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1 | /** @file\r | |
2 | Process Capsule On Disk.\r | |
3 | \r | |
4 | Copyright (c) 2019, 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 | #include <Uefi.h>\r | |
15 | #include <Library/BaseLib.h>\r | |
16 | #include <Library/DebugLib.h>\r | |
17 | #include <Library/BaseMemoryLib.h>\r | |
18 | #include <Library/MemoryAllocationLib.h>\r | |
19 | #include <Library/UefiBootServicesTableLib.h>\r | |
20 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
21 | #include <Library/UefiLib.h>\r | |
22 | #include <Library/PrintLib.h>\r | |
23 | #include <Library/DevicePathLib.h>\r | |
24 | #include <Library/FileHandleLib.h>\r | |
25 | #include <Library/UefiBootManagerLib.h>\r | |
26 | #include <Protocol/SimpleFileSystem.h>\r | |
27 | #include <Protocol/Shell.h>\r | |
28 | #include <Guid/FileInfo.h>\r | |
29 | #include <Guid/GlobalVariable.h>\r | |
30 | #include <Guid/Gpt.h>\r | |
31 | \r | |
32 | EFI_GUID mCapsuleOnDiskBootOptionGuid = { 0x4CC29BB7, 0x2413, 0x40A2, { 0xB0, 0x6D, 0x25, 0x3E, 0x37, 0x10, 0xF5, 0x32 } };\r | |
33 | \r | |
34 | /**\r | |
35 | Get shell protocol.\r | |
36 | \r | |
37 | @return Pointer to shell protocol.\r | |
38 | \r | |
39 | **/\r | |
40 | EFI_SHELL_PROTOCOL *\r | |
41 | GetShellProtocol (\r | |
42 | VOID\r | |
43 | );\r | |
44 | \r | |
45 | /**\r | |
46 | Get file name from file path.\r | |
47 | \r | |
48 | @param FilePath File path.\r | |
49 | \r | |
50 | @return Pointer to file name.\r | |
51 | \r | |
52 | **/\r | |
53 | CHAR16 *\r | |
54 | GetFileNameFromPath (\r | |
55 | CHAR16 *FilePath\r | |
56 | )\r | |
57 | {\r | |
58 | EFI_STATUS Status;\r | |
59 | EFI_SHELL_PROTOCOL *ShellProtocol;\r | |
60 | SHELL_FILE_HANDLE Handle;\r | |
61 | EFI_FILE_INFO *FileInfo;\r | |
62 | \r | |
63 | ShellProtocol = GetShellProtocol ();\r | |
64 | if (ShellProtocol == NULL) {\r | |
65 | return NULL;\r | |
66 | }\r | |
67 | \r | |
68 | //\r | |
69 | // Open file by FileName.\r | |
70 | //\r | |
71 | Status = ShellProtocol->OpenFileByName (\r | |
72 | FilePath,\r | |
73 | &Handle,\r | |
74 | EFI_FILE_MODE_READ\r | |
75 | );\r | |
76 | if (EFI_ERROR (Status)) {\r | |
77 | return NULL;\r | |
78 | }\r | |
79 | \r | |
80 | //\r | |
81 | // Get file name from EFI_FILE_INFO.\r | |
82 | //\r | |
83 | FileInfo = ShellProtocol->GetFileInfo (Handle);\r | |
84 | ShellProtocol->CloseFile (Handle);\r | |
85 | if (FileInfo == NULL) {\r | |
86 | return NULL;\r | |
87 | }\r | |
88 | \r | |
89 | return FileInfo->FileName;\r | |
90 | }\r | |
91 | \r | |
92 | /**\r | |
93 | Check if the device path is EFI system Partition.\r | |
94 | \r | |
95 | @param DevicePath The ESP device path.\r | |
96 | \r | |
97 | @retval TRUE DevicePath is a device path for ESP.\r | |
98 | @retval FALSE DevicePath is not a device path for ESP.\r | |
99 | \r | |
100 | **/\r | |
101 | BOOLEAN\r | |
102 | IsEfiSysPartitionDevicePath (\r | |
103 | EFI_DEVICE_PATH_PROTOCOL *DevicePath\r | |
104 | )\r | |
105 | {\r | |
106 | EFI_STATUS Status;\r | |
107 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
108 | HARDDRIVE_DEVICE_PATH *Hd;\r | |
109 | EFI_HANDLE Handle;\r | |
110 | \r | |
111 | //\r | |
112 | // Check if the device path contains GPT node\r | |
113 | //\r | |
114 | TempDevicePath = DevicePath;\r | |
115 | \r | |
116 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
117 | if ((DevicePathType (TempDevicePath) == MEDIA_DEVICE_PATH) &&\r | |
