | CHAR16 *Temp;\r |
293 | CHAR16 *Temp2;\r |
294 | EFI_STATUS Status;\r |
295 | EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *DevPathToText;\r |
296 | Temp = NULL;\r |
297 | \r |
298 | Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID**)&DevPathToText);\r |
299 | if (!EFI_ERROR(Status)) {\r |
300 | Status = gBS->OpenProtocol(TheHandle, &gEfiDevicePathProtocolGuid, (VOID**)&DevPath, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r |
301 | if (!EFI_ERROR(Status)) {\r |
302 | //\r |
303 | // I cannot decide whether to allow shortcuts here (the second BOOLEAN on the next line)\r |
304 | //\r |
305 | Temp = DevPathToText->ConvertDevicePathToText(DevPath, TRUE, TRUE);\r |
306 | gBS->CloseProtocol(TheHandle, &gEfiDevicePathProtocolGuid, gImageHandle, NULL);\r |
307 | }\r |
308 | }\r |
309 | if (Verbose && Temp != NULL && StrLen(Temp) > 30) {\r |
310 | Temp2 = NULL;\r |
311 | Temp2 = StrnCatGrow(&Temp2, NULL, Temp+(StrLen(Temp) - 30), 30);\r |
312 | FreePool(Temp);\r |
313 | Temp = Temp2;\r |
314 | }\r |
315 | return (Temp);\r |
316 | }\r |
317 | \r |
318 | //\r |
319 | // Put the information on the NT32 protocol GUIDs here so we are not dependant on the Nt32Pkg\r |
320 | //\r |
321 | #define LOCAL_EFI_WIN_NT_THUNK_PROTOCOL_GUID \\r |
322 | { \\r |
323 | 0x58c518b1, 0x76f3, 0x11d4, 0xbc, 0xea, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 \\r |
324 | }\r |
325 | \r |
326 | #define LOCAL_EFI_WIN_NT_BUS_DRIVER_IO_PROTOCOL_GUID \\r |
327 | { \\r |
328 | 0x96eb4ad6, 0xa32a, 0x11d4, 0xbc, 0xfd, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 \\r |
329 | }\r |
330 | \r |
331 | #define LOCAL_EFI_WIN_NT_SERIAL_PORT_GUID \\r |
332 | { \\r |
333 | 0xc95a93d, 0xa006, 0x11d4, 0xbc, 0xfa, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 \\r |
334 | }\r |
335 | STATIC CONST EFI_GUID WinNtThunkProtocolGuid = LOCAL_EFI_WIN_NT_THUNK_PROTOCOL_GUID;\r |
336 | STATIC CONST EFI_GUID WinNtIoProtocolGuid = LOCAL_EFI_WIN_NT_BUS_DRIVER_IO_PROTOCOL_GUID;\r |
337 | STATIC CONST EFI_GUID WinNtSerialPortGuid = LOCAL_EFI_WIN_NT_SERIAL_PORT_GUID;\r |
338 | \r |
339 | STATIC CONST PROTOCOL_INFO_BLOCK mGuidStringListNT[] = {\r |
340 | {STRING_TOKEN(STR_WINNT_THUNK), (EFI_GUID*)&WinNtThunkProtocolGuid, NULL},\r |
341 | {STRING_TOKEN(STR_WINNT_DRIVER_IO), (EFI_GUID*)&WinNtIoProtocolGuid, NULL},\r |
342 | {STRING_TOKEN(STR_WINNT_SERIAL_PORT), (EFI_GUID*)&WinNtSerialPortGuid, NULL},\r |
343 | {STRING_TOKEN(STR_UNKNOWN_DEVICE), NULL, NULL},\r |
344 | };\r |
345 | \r |
346 | STATIC CONST PROTOCOL_INFO_BLOCK mGuidStringList[] = {\r |
347 | {STRING_TOKEN(STR_LOADED_IMAGE), &gEfiLoadedImageProtocolGuid, NULL},\r |
348 | {STRING_TOKEN(STR_DEVICE_PATH), &gEfiDevicePathProtocolGuid, DevicePathProtocolDumpInformation},\r |
349 | {STRING_TOKEN(STR_IMAGE_PATH), &gEfiLoadedImageDevicePathProtocolGuid, DevicePathProtocolDumpInformation},\r |
350 | {STRING_TOKEN(STR_DEVICE_PATH_UTIL), &gEfiDevicePathUtilitiesProtocolGuid, NULL},\r |
351 | {STRING_TOKEN(STR_DEVICE_PATH_TXT), &gEfiDevicePathToTextProtocolGuid, NULL},\r |
352 | {STRING_TOKEN(STR_DEVICE_PATH_FTXT), &gEfiDevicePathFromTextProtocolGuid, NULL},\r |
353 | {STRING_TOKEN(STR_DEVICE_PATH_PC), &gEfiPcAnsiGuid, NULL},\r |
354 | {STRING_TOKEN(STR_DEVICE_PATH_VT100), &gEfiVT100Guid, NULL},\r |
355 | {STRING_TOKEN(STR_DEVICE_PATH_VT100P), &gEfiVT100PlusGuid, NULL},\r |
356 | {STRING_TOKEN(STR_DEVICE_PATH_VTUTF8), &gEfiVTUTF8Guid, NULL},\r |
357 | {STRING_TOKEN(STR_DRIVER_BINDING), &gEfiDriverBindingProtocolGuid, NULL},\r |
358 | {STRING_TOKEN(STR_PLATFORM_OVERRIDE), &gEfiPlatformDriverOverrideProtocolGuid, NULL},\r |
359 | {STRING_TOKEN(STR_BUS_OVERRIDE), &gEfiBusSpecificDriverOverrideProtocolGuid, NULL},\r |
360 | {STRING_TOKEN(STR_DRIVER_DIAG), &gEfiDriverDiagnosticsProtocolGuid, NULL},\r |
361 | {STRING_TOKEN(STR_DRIVER_DIAG2), &gEfiDriverDiagnostics2ProtocolGuid, NULL},\r |
362 | {STRING_TOKEN(STR_DRIVER_CN), &gEfiComponentNameProtocolGuid, NULL},\r |
363 | {STRING_TOKEN(STR_DRIVER_CN2), &gEfiComponentName2ProtocolGuid, NULL},\r |
364 | {STRING_TOKEN(STR_PLAT_DRV_CFG), &gEfiPlatformToDriverConfigurationProtocolGuid, NULL},\r |
365 | {STRING_TOKEN(STR_DRIVER_VERSION), &gEfiDriverSupportedEfiVersionProtocolGuid, DriverEfiVersionProtocolDumpInformation},\r |
366 | {STRING_TOKEN(STR_TXT_IN), &gEfiSimpleTextInProtocolGuid, NULL},\r |
367 | {STRING_TOKEN(STR_TXT_IN_EX), &gEfiSimpleTextInputExProtocolGuid, NULL},\r |
368 | {STRING_TOKEN(STR_TXT_OUT), &gEfiSimpleTextOutProtocolGuid, TxtOutProtocolDumpInformation},\r |
369 | {STRING_TOKEN(STR_SIM_POINTER), &gEfiSimplePointerProtocolGuid, NULL},\r |
370 | {STRING_TOKEN(STR_ABS_POINTER), &gEfiAbsolutePointerProtocolGuid, NULL},\r |
371 | {STRING_TOKEN(STR_SERIAL_IO), &gEfiSerialIoProtocolGuid, NULL},\r |
372 | {STRING_TOKEN(STR_GRAPHICS_OUTPUT), &gEfiGraphicsOutputProtocolGuid, NULL},\r |
373 | {STRING_TOKEN(STR_EDID_DISCOVERED), &gEfiEdidDiscoveredProtocolGuid, NULL},\r |
374 | {STRING_TOKEN(STR_EDID_ACTIVE), &gEfiEdidActiveProtocolGuid, NULL},\r |
375 | {STRING_TOKEN(STR_EDID_OVERRIDE), &gEfiEdidOverrideProtocolGuid, NULL},\r |
376 | {STRING_TOKEN(STR_CON_IN), &gEfiConsoleInDeviceGuid, NULL},\r |
377 | {STRING_TOKEN(STR_CON_OUT), &gEfiConsoleOutDeviceGuid, NULL},\r |
378 | {STRING_TOKEN(STR_STD_ERR), &gEfiStandardErrorDeviceGuid, NULL},\r |
379 | {STRING_TOKEN(STR_LOAD_FILE), &gEfiLoadFileProtocolGuid, NULL},\r |
380 | {STRING_TOKEN(STR_LOAD_FILE2), &gEfiLoadFile2ProtocolGuid, NULL},\r |
381 | {STRING_TOKEN(STR_SIMPLE_FILE_SYS), &gEfiSimpleFileSystemProtocolGuid, NULL},\r |
382 | {STRING_TOKEN(STR_FILE_INFO), &gEfiFileInfoGuid, NULL},\r |
383 | {STRING_TOKEN(STR_FILE_SYS_INFO), &gEfiFileSystemInfoGuid, NULL},\r |
384 | {STRING_TOKEN(STR_TAPE_IO), &gEfiTapeIoProtocolGuid, NULL},\r |
385 | {STRING_TOKEN(STR_DISK_IO), &gEfiDiskIoProtocolGuid, NULL},\r |
386 | {STRING_TOKEN(STR_BLK_IO), &gEfiBlockIoProtocolGuid, NULL},\r |
387 | {STRING_TOKEN(STR_UC), &gEfiUnicodeCollationProtocolGuid, NULL},\r |
388 | {STRING_TOKEN(STR_UC2), &gEfiUnicodeCollation2ProtocolGuid, NULL},\r |
389 | {STRING_TOKEN(STR_PCIRB_IO), &gEfiPciRootBridgeIoProtocolGuid, NULL},\r |
390 | {STRING_TOKEN(STR_PCI_IO), &gEfiPciIoProtocolGuid, NULL},\r |
391 | {STRING_TOKEN(STR_SCSI_PT), &gEfiScsiPassThruProtocolGuid, NULL},\r |
392 | {STRING_TOKEN(STR_SCSI_IO), &gEfiScsiIoProtocolGuid, NULL},\r |
393 | {STRING_TOKEN(STR_SCSI_PT_EXT), &gEfiExtScsiPassThruProtocolGuid, NULL},\r |
394 | {STRING_TOKEN(STR_ISCSI), &gEfiIScsiInitiatorNameProtocolGuid, NULL},\r |
395 | {STRING_TOKEN(STR_USB_IO), &gEfiUsbIoProtocolGuid, NULL},\r |
396 | {STRING_TOKEN(STR_USB_HC), &gEfiUsbHcProtocolGuid, NULL},\r |
397 | {STRING_TOKEN(STR_USB_HC2), &gEfiUsb2HcProtocolGuid, NULL},\r |
398 | {STRING_TOKEN(STR_DEBUG_SUPPORT), &gEfiDebugSupportProtocolGuid, NULL},\r |
399 | {STRING_TOKEN(STR_DEBUG_PORT), &gEfiDebugPortProtocolGuid, NULL},\r |
400 | {STRING_TOKEN(STR_DECOMPRESS), &gEfiDecompressProtocolGuid, NULL},\r |
401 | {STRING_TOKEN(STR_ACPI_TABLE), &gEfiAcpiTableProtocolGuid, NULL},\r |
402 | {STRING_TOKEN(STR_EBC_INTERPRETER), &gEfiEbcProtocolGuid, NULL},\r |
403 | {STRING_TOKEN(STR_SNP), &gEfiSimpleNetworkProtocolGuid, NULL},\r |
404 | {STRING_TOKEN(STR_NII), &gEfiNetworkInterfaceIdentifierProtocolGuid, NULL},\r |
405 | {STRING_TOKEN(STR_NII_31), &gEfiNetworkInterfaceIdentifierProtocolGuid_31, NULL},\r |
406 | {STRING_TOKEN(STR_PXE_BC), &gEfiPxeBaseCodeProtocolGuid, NULL},\r |
407 | {STRING_TOKEN(STR_PXE_CB), &gEfiPxeBaseCodeCallbackProtocolGuid, NULL},\r |
408 | {STRING_TOKEN(STR_BIS), &gEfiBisProtocolGuid, NULL},\r |
409 | {STRING_TOKEN(STR_MNP_SB), &gEfiManagedNetworkServiceBindingProtocolGuid, NULL},\r |
410 | {STRING_TOKEN(STR_MNP), &gEfiManagedNetworkProtocolGuid, NULL},\r |
411 | {STRING_TOKEN(STR_ARP_SB), &gEfiArpServiceBindingProtocolGuid, NULL},\r |
412 | {STRING_TOKEN(STR_ARP), &gEfiArpProtocolGuid, NULL},\r |
413 | {STRING_TOKEN(STR_DHCPV4_SB), &gEfiDhcp4ServiceBindingProtocolGuid, NULL},\r |
414 | {STRING_TOKEN(STR_DHCPV4), &gEfiDhcp4ProtocolGuid, NULL},\r |
415 | {STRING_TOKEN(STR_TCPV4_SB), &gEfiTcp4ServiceBindingProtocolGuid, NULL},\r |
416 | {STRING_TOKEN(STR_TCPV4), &gEfiTcp4ProtocolGuid, NULL},\r |
417 | {STRING_TOKEN(STR_IPV4_SB), &gEfiIp4ServiceBindingProtocolGuid, NULL},\r |
418 | {STRING_TOKEN(STR_IPV4), &gEfiIp4ProtocolGuid, NULL},\r |
419 | {STRING_TOKEN(STR_IPV4_CFG), &gEfiIp4ConfigProtocolGuid, NULL},\r |
420 | {STRING_TOKEN(STR_SHELL_PARAMETERS), &gEfiShellParametersProtocolGuid, NULL},\r |
421 | {STRING_TOKEN(STR_SHELL), &gEfiShellProtocolGuid, NULL},\r |
422 | {STRING_TOKEN(STR_EFI_GLOBAL_VARIABLE), &gEfiGlobalVariableGuid, NULL},\r |
423 | {STRING_TOKEN(STR_UDPV4_SB), &gEfiUdp4ServiceBindingProtocolGuid, NULL},\r |
424 | {STRING_TOKEN(STR_UDPV4), &gEfiUdp4ProtocolGuid, NULL},\r |
425 | {STRING_TOKEN(STR_MTFTPV4_SB), &gEfiMtftp4ServiceBindingProtocolGuid, NULL},\r |
426 | {STRING_TOKEN(STR_MTFTPV4), &gEfiMtftp4ProtocolGuid, NULL},\r |
427 | {STRING_TOKEN(STR_AUTH_INFO), &gEfiAuthenticationInfoProtocolGuid, NULL},\r |
428 | {STRING_TOKEN(STR_HASH_SB), &gEfiHashServiceBindingProtocolGuid, NULL},\r |
429 | {STRING_TOKEN(STR_HASH), &gEfiHashProtocolGuid, NULL},\r |
430 | {STRING_TOKEN(STR_HII_FONT), &gEfiHiiFontProtocolGuid, NULL},\r |
431 | {STRING_TOKEN(STR_HII_STRING), &gEfiHiiStringProtocolGuid, NULL},\r |
432 | {STRING_TOKEN(STR_HII_IMAGE), &gEfiHiiImageProtocolGuid, NULL},\r |
433 | {STRING_TOKEN(STR_HII_DATABASE), &gEfiHiiDatabaseProtocolGuid, NULL},\r |
434 | {STRING_TOKEN(STR_HII_CONFIG_ROUT), &gEfiHiiConfigRoutingProtocolGuid, NULL},\r |
435 | {STRING_TOKEN(STR_HII_CONFIG_ACC), &gEfiHiiConfigAccessProtocolGuid, NULL},\r |
436 | {STRING_TOKEN(STR_HII_FORM_BROWSER2), &gEfiFormBrowser2ProtocolGuid, NULL},\r |
437 | {STRING_TOKEN(STR_SHELL_INTERFACE), &gEfiShellInterfaceGuid, NULL},\r |
438 | {STRING_TOKEN(STR_SHELL_ENV2), &gEfiShellEnvironment2Guid, NULL},\r |
439 | {STRING_TOKEN(STR_SHELL_ENV), &gEfiShellEnvironment2Guid, NULL},\r |
440 | {STRING_TOKEN(STR_DEVICE_IO), &gEfiDeviceIoProtocolGuid, NULL},\r |
441 | {STRING_TOKEN(STR_UGA_DRAW), &gEfiUgaDrawProtocolGuid, NULL},\r |
442 | {STRING_TOKEN(STR_UGA_IO), &gEfiUgaIoProtocolGuid, NULL},\r |
443 | {STRING_TOKEN(STR_ESP), &gEfiPartTypeSystemPartGuid, NULL},\r |
444 | {STRING_TOKEN(STR_GPT_NBR), &gEfiPartTypeLegacyMbrGuid, NULL},\r |
445 | {STRING_TOKEN(STR_DRIVER_CONFIG), &gEfiDriverConfigurationProtocolGuid, NULL},\r |
446 | {STRING_TOKEN(STR_DRIVER_CONFIG2), &gEfiDriverConfiguration2ProtocolGuid, NULL},\r |
447 | {STRING_TOKEN(STR_UNKNOWN_DEVICE), NULL, NULL},\r |
448 | };\r |
449 | \r |
450 | /**\r |
451 | Function to get the node for a protocol or struct from it's GUID.\r |
452 | \r |
453 | if Guid is NULL, then ASSERT.\r |
454 | \r |
455 | @param[in] Guid The GUID to look for the name of.\r |
456 | \r |
457 | @return The node.\r |
458 | **/\r |
459 | CONST PROTOCOL_INFO_BLOCK *\r |
460 | EFIAPI\r |
461 | InternalShellGetNodeFromGuid(\r |
462 | IN CONST EFI_GUID* Guid\r |
463 | )\r |
464 | {\r |
465 | CONST PROTOCOL_INFO_BLOCK *ListWalker;\r |
466 | \r |
467 | ASSERT(Guid != NULL);\r |
468 | \r |
469 | if (PcdGetBool(PcdShellIncludeNtGuids)) {\r |
470 | for (ListWalker = mGuidStringListNT ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {\r |
471 | if (CompareGuid(ListWalker->GuidId, Guid)) {\r |
472 | return (ListWalker);\r |
473 | }\r |
474 | }\r |
475 | }\r |