118 | (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP)) {\r | |
119 | Hd = (HARDDRIVE_DEVICE_PATH *)TempDevicePath;\r | |
120 | if (Hd->MBRType == MBR_TYPE_EFI_PARTITION_TABLE_HEADER) {\r | |
121 | break;\r | |
122 | }\r | |
123 | }\r | |
124 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
125 | }\r | |
126 | \r | |
127 | if (!IsDevicePathEnd (TempDevicePath)) {\r | |
128 | //\r | |
129 | // Search for EFI system partition protocol on full device path in Boot Option\r | |
130 | //\r | |
131 | Status = gBS->LocateDevicePath (&gEfiPartTypeSystemPartGuid, &DevicePath, &Handle);\r | |
132 | return EFI_ERROR (Status) ? FALSE : TRUE;\r | |
133 | } else {\r | |
134 | return FALSE;\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | /**\r | |
139 | Dump all EFI System Partition.\r | |
140 | \r | |
141 | **/\r | |
142 | VOID\r | |
143 | DumpAllEfiSysPartition (\r | |
144 | VOID\r | |
145 | )\r | |
146 | {\r | |
147 | EFI_HANDLE *SimpleFileSystemHandles;\r | |
148 | UINTN NumberSimpleFileSystemHandles;\r | |
149 | UINTN Index;\r | |
150 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
151 | UINTN NumberEfiSystemPartitions;\r | |
152 | EFI_SHELL_PROTOCOL *ShellProtocol;\r | |
153 | \r | |
154 | NumberEfiSystemPartitions = 0;\r | |
155 | \r | |
156 | ShellProtocol = GetShellProtocol ();\r | |
157 | if (ShellProtocol == NULL) {\r | |
158 | Print (L"Get Shell Protocol Fail\n");;\r | |
159 | return ;\r | |
160 | }\r | |
161 | \r | |
162 | Print (L"EFI System Partition list:\n");\r | |
163 | \r | |
164 | gBS->LocateHandleBuffer (\r | |
165 | ByProtocol,\r | |
166 | &gEfiSimpleFileSystemProtocolGuid,\r | |
167 | NULL,\r | |
168 | &NumberSimpleFileSystemHandles,\r | |
169 | &SimpleFileSystemHandles\r | |
170 | );\r | |
171 | \r | |
172 | for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {\r | |
173 | DevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);\r | |
174 | if (IsEfiSysPartitionDevicePath (DevicePath)) {\r | |
175 | NumberEfiSystemPartitions++;\r | |
176 | Print(L" %s\n %s\n", ShellProtocol->GetMapFromDevicePath (&DevicePath), ConvertDevicePathToText (DevicePath, TRUE, TRUE));\r | |
177 | }\r | |
178 | }\r | |
179 | \r | |
180 | if (NumberEfiSystemPartitions == 0) {\r | |
181 | Print(L" No ESP found.\n");\r | |
182 | }\r | |
183 | }\r | |
184 | \r | |
185 | /**\r | |
186 | Check if capsule is provisioned.\r | |
187 | \r | |
188 | @retval TRUE Capsule is provisioned previously.\r | |
189 | @retval FALSE No capsule is provisioned.\r | |
190 | \r | |
191 | **/\r | |
192 | BOOLEAN\r | |
193 | IsCapsuleProvisioned (\r | |
194 | VOID\r | |
195 | )\r | |
196 | {\r | |
197 | EFI_STATUS Status;\r | |
198 | UINT64 OsIndication;\r | |
199 | UINTN DataSize;\r | |
200 | \r | |
201 | OsIndication = 0;\r | |
202 | DataSize = sizeof(UINT64);\r | |
203 | Status = gRT->GetVariable (\r | |
204 | L"OsIndications",\r | |
205 | &gEfiGlobalVariableGuid,\r | |
206 | NULL,\r | |
207 | &DataSize,\r | |
208 | &OsIndication\r | |
209 | );\r | |
210 | if (!EFI_ERROR (Status) &&\r | |
211 | (OsIndication & EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED) != 0) {\r | |
212 | return TRUE;\r | |
213 | }\r | |
214 | \r | |
215 | return FALSE;\r | |
216 | }\r | |
217 | \r | |
218 | /**\r | |
219 | Get one active Efi System Partition.\r | |
220 | \r | |
221 | @param[out] FsDevicePath The device path of Fs\r | |
222 | @param[out] Fs The file system within EfiSysPartition\r | |
223 | \r | |