476 | for (ListWalker = mGuidStringList ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {\r |
477 | if (CompareGuid(ListWalker->GuidId, Guid)) {\r |
478 | return (ListWalker);\r |
479 | }\r |
480 | }\r |
481 | return (ListWalker);\r |
482 | }\r |
483 | \r |
484 | /**\r |
485 | Function to get the name of a protocol or struct from it's GUID.\r |
486 | \r |
487 | if Guid is NULL, then ASSERT.\r |
488 | \r |
489 | @param[in] Guid The GUID to look for the name of.\r |
490 | @param[in] Lang The language to use.\r |
491 | \r |
492 | @return pointer to string of the name. The caller\r |
493 | is responsible to free this memory.\r |
494 | **/\r |
495 | CHAR16*\r |
496 | EFIAPI\r |
497 | GetStringNameFromGuid(\r |
498 | IN CONST EFI_GUID *Guid,\r |
499 | IN CONST CHAR8 *Lang OPTIONAL\r |
500 | )\r |
501 | {\r |
502 | CONST PROTOCOL_INFO_BLOCK *Id;\r |
503 | \r |
504 | Id = InternalShellGetNodeFromGuid(Guid);\r |
505 | return (HiiGetString(mHandleParsingHiiHandle, Id->StringId, Lang));\r |
506 | }\r |
507 | \r |
508 | /**\r |
509 | Function to dump protocol information from a handle.\r |
510 | \r |
511 | This function will return a allocated string buffer containing the\r |
512 | information. The caller is responsible for freeing the memory.\r |
513 | \r |
514 | If Guid is NULL, ASSERT().\r |
515 | If TheHandle is NULL, ASSERT().\r |
516 | \r |
517 | @param[in] TheHandle The handle to dump information from.\r |
518 | @param[in] Guid The GUID of the protocol to dump.\r |
519 | @param[in] Verbose TRUE for extra info. FALSE otherwise.\r |
520 | \r |
521 | @return The pointer to string.\r |
522 | @retval NULL An error was encountered.\r |
523 | **/\r |
524 | CHAR16*\r |
525 | EFIAPI\r |
526 | GetProtocolInformationDump(\r |
527 | IN CONST EFI_HANDLE TheHandle,\r |
528 | IN CONST EFI_GUID *Guid,\r |
529 | IN CONST BOOLEAN Verbose\r |
530 | )\r |
531 | {\r |
532 | CONST PROTOCOL_INFO_BLOCK *Id;\r |
533 | \r |
534 | ASSERT(TheHandle != NULL);\r |
535 | ASSERT(Guid != NULL);\r |
536 | \r |
537 | if (TheHandle == NULL || Guid == NULL) {\r |
538 | return (NULL);\r |
539 | }\r |
540 | \r |
541 | Id = InternalShellGetNodeFromGuid(Guid);\r |
542 | if (Id != NULL && Id->DumpInfo != NULL) {\r |
543 | return (Id->DumpInfo(TheHandle, Verbose));\r |
544 | }\r |
545 | return (NULL);\r |
546 | }\r |
547 | \r |
548 | /**\r |
549 | Function to get the Guid for a protocol or struct based on it's string name.\r |
550 | \r |
551 | @param[in] Name The pointer to the string name.\r |
552 | @param[in] Lang The pointer to the language code.\r |
553 | @param[in] Guid The pointer to the Guid.\r |
554 | \r |
555 | @retval EFI_SUCCESS The operation was sucessful.\r |
556 | **/\r |
557 | EFI_STATUS\r |
558 | EFIAPI\r |
559 | GetGuidFromStringName(\r |
560 | IN CONST CHAR16 *Name,\r |
561 | IN CONST CHAR8 *Lang OPTIONAL,\r |
562 | IN EFI_GUID **Guid\r |
563 | )\r |
564 | {\r |
565 | CONST PROTOCOL_INFO_BLOCK *ListWalker;\r |
566 | CHAR16 *String;\r |
567 | \r |
568 | ASSERT(Guid != NULL);\r |
569 | if (Guid == NULL) {\r |
570 | return (EFI_INVALID_PARAMETER);\r |
571 | }\r |
572 | *Guid = NULL;\r |
573 | \r |
574 | if (PcdGetBool(PcdShellIncludeNtGuids)) {\r |
575 | for (ListWalker = mGuidStringListNT ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {\r |
576 | String = HiiGetString(mHandleParsingHiiHandle, ListWalker->StringId, Lang);\r |
577 | if (Name != NULL && String != NULL && StrCmp(Name, String)==0) {\r |
578 | *Guid = ListWalker->GuidId;\r |
579 | }\r |
580 | SHELL_FREE_NON_NULL(String);\r |
581 | if (*Guid != NULL) {\r |
582 | return (EFI_SUCCESS);\r |
583 | }\r |
584 | }\r |
585 | }\r |
586 | for (ListWalker = mGuidStringList ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {\r |
587 | String = HiiGetString(mHandleParsingHiiHandle, ListWalker->StringId, Lang);\r |
588 | if (Name != NULL && String != NULL && StrCmp(Name, String)==0) {\r |
589 | *Guid = ListWalker->GuidId;\r |
590 | }\r |
591 | SHELL_FREE_NON_NULL(String);\r |
592 | if (*Guid != NULL) {\r |
593 | return (EFI_SUCCESS);\r |
594 | }\r |
595 | }\r |
596 | return (EFI_NOT_FOUND);\r |
597 | }\r |
598 | \r |
599 | /**\r |
600 | Function to retrieve the driver name (if possible) from the ComponentName or\r |
601 | ComponentName2 protocol\r |
602 | \r |
603 | @param[in] TheHandle The driver handle to get the name of.\r |
604 | @param[in] Language The language to use.\r |
605 | \r |
606 | @retval NULL The name could not be found.\r |
607 | @return A pointer to the string name. Do not de-allocate the memory.\r |
608 | **/\r |
609 | CONST CHAR16*\r |
610 | EFIAPI\r |
611 | GetStringNameFromHandle(\r |
612 | IN CONST EFI_HANDLE TheHandle,\r |
613 | IN CONST CHAR8 *Language\r |
614 | )\r |
615 | {\r |
616 | EFI_COMPONENT_NAME2_PROTOCOL *CompNameStruct;\r |
617 | EFI_STATUS Status;\r |
618 | CHAR16 *RetVal;\r |
619 | \r |
620 | Status = gBS->OpenProtocol(\r |
621 | TheHandle,\r |
622 | &gEfiComponentName2ProtocolGuid,\r |
623 | (VOID**)&CompNameStruct,\r |
624 | gImageHandle,\r |
625 | NULL,\r |
626 | EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r |
627 | if (!EFI_ERROR(Status)) {\r |
628 | Status = CompNameStruct->GetDriverName(CompNameStruct, (CHAR8*)Language, &RetVal);\r |
629 | if (!EFI_ERROR(Status)) {\r |
630 | return (RetVal);\r |
631 | }\r |
632 | }\r |
633 | Status = gBS->OpenProtocol(\r |
634 | TheHandle,\r |
635 | &gEfiComponentNameProtocolGuid,\r |
636 | (VOID**)&CompNameStruct,\r |
637 | gImageHandle,\r |
638 | NULL,\r |
639 | EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r |
640 | if (!EFI_ERROR(Status)) {\r |
641 | Status = CompNameStruct->GetDriverName(CompNameStruct, (CHAR8*)Language, &RetVal);\r |
642 | if (!EFI_ERROR(Status)) {\r |
643 | return (RetVal);\r |
644 | }\r |
645 | }\r |
646 | return (NULL);\r |
647 | }\r |
648 | \r |
649 | /**\r |
650 | Function to initialize the file global mHandleList object for use in\r |
651 | vonverting handles to index and index to handle.\r |
652 | \r |
653 | @retval EFI_SUCCESS The operation was successful.\r |
654 | **/\r |
655 | EFI_STATUS\r |
656 | EFIAPI\r |
657 | InternalShellInitHandleList(\r |
658 | VOID\r |
659 | )\r |
660 | {\r |
661 | EFI_STATUS Status;\r |
662 | EFI_HANDLE *HandleBuffer;\r |
663 | UINTN HandleCount;\r |
664 | HANDLE_LIST *ListWalker;\r |
665 | \r |
666 | if (mHandleList.NextIndex != 0) {\r |
667 | return EFI_SUCCESS;\r |
668 | }\r |
669 | InitializeListHead(&mHandleList.List.Link);\r |
670 | mHandleList.NextIndex = 1;\r |
671 | Status = gBS->LocateHandleBuffer (\r |
672 | AllHandles,\r |
673 | NULL,\r |
674 | NULL,\r |
675 | &HandleCount,\r |
676 | &HandleBuffer\r |
677 | );\r |
678 | ASSERT_EFI_ERROR(Status);\r |
679 | if (EFI_ERROR(Status)) {\r |
680 | return (Status);\r |
681 | }\r |
682 | for (mHandleList.NextIndex = 1 ; mHandleList.NextIndex <= HandleCount ; mHandleList.NextIndex++){\r |
683 | ListWalker = AllocatePool(sizeof(HANDLE_LIST));\r |
684 | ASSERT(ListWalker != NULL);\r |
685 | ListWalker->TheHandle = HandleBuffer[mHandleList.NextIndex-1];\r |
686 | ListWalker->TheIndex = mHandleList.NextIndex;\r |
687 | InsertTailList(&mHandleList.List.Link,&ListWalker->Link);\r |
688 | }\r |
689 | FreePool(HandleBuffer);\r |
690 | return (EFI_SUCCESS);\r |
691 | }\r |
692 | \r |
693 | /**\r |
694 | Function to retrieve the human-friendly index of a given handle. If the handle\r |
695 | does not have a index one will be automatically assigned. The index value is valid\r |
696 | until the termination of the shell application.\r |
697 | \r |
698 | @param[in] TheHandle The handle to retrieve an index for.\r |
699 | \r |
700 | @retval 0 A memory allocation failed.\r |
701 | @return The index of the handle.\r |
702 | \r |
703 | **/\r |
704 | UINTN\r |
705 | EFIAPI\r |
706 | ConvertHandleToHandleIndex(\r |
707 | IN CONST EFI_HANDLE TheHandle\r |
708 | )\r |
709 | {\r |
710 | HANDLE_LIST *ListWalker;\r |
711 | ASSERT(TheHandle!=NULL);\r |
712 | \r |
713 | InternalShellInitHandleList();\r |
714 | \r |
715 | for (ListWalker = (HANDLE_LIST*)GetFirstNode(&mHandleList.List.Link)\r |
716 | ; !IsNull(&mHandleList.List.Link,&ListWalker->Link)\r |
717 | ; ListWalker = (HANDLE_LIST*)GetNextNode(&mHandleList.List.Link,&ListWalker->Link)\r |
718 | ){\r |
719 | if (ListWalker->TheHandle == TheHandle) {\r |
720 | return (ListWalker->TheIndex);\r |
721 | }\r |
722 | }\r |
723 | ListWalker = AllocatePool(sizeof(HANDLE_LIST));\r |
724 | ASSERT(ListWalker != NULL);\r |
725 | ListWalker->TheHandle = TheHandle;\r |
726 | ListWalker->TheIndex = mHandleList.NextIndex++;\r |
727 | InsertTailList(&mHandleList.List.Link,&ListWalker->Link);\r |
728 | return (ListWalker->TheIndex);\r |
729 | }\r |
730 | \r |
731 | \r |
732 | \r |
733 | /**\r |
734 | Function to retrieve the EFI_HANDLE from the human-friendly index.\r |
735 | \r |
736 | @param[in] TheIndex The index to retrieve the EFI_HANDLE for.\r |
737 | \r |
738 | @retval NULL The index was invalid.\r |
739 | @return The EFI_HANDLE that index represents.\r |
740 | \r |
741 | **/\r |
742 | EFI_HANDLE\r |
743 | EFIAPI\r |
744 | ConvertHandleIndexToHandle(\r |
745 | IN CONST UINTN TheIndex\r |
746 | )\r |
747 | {\r |
748 | HANDLE_LIST *ListWalker;\r |
749 | \r |
750 | InternalShellInitHandleList();\r |
751 | \r |
752 | if (TheIndex >= mHandleList.NextIndex) {\r |
753 | return (NULL);\r |
754 | }\r |
755 | \r |
756 | for (ListWalker = (HANDLE_LIST*)GetFirstNode(&mHandleList.List.Link)\r |
757 | ; !IsNull(&mHandleList.List.Link,&ListWalker->Link)\r |
758 | ; ListWalker = (HANDLE_LIST*)GetNextNode(&mHandleList.List.Link,&ListWalker->Link)\r |
759 | ){\r |
760 | if (ListWalker->TheIndex == TheIndex) {\r |
761 | return (ListWalker->TheHandle);\r |
762 | }\r |
763 | }\r |
764 | return (NULL);\r |
765 | }\r |
766 | \r |
767 | /**\r |
768 | Gets all the related EFI_HANDLEs based on the mask supplied.\r |
769 | \r |
770 | This function scans all EFI_HANDLES in the UEFI environment's handle database\r |
771 | and returns the ones with the specified relationship (Mask) to the specified\r |
772 | controller handle.\r |
773 | \r |
774 | If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.\r |
775 | If MatchingHandleCount is NULL, then ASSERT.\r |
776 | \r |
777 | If MatchingHandleBuffer is not NULL upon a successful return the memory must be\r |
778 | caller freed.\r |
779 | \r |
780 | @param[in] DriverBindingHandle The handle with Driver Binding protocol on it.\r |
781 | @param[in] ControllerHandle The handle with Device Path protocol on it.\r |
782 | @param[in] MatchingHandleCount The pointer to UINTN that specifies the number of HANDLES in\r |
783 | MatchingHandleBuffer.\r |
784 | @param[out] MatchingHandleBuffer On a successful return, a buffer of MatchingHandleCount\r |
785 | EFI_HANDLEs with a terminating NULL EFI_HANDLE.\r |
786 | @param[out] HandleType An array of type information.\r |
787 | \r |
788 | @retval EFI_SUCCESS The operation was successful, and any related handles\r |
789 | are in MatchingHandleBuffer.\r |
790 | @retval EFI_NOT_FOUND No matching handles were found.\r |
791 | @retval EFI_INVALID_PARAMETER A parameter was invalid or out of range.\r |
792 | **/\r |
793 | EFI_STATUS\r |
794 | EFIAPI\r |
795 | ParseHandleDatabaseByRelationshipWithType (\r |
796 | IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,\r |
797 | IN CONST EFI_HANDLE ControllerHandle OPTIONAL,\r |
798 | IN UINTN *HandleCount,\r |
799 | OUT EFI_HANDLE **HandleBuffer,\r |
800 | OUT UINTN **HandleType\r |
801 | )\r |