224 | @retval EFI_SUCCESS Get file system successfully\r | |
225 | @retval EFI_NOT_FOUND No valid file system found\r | |
226 | \r | |
227 | **/\r | |
228 | EFI_STATUS\r | |
229 | GetEfiSysPartition (\r | |
230 | OUT EFI_DEVICE_PATH_PROTOCOL **FsDevicePath,\r | |
231 | OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs\r | |
232 | )\r | |
233 | {\r | |
234 | EFI_HANDLE *SimpleFileSystemHandles;\r | |
235 | UINTN NumberSimpleFileSystemHandles;\r | |
236 | UINTN Index;\r | |
237 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
238 | EFI_STATUS Status;\r | |
239 | \r | |
240 | Status = gBS->LocateHandleBuffer (\r | |
241 | ByProtocol,\r | |
242 | &gEfiSimpleFileSystemProtocolGuid,\r | |
243 | NULL,\r | |
244 | &NumberSimpleFileSystemHandles,\r | |
245 | &SimpleFileSystemHandles\r | |
246 | );\r | |
247 | \r | |
248 | if (EFI_ERROR (Status)) {\r | |
249 | return EFI_NOT_FOUND;\r | |
250 | }\r | |
251 | \r | |
252 | for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {\r | |
253 | DevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);\r | |
254 | if (IsEfiSysPartitionDevicePath (DevicePath)) {\r | |
255 | Status = gBS->HandleProtocol (SimpleFileSystemHandles[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)Fs);\r | |
256 | if (!EFI_ERROR (Status)) {\r | |
257 | *FsDevicePath = DevicePath;\r | |
258 | return EFI_SUCCESS;\r | |
259 | }\r | |
260 | }\r | |
261 | }\r | |
262 | \r | |
263 | return EFI_NOT_FOUND;\r | |
264 | }\r | |
265 | \r | |
266 | /**\r | |
267 | Check if Active Efi System Partition within GPT is in the device path.\r | |
268 | \r | |
269 | @param[in] DevicePath The device path\r | |
270 | @param[out] FsDevicePath The device path of Fs\r | |
271 | @param[out] Fs The file system within EfiSysPartition\r | |
272 | \r | |
273 | @retval EFI_SUCCESS Get file system successfully\r | |
274 | @retval EFI_NOT_FOUND No valid file system found\r | |
275 | @retval others Get file system failed\r | |
276 | \r | |
277 | **/\r | |
278 | EFI_STATUS\r | |
279 | GetEfiSysPartitionFromDevPath (\r | |
280 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
281 | OUT EFI_DEVICE_PATH_PROTOCOL **FsDevicePath,\r | |
282 | OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs\r | |
283 | )\r | |
284 | {\r | |
285 | EFI_STATUS Status;\r | |
286 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
287 | HARDDRIVE_DEVICE_PATH *Hd;\r | |
288 | EFI_HANDLE Handle;\r | |
289 | \r | |
290 | //\r | |
291 | // Check if the device path contains GPT node\r | |
292 | //\r | |
293 | TempDevicePath = DevicePath;\r | |
294 | while (!IsDevicePathEnd (TempDevicePath)) {\r | |
295 | if ((DevicePathType (TempDevicePath) == MEDIA_DEVICE_PATH) &&\r | |
296 | (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP)) {\r | |
297 | Hd = (HARDDRIVE_DEVICE_PATH *)TempDevicePath;\r | |
298 | if (Hd->MBRType == MBR_TYPE_EFI_PARTITION_TABLE_HEADER) {\r | |
299 | break;\r | |
300 | }\r | |
301 | }\r | |
302 | TempDevicePath = NextDevicePathNode (TempDevicePath);\r | |
303 | }\r | |
304 | \r | |
305 | if (!IsDevicePathEnd (TempDevicePath)) {\r | |
306 | //\r | |
307 | // Search for EFI system partition protocol on full device path in Boot Option\r | |
308 | //\r | |
309 | Status = gBS->LocateDevicePath (&gEfiPartTypeSystemPartGuid, &DevicePath, &Handle);\r | |
310 | \r | |
311 | //\r | |
312 | // Search for simple file system on this handler\r | |
313 | //\r | |
314 | if (!EFI_ERROR (Status)) {\r | |