802 | {\r |
803 | EFI_STATUS Status;\r |
804 | UINTN HandleIndex;\r |
805 | EFI_GUID **ProtocolGuidArray;\r |
806 | UINTN ArrayCount;\r |
807 | UINTN ProtocolIndex;\r |
808 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;\r |
809 | UINTN OpenInfoCount;\r |
810 | UINTN OpenInfoIndex;\r |
811 | UINTN ChildIndex;\r |
812 | \r |
813 | ASSERT(HandleCount != NULL);\r |
814 | ASSERT(HandleBuffer != NULL);\r |
815 | ASSERT(HandleType != NULL);\r |
816 | ASSERT(DriverBindingHandle != NULL || ControllerHandle != NULL);\r |
817 | \r |
818 | *HandleCount = 0;\r |
819 | *HandleBuffer = NULL;\r |
820 | *HandleType = NULL;\r |
821 | \r |
822 | //\r |
823 | // Retrieve the list of all handles from the handle database\r |
824 | //\r |
825 | Status = gBS->LocateHandleBuffer (\r |
826 | AllHandles,\r |
827 | NULL,\r |
828 | NULL,\r |
829 | HandleCount,\r |
830 | HandleBuffer\r |
831 | );\r |
832 | if (EFI_ERROR (Status)) {\r |
833 | return (Status);\r |
834 | }\r |
835 | \r |
836 | *HandleType = AllocateZeroPool (*HandleCount * sizeof (UINTN));\r |
837 | ASSERT(*HandleType != NULL);\r |
838 | \r |
839 | for (HandleIndex = 0; HandleIndex < *HandleCount; HandleIndex++) {\r |
840 | //\r |
841 | // Retrieve the list of all the protocols on each handle\r |
842 | //\r |
843 | Status = gBS->ProtocolsPerHandle (\r |
844 | (*HandleBuffer)[HandleIndex],\r |
845 | &ProtocolGuidArray,\r |
846 | &ArrayCount\r |
847 | );\r |
848 | if (!EFI_ERROR (Status)) {\r |
849 | \r |
850 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r |
851 | \r |
852 | //\r |
853 | // Set the bit describing what this handle has\r |
854 | //\r |
855 | if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiLoadedImageProtocolGuid) ) {\r |
856 | (*HandleType)[HandleIndex] |= HR_IMAGE_HANDLE;\r |
857 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverBindingProtocolGuid) ) {\r |
858 | (*HandleType)[HandleIndex] |= HR_DRIVER_BINDING_HANDLE;\r |
859 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverConfiguration2ProtocolGuid)) {\r |
860 | (*HandleType)[HandleIndex] |= HR_DRIVER_CONFIGURATION_HANDLE;\r |
861 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverConfigurationProtocolGuid) ) {\r |
862 | (*HandleType)[HandleIndex] |= HR_DRIVER_CONFIGURATION_HANDLE;\r |
863 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverDiagnostics2ProtocolGuid) ) {\r |
864 | (*HandleType)[HandleIndex] |= HR_DRIVER_DIAGNOSTICS_HANDLE;\r |
865 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverDiagnosticsProtocolGuid) ) {\r |
866 | (*HandleType)[HandleIndex] |= HR_DRIVER_DIAGNOSTICS_HANDLE;\r |
867 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiComponentName2ProtocolGuid) ) {\r |
868 | (*HandleType)[HandleIndex] |= HR_COMPONENT_NAME_HANDLE;\r |
869 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiComponentNameProtocolGuid) ) {\r |
870 | (*HandleType)[HandleIndex] |= HR_COMPONENT_NAME_HANDLE;\r |
871 | } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDevicePathProtocolGuid) ) {\r |
872 | (*HandleType)[HandleIndex] |= HR_DEVICE_HANDLE;\r |
873 | } else {\r |
874 | DEBUG_CODE_BEGIN();\r |
875 | ASSERT((*HandleType)[HandleIndex] == (*HandleType)[HandleIndex]);\r |
876 | DEBUG_CODE_END();\r |
877 | }\r |
878 | //\r |
879 | // Retrieve the list of agents that have opened each protocol\r |
880 | //\r |
881 | Status = gBS->OpenProtocolInformation (\r |
882 | (*HandleBuffer)[HandleIndex],\r |
883 | ProtocolGuidArray[ProtocolIndex],\r |
884 | &OpenInfo,\r |
885 | &OpenInfoCount\r |
886 | );\r |
887 | if (!EFI_ERROR (Status)) {\r |
888 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r |
889 | if (DriverBindingHandle != NULL && OpenInfo[OpenInfoIndex].AgentHandle == DriverBindingHandle) {\r |
890 | if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) == EFI_OPEN_PROTOCOL_BY_DRIVER) {\r |
891 | (*HandleType)[HandleIndex] |= (HR_DEVICE_HANDLE | HR_CONTROLLER_HANDLE);\r |
892 | }\r |
893 | if (ControllerHandle != NULL && (*HandleBuffer)[HandleIndex] == ControllerHandle) {\r |
894 | if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {\r |
895 | for (ChildIndex = 0; ChildIndex < *HandleCount; ChildIndex++) {\r |
896 | if ((*HandleBuffer)[ChildIndex] == OpenInfo[OpenInfoIndex].ControllerHandle) {\r |
897 | (*HandleType)[ChildIndex] |= (HR_DEVICE_HANDLE | HR_CHILD_HANDLE);\r |
898 | }\r |
899 | }\r |
900 | }\r |
901 | }\r |
902 | }\r |
903 | if (DriverBindingHandle == NULL && OpenInfo[OpenInfoIndex].ControllerHandle == ControllerHandle) {\r |
904 | if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) == EFI_OPEN_PROTOCOL_BY_DRIVER) {\r |
905 | for (ChildIndex = 0; ChildIndex < *HandleCount; ChildIndex++) {\r |
906 | if ((*HandleBuffer)[ChildIndex] == OpenInfo[OpenInfoIndex].AgentHandle) {\r |
907 | (*HandleType)[ChildIndex] |= HR_DEVICE_DRIVER;\r |
908 | }\r |
909 | }\r |
910 | }\r |
911 | if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {\r |
912 | (*HandleType)[HandleIndex] |= HR_PARENT_HANDLE;\r |
913 | for (ChildIndex = 0; ChildIndex < *HandleCount; ChildIndex++) {\r |
914 | if ((*HandleBuffer)[ChildIndex] == OpenInfo[OpenInfoIndex].AgentHandle) {\r |
915 | (*HandleType)[ChildIndex] |= HR_BUS_DRIVER;\r |
916 | }\r |
917 | }\r |
918 | }\r |
919 | }\r |
920 | }\r |
921 | \r |
922 | FreePool (OpenInfo);\r |
923 | }\r |
924 | }\r |
925 | \r |
926 | FreePool (ProtocolGuidArray);\r |
927 | }\r |
928 | }\r |
929 | \r |
930 | if (EFI_ERROR(Status)) {\r |
931 | if (*HandleType != NULL) {\r |
932 | FreePool (*HandleType);\r |
933 | }\r |
934 | if (*HandleBuffer != NULL) {\r |
935 | FreePool (*HandleBuffer);\r |
936 | }\r |
937 | \r |
938 | *HandleCount = 0;\r |
939 | *HandleBuffer = NULL;\r |
940 | *HandleType = NULL;\r |
941 | }\r |
942 | \r |
943 | return Status;\r |
944 | }\r |
945 | \r |
946 | /**\r |
947 | Gets all the related EFI_HANDLEs based on the single EFI_HANDLE and the mask\r |
948 | supplied.\r |
949 | \r |
950 | This function will scan all EFI_HANDLES in the UEFI environment's handle database\r |
951 | and return all the ones with the specified relationship (Mask) to the specified\r |
952 | controller handle.\r |
953 | \r |
954 | If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.\r |
955 | If MatchingHandleCount is NULL, then ASSERT.\r |
956 | \r |
957 | If MatchingHandleBuffer is not NULL upon a sucessful return the memory must be\r |
958 | caller freed.\r |
959 | \r |
960 | @param[in] DriverBindingHandle Handle to a object with Driver Binding protocol\r |
961 | on it.\r |
962 | @param[in] ControllerHandle Handle to a device with Device Path protocol on it.\r |
963 | @param[in] Mask Mask of what relationship(s) is desired.\r |
964 | @param[in] MatchingHandleCount Poitner to UINTN specifying number of HANDLES in\r |
965 | MatchingHandleBuffer.\r |
966 | @param[out] MatchingHandleBuffer On a sucessful return a buffer of MatchingHandleCount\r |
967 | EFI_HANDLEs and a terminating NULL EFI_HANDLE.\r |
968 | \r |
969 | @retval EFI_SUCCESS The operation was sucessful and any related handles\r |
970 | are in MatchingHandleBuffer;\r |
971 | @retval EFI_NOT_FOUND No matching handles were found.\r |
972 | @retval EFI_INVALID_PARAMETER A parameter was invalid or out of range.\r |
973 | **/\r |
974 | EFI_STATUS\r |
975 | EFIAPI\r |
976 | ParseHandleDatabaseByRelationship (\r |
977 | IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,\r |
978 | IN CONST EFI_HANDLE ControllerHandle OPTIONAL,\r |
979 | IN CONST UINTN Mask,\r |
980 | IN UINTN *MatchingHandleCount,\r |
981 | OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL\r |
982 | )\r |
983 | {\r |
984 | EFI_STATUS Status;\r |
985 | UINTN HandleCount;\r |
986 | EFI_HANDLE *HandleBuffer;\r |
987 | UINTN *HandleType;\r |
988 | UINTN HandleIndex;\r |
989 | \r |
990 | ASSERT(MatchingHandleCount != NULL);\r |
991 | ASSERT(DriverBindingHandle != NULL || ControllerHandle != NULL);\r |
992 | \r |
993 | if ((Mask & HR_VALID_MASK) != Mask) {\r |
994 | return (EFI_INVALID_PARAMETER);\r |
995 | }\r |
996 | \r |
997 | if ((Mask & HR_CHILD_HANDLE) != 0 && DriverBindingHandle == NULL) {\r |
998 | return (EFI_INVALID_PARAMETER);\r |
999 | }\r |
1000 | \r |
1001 | *MatchingHandleCount = 0;\r |
1002 | if (MatchingHandleBuffer != NULL) {\r |
1003 | *MatchingHandleBuffer = NULL;\r |
1004 | }\r |
1005 | \r |
1006 | HandleBuffer = NULL;\r |
1007 | HandleType = NULL;\r |
1008 | \r |
1009 | Status = ParseHandleDatabaseByRelationshipWithType (\r |
1010 | DriverBindingHandle,\r |
1011 | ControllerHandle,\r |
1012 | &HandleCount,\r |
1013 | &HandleBuffer,\r |
1014 | &HandleType\r |
1015 | );\r |
1016 | if (!EFI_ERROR (Status)) {\r |
1017 | //\r |
1018 | // Count the number of handles that match the attributes in Mask\r |
1019 | //\r |
1020 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r |
1021 | if ((HandleType[HandleIndex] & Mask) == Mask) {\r |
1022 | (*MatchingHandleCount)++;\r |
1023 | }\r |
1024 | }\r |
1025 | //\r |
1026 | // If no handles match the attributes in Mask then return EFI_NOT_FOUND\r |
1027 | //\r |
1028 | if (*MatchingHandleCount == 0) {\r |
1029 | Status = EFI_NOT_FOUND;\r |
1030 | } else {\r |
1031 | \r |
1032 | if (MatchingHandleBuffer == NULL) {\r |
1033 | //\r |
1034 | // Someone just wanted the count...\r |
1035 | //\r |
1036 | Status = EFI_SUCCESS;\r |
1037 | } else {\r |
1038 | //\r |
1039 | // Allocate a handle buffer for the number of handles that matched the attributes in Mask\r |
1040 | //\r |
1041 | *MatchingHandleBuffer = AllocatePool ((*MatchingHandleCount +1)* sizeof (EFI_HANDLE));\r |
1042 | ASSERT(*MatchingHandleBuffer != NULL);\r |
1043 | \r |
1044 | for (HandleIndex = 0,*MatchingHandleCount = 0\r |
1045 | ; HandleIndex < HandleCount\r |
1046 | ; HandleIndex++\r |
1047 | ){\r |
1048 | //\r |
1049 | // Fill the allocated buffer with the handles that matched the attributes in Mask\r |
1050 | //\r |
1051 | if ((HandleType[HandleIndex] & Mask) == Mask) {\r |
1052 | (*MatchingHandleBuffer)[(*MatchingHandleCount)++] = HandleBuffer[HandleIndex];\r |
1053 | }\r |
1054 | }\r |
1055 | \r |
1056 | //\r |
1057 | // Make the last one NULL\r |
1058 | //\r |
1059 | (*MatchingHandleBuffer)[*MatchingHandleCount] = NULL;\r |
1060 | \r |
1061 | Status = EFI_SUCCESS;\r |
1062 | } // MacthingHandleBuffer == NULL (ELSE)\r |
1063 | } // *MatchingHandleCount == 0 (ELSE)\r |
1064 | } // no error on ParseHandleDatabaseByRelationshipWithType\r |
1065 | \r |
1066 | if (HandleBuffer != NULL) {\r |
1067 | FreePool (HandleBuffer);\r |
1068 | }\r |
1069 | \r |
1070 | if (HandleType != NULL) {\r |
1071 | FreePool (HandleType);\r |
1072 | }\r |
1073 | \r |
1074 | return Status;\r |
1075 | }\r |
1076 | \r |
1077 | /**\r |
1078 | Gets handles for any child controllers of the passed in controller.\r |
1079 | \r |
1080 | @param[in] ControllerHandle The handle of the "parent controller"\r |
1081 | @param[in] MatchingHandleCount Pointer to the number of handles in\r |
1082 | MatchingHandleBuffer on return.\r |
1083 | @param[out] MatchingHandleBuffer Buffer containing handles on a successful\r |
1084 | return.\r |
1085 | \r |
1086 | \r |
1087 | @retval EFI_SUCCESS The operation was sucessful.\r |
1088 | **/\r |
1089 | EFI_STATUS\r |
1090 | EFIAPI\r |
1091 | ParseHandleDatabaseForChildControllers(\r |
1092 | IN CONST EFI_HANDLE ControllerHandle,\r |
1093 | IN UINTN *MatchingHandleCount,\r |
1094 | OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL\r |
1095 | )\r |
1096 | {\r |
1097 | EFI_STATUS Status;\r |
1098 | UINTN HandleIndex;\r |
1099 | UINTN DriverBindingHandleCount;\r |
1100 | EFI_HANDLE *DriverBindingHandleBuffer;\r |
1101 | UINTN DriverBindingHandleIndex;\r |
1102 | UINTN ChildControllerHandleCount;\r |
1103 | EFI_HANDLE *ChildControllerHandleBuffer;\r |
1104 | UINTN ChildControllerHandleIndex;\r |
1105 | BOOLEAN Found;\r |
1106 | EFI_HANDLE *HandleBufferForReturn;\r |
1107 | \r |
1108 | ASSERT (MatchingHandleCount != NULL);\r |
1109 | \r |
1110 | Status = PARSE_HANDLE_DATABASE_UEFI_DRIVERS (\r |
1111 | ControllerHandle,\r |
1112 | &DriverBindingHandleCount,\r |
1113 | &DriverBindingHandleBuffer\r |
1114 | );\r |
1115 | if (EFI_ERROR (Status)) {\r |
1116 | return Status;\r |
1117 | }\r |
1118 | \r |
1119 | HandleBufferForReturn = GetHandleListByPotocol(&gEfiDriverBindingProtocolGuid);\r |
1120 | if (HandleBufferForReturn == NULL) {\r |
1121 | FreePool (DriverBindingHandleBuffer);\r |
1122 | return Status;\r |
1123 | }\r |
1124 | \r |
1125 | *MatchingHandleCount = 0;\r |
1126 | for (DriverBindingHandleIndex = 0; DriverBindingHandleIndex < DriverBindingHandleCount; DriverBindingHandleIndex++) {\r |
1127 | Status = PARSE_HANDLE_DATABASE_MANAGED_CHILDREN (\r |
1128 | DriverBindingHandleBuffer[DriverBindingHandleIndex],\r |
1129 | ControllerHandle,\r |
1130 | &ChildControllerHandleCount,\r |
1131 | &ChildControllerHandleBuffer\r |
1132 | );\r |
1133 | if (EFI_ERROR (Status)) {\r |
1134 | continue;\r |
1135 | }\r |
1136 | \r |
1137 | for (ChildControllerHandleIndex = 0;\r |
1138 | ChildControllerHandleIndex < ChildControllerHandleCount;\r |
1139 | ChildControllerHandleIndex++\r |
1140 | ) {\r |
1141 | Found = FALSE;\r |
1142 | for (HandleIndex = 0; HandleBufferForReturn[HandleIndex] != NULL; HandleIndex++) {\r |
1143 | if (HandleBufferForReturn[HandleIndex] == ChildControllerHandleBuffer[ChildControllerHandleIndex]) {\r |
1144 | Found = TRUE;\r |
1145 | break;\r |
1146 | }\r |
1147 | }\r |
1148 | \r |
1149 | if (!Found) {\r |
1150 | HandleBufferForReturn[(*MatchingHandleCount)++] = ChildControllerHandleBuffer[ChildControllerHandleIndex];\r |
1151 | }\r |
1152 | }\r |
1153 | \r |
1154 | FreePool (ChildControllerHandleBuffer);\r |
1155 | }\r |
1156 | \r |
1157 | FreePool (DriverBindingHandleBuffer);\r |
1158 | \r |
1159 | if (MatchingHandleBuffer != NULL) {\r |
1160 | *MatchingHandleBuffer = HandleBufferForReturn;\r |
1161 | } else {\r |
1162 | FreePool(HandleBufferForReturn);\r |
1163 | }\r |
1164 | \r |
1165 | return (EFI_SUCCESS);\r |
1166 | }\r |
1167 | \r |
1168 | /**\r |
1169 | Appends 1 buffer to another buffer. This will re-allocate the destination buffer\r |
1170 | if necessary to fit all of the data.\r |
1171 | \r |
1172 | If DestinationBuffer is NULL, then ASSERT().\r |
1173 | \r |
1174 | @param[in,out] DestinationBuffer The pointer to the pointer to the buffer to append onto.\r |
1175 | @param[in,out] DestinationSize The pointer to the size of DestinationBuffer.\r |
1176 | @param[in] SourceBuffer The pointer to the buffer to append onto DestinationBuffer.\r |
1177 | @param[in] SourceSize The number of bytes of SourceBuffer to append.\r |
1178 | \r |
1179 | @retval NULL A memory allocation failed.\r |
1180 | @retval NULL A parameter was invalid.\r |
1181 | @return A pointer to (*DestinationBuffer).\r |
1182 | **/\r |
1183 | VOID*\r |
1184 | EFIAPI\r |
1185 | BuffernCatGrow (\r |
1186 | IN OUT VOID **DestinationBuffer,\r |
1187 | IN OUT UINTN *DestinationSize,\r |
1188 | IN VOID *SourceBuffer,\r |
1189 | IN UINTN SourceSize\r |
1190 | )\r |
1191 | {\r |
1192 | UINTN LocalDestinationSize;\r |
1193 | UINTN LocalDestinationFinalSize;\r |
1194 | \r |
1195 | ASSERT(DestinationBuffer != NULL);\r |
1196 | \r |
1197 | if (SourceSize == 0 || SourceBuffer == NULL) {\r |
1198 | return (*DestinationBuffer);\r |
1199 | }\r |
1200 | \r |
1201 | if (DestinationSize == NULL) {\r |
1202 | LocalDestinationSize = 0;\r |
1203 | } else {\r |
1204 | LocalDestinationSize = *DestinationSize;\r |
1205 | }\r |
1206 | \r |
1207 | LocalDestinationFinalSize = LocalDestinationSize + SourceSize;\r |
1208 | \r |
1209 | if (DestinationSize != NULL) {\r |
1210 | *DestinationSize = LocalDestinationSize;\r |
1211 | }\r |
1212 | \r |
1213 | if (LocalDestinationSize == 0) {\r |
1214 | // allcoate\r |
1215 | *DestinationBuffer = AllocatePool(LocalDestinationFinalSize);\r |
1216 | } else {\r |
1217 | // reallocate\r |
1218 | *DestinationBuffer = ReallocatePool(LocalDestinationSize, LocalDestinationFinalSize, *DestinationBuffer);\r |
1219 | }\r |
1220 | \r |
1221 | ASSERT(*DestinationBuffer != NULL);\r |
1222 | \r |
1223 | // copy\r |
1224 | return (CopyMem(((UINT8*)(*DestinationBuffer)) + LocalDestinationSize, SourceBuffer, SourceSize));\r |
1225 | }\r |
1226 | \r |
1227 | /**\r |
1228 | Gets handles for any child devices produced by the passed in driver.\r |
1229 | \r |
1230 | @param[in] DriverHandle The handle of the driver.\r |
1231 | @param[in] MatchingHandleCount Pointer to the number of handles in\r |
1232 | MatchingHandleBuffer on return.\r |
1233 | @param[out] MatchingHandleBuffer Buffer containing handles on a successful\r |
1234 | return.\r |
1235 | @retval EFI_SUCCESS The operation was sucessful.\r |
1236 | @sa ParseHandleDatabaseByRelationship\r |
1237 | **/\r |
1238 | EFI_STATUS\r |
1239 | EFIAPI\r |
1240 | ParseHandleDatabaseForChildDevices(\r |
1241 | IN CONST EFI_HANDLE DriverHandle,\r |
1242 | IN UINTN *MatchingHandleCount,\r |
1243 | OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL\r |
1244 | )\r |
1245 | {\r |
1246 | EFI_HANDLE *Buffer;\r |
1247 | EFI_HANDLE *Buffer2;\r |
1248 | UINTN Count1;\r |
1249 | UINTN Count2;\r |
1250 | UINTN HandleIndex;\r |
1251 | EFI_STATUS Status;\r |
1252 | UINTN HandleBufferSize;\r |
1253 | \r |
1254 | ASSERT(MatchingHandleCount != NULL);\r |
1255 | \r |
1256 | HandleBufferSize = 0;\r |
1257 | Buffer = NULL;\r |
1258 | Buffer2 = NULL;\r |
1259 | *MatchingHandleCount = 0;\r |
1260 | \r |
1261 | Status = PARSE_HANDLE_DATABASE_DEVICES (\r |
1262 | DriverHandle,\r |
1263 | &Count1,\r |
1264 | &Buffer\r |
1265 | );\r |
1266 | if (!EFI_ERROR (Status)) {\r |
1267 | for (HandleIndex = 0; HandleIndex < Count1; HandleIndex++) {\r |
1268 | //\r |
1269 | // now find the children\r |
1270 | //\r |
1271 | Status = PARSE_HANDLE_DATABASE_MANAGED_CHILDREN (\r |
1272 | DriverHandle,\r |
1273 | Buffer[HandleIndex],\r |
1274 | &Count2,\r |
1275 | &Buffer2\r |
1276 | );\r |
1277 | if (EFI_ERROR(Status)) {\r |
1278 | break;\r |
1279 | }\r |
1280 | //\r |
1281 | // save out required and optional data elements\r |
1282 | //\r |
1283 | *MatchingHandleCount += Count2;\r |
1284 | if (MatchingHandleBuffer != NULL) {\r |
1285 | *MatchingHandleBuffer = BuffernCatGrow((VOID**)MatchingHandleBuffer, &HandleBufferSize, Buffer2, Count2 * sizeof(Buffer2[0]));\r |
1286 | }\r |
1287 | \r |
1288 | //\r |
1289 | // free the memory\r |
1290 | //\r |
1291 | if (Buffer2 != NULL) {\r |
1292 | FreePool(Buffer2);\r |
1293 | }\r |
1294 | }\r |
1295 | }\r |
1296 | \r |
1297 | if (Buffer != NULL) {\r |
1298 | FreePool(Buffer);\r |
1299 | }\r |
1300 | return (Status);\r |
1301 | }\r |
1302 | \r |
1303 | /**\r |
1304 | Function to get all handles that support a given protocol or all handles.\r |
1305 | \r |
1306 | @param[in] ProtocolGuid The guid of the protocol to get handles for. If NULL\r |
1307 | then the function will return all handles.\r |
1308 | \r |
1309 | @retval NULL A memory allocation failed.\r |
1310 | @return A NULL terminated list of handles.\r |
1311 | **/\r |
1312 | EFI_HANDLE*\r |
1313 | EFIAPI\r |
1314 | GetHandleListByPotocol (\r |
1315 | IN CONST EFI_GUID *ProtocolGuid OPTIONAL\r |
1316 | )\r |
1317 | {\r |
1318 | EFI_HANDLE *HandleList;\r |
1319 | UINTN Size;\r |
1320 | EFI_STATUS Status;\r |
1321 | \r |
1322 | Size = 0;\r |
1323 | HandleList = NULL;\r |
1324 | \r |
1325 | //\r |
1326 | // We cannot use LocateHandleBuffer since we need that NULL item on the ends of the list!\r |
1327 | //\r |
1328 | if (ProtocolGuid == NULL) {\r |
1329 | Status = gBS->LocateHandle(AllHandles, NULL, NULL, &Size, HandleList);\r |
1330 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
1331 | HandleList = AllocatePool(Size + sizeof(EFI_HANDLE));\r |
1332 | Status = gBS->LocateHandle(AllHandles, NULL, NULL, &Size, HandleList);\r |
1333 | HandleList[Size/sizeof(EFI_HANDLE)] = NULL;\r |
1334 | }\r |
1335 | } else {\r |
1336 | Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)ProtocolGuid, NULL, &Size, HandleList);\r |
1337 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
1338 | HandleList = AllocatePool(Size + sizeof(EFI_HANDLE));\r |
1339 | Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)ProtocolGuid, NULL, &Size, HandleList);\r |
1340 | HandleList[Size/sizeof(EFI_HANDLE)] = NULL;\r |
1341 | }\r |
1342 | }\r |
1343 | if (EFI_ERROR(Status)) {\r |
1344 | if (HandleList != NULL) {\r |
1345 | FreePool(HandleList);\r |
1346 | }\r |
1347 | return (NULL);\r |
1348 | }\r |
1349 | return (HandleList);\r |
1350 | }\r |
1351 | \r |
1352 | /**\r |
1353 | Function to get all handles that support some protocols.\r |
1354 | \r |
1355 | @param[in] ProtocolGuids A NULL terminated list of protocol GUIDs.\r |
1356 | \r |
1357 | @retval NULL A memory allocation failed.\r |
1358 | @return A NULL terminated list of handles.\r |
1359 | **/\r |
1360 | EFI_HANDLE*\r |
1361 | EFIAPI\r |
1362 | GetHandleListByPotocolList (\r |
1363 | IN CONST EFI_GUID **ProtocolGuids\r |
1364 | )\r |
1365 | {\r |
1366 | EFI_HANDLE *HandleList;\r |
1367 | UINTN Size;\r |
1368 | UINTN TotalSize;\r |
1369 | EFI_STATUS Status;\r |
1370 | CONST EFI_GUID **GuidWalker;\r |
1371 | EFI_HANDLE *HandleWalker1;\r |
1372 | EFI_HANDLE *HandleWalker2;\r |
1373 | \r |
1374 | Size = 0;\r |
1375 | HandleList = NULL;\r |
1376 | TotalSize = sizeof(EFI_HANDLE);\r |
1377 | \r |
1378 | for (GuidWalker = ProtocolGuids ; GuidWalker != NULL && *GuidWalker != NULL ; GuidWalker++,Size = 0){\r |
1379 | Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)(*GuidWalker), NULL, &Size, NULL);\r |
1380 | if (Status == EFI_BUFFER_TOO_SMALL) {\r |
1381 | TotalSize += Size;\r |
1382 | }\r |
1383 | }\r |
1384 | HandleList = AllocatePool(TotalSize);\r |
1385 | ASSERT(HandleList != NULL);\r |
1386 | if (HandleList == NULL) {\r |
1387 | return (NULL);\r |
1388 | }\r |
1389 | \r |
1390 | Size = 0;\r |
1391 | for (GuidWalker = ProtocolGuids ; GuidWalker != NULL && *GuidWalker != NULL ; GuidWalker++){\r |
1392 | Size = TotalSize - Size;\r |
1393 | Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)(*GuidWalker), NULL, &Size, HandleList+((TotalSize - Size)/sizeof(EFI_HANDLE)));\r |
1394 | ASSERT_EFI_ERROR(Status);\r |
1395 | }\r |
1396 | HandleList[(TotalSize/sizeof(EFI_HANDLE))-1] = NULL;\r |
1397 | \r |
1398 | for (HandleWalker1 = HandleList ; HandleWalker1 != NULL && *HandleWalker1 != NULL ; HandleWalker1++) {\r |
1399 | for (HandleWalker2 = HandleWalker1 + 1; HandleWalker2 != NULL && *HandleWalker2 != NULL ; HandleWalker2++) {\r |
1400 | if (*HandleWalker1 == *HandleWalker2) {\r |
1401 | //\r |
1402 | // copy memory back 1 handle width.\r |
1403 | //\r |
1404 | CopyMem(HandleWalker2, HandleWalker2 + 1, TotalSize - ((HandleWalker2-HandleList+1)*sizeof(EFI_HANDLE)));\r |
1405 | }\r |
1406 | }\r |
1407 | }\r |
1408 | \r |
1409 | return (HandleList);\r |
1410 | }\r |
1411 | \r |
1412 | \r |
1413 | \r |
1414 | \r |
1415 | \r |
1416 | \r |
1417 | \r |
1418 | \r |
1419 | \r |
1420 | \r |