315 | Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)Fs);\r | |
316 | if (!EFI_ERROR (Status)) {\r | |
317 | *FsDevicePath = DevicePathFromHandle (Handle);\r | |
318 | return EFI_SUCCESS;\r | |
319 | }\r | |
320 | }\r | |
321 | }\r | |
322 | \r | |
323 | return EFI_NOT_FOUND;\r | |
324 | }\r | |
325 | \r | |
326 | /**\r | |
327 | Get SimpleFileSystem from boot option file path.\r | |
328 | \r | |
329 | @param[in] DevicePath The file path of boot option\r | |
330 | @param[out] FullPath The full device path of boot device\r | |
331 | @param[out] Fs The file system within EfiSysPartition\r | |
332 | \r | |
333 | @retval EFI_SUCCESS Get file system successfully\r | |
334 | @retval EFI_NOT_FOUND No valid file system found\r | |
335 | @retval others Get file system failed\r | |
336 | \r | |
337 | **/\r | |
338 | EFI_STATUS\r | |
339 | EFIAPI\r | |
340 | GetEfiSysPartitionFromBootOptionFilePath (\r | |
341 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
342 | OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r | |
343 | OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs\r | |
344 | )\r | |
345 | {\r | |
346 | EFI_STATUS Status;\r | |
347 | EFI_DEVICE_PATH_PROTOCOL *CurFullPath;\r | |
348 | EFI_DEVICE_PATH_PROTOCOL *PreFullPath;\r | |
349 | EFI_DEVICE_PATH_PROTOCOL *FsFullPath;\r | |
350 | \r | |
351 | CurFullPath = NULL;\r | |
352 | FsFullPath = NULL;\r | |
353 | //\r | |
354 | // Try every full device Path generated from bootoption\r | |
355 | //\r | |
356 | do {\r | |
357 | PreFullPath = CurFullPath;\r | |
358 | CurFullPath = EfiBootManagerGetNextFullDevicePath (DevicePath, CurFullPath);\r | |
359 | \r | |
360 | if (PreFullPath != NULL) {\r | |
361 | FreePool (PreFullPath);\r | |
362 | }\r | |
363 | \r | |
364 | if (CurFullPath == NULL) {\r | |
365 | //\r | |
366 | // No Active EFI system partition is found in BootOption device path\r | |
367 | //\r | |
368 | Status = EFI_NOT_FOUND;\r | |
369 | break;\r | |
370 | }\r | |
371 | \r | |
372 | DEBUG_CODE (\r | |
373 | CHAR16 *DevicePathStr;\r | |
374 | \r | |
375 | DevicePathStr = ConvertDevicePathToText (CurFullPath, TRUE, TRUE);\r | |
376 | if (DevicePathStr != NULL){\r | |
377 | DEBUG ((DEBUG_INFO, "Full device path %s\n", DevicePathStr));\r | |
378 | FreePool (DevicePathStr);\r | |
379 | }\r | |
380 | );\r | |
381 | \r | |
382 | Status = GetEfiSysPartitionFromDevPath (CurFullPath, &FsFullPath, Fs);\r | |
383 | } while (EFI_ERROR (Status));\r | |
384 | \r | |
385 | if (*Fs != NULL) {\r | |
386 | *FullPath = FsFullPath;\r | |
387 | return EFI_SUCCESS;\r | |
388 | } else {\r | |
389 | return EFI_NOT_FOUND;\r | |
390 | }\r | |
391 | }\r | |
392 | \r | |
393 | /**\r | |
394 | Get a valid SimpleFileSystem within EFI system partition.\r | |
395 | \r | |
396 | @param[in] Map The FS mapping capsule write to\r | |
397 | @param[out] BootNext The value of BootNext Variable\r | |
398 | @param[out] Fs The file system within EfiSysPartition\r | |
399 | @param[out] UpdateBootNext The flag to indicate whether update BootNext Variable\r | |
400 | \r | |
401 | @retval EFI_SUCCESS Get FS successfully\r | |
402 | @retval EFI_NOT_FOUND No valid FS found\r | |
403 | @retval others Get FS failed\r | |
404 | \r | |
405 | **/\r | |
406 | EFI_STATUS\r | |
407 | EFIAPI\r | |
408 | GetUpdateFileSystem (\r | |
409 | IN CHAR16 *Map,\r | |
410 | OUT UINT16 *BootNext,\r | |
411 | OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs,\r | |
412 | OUT BOOLEAN *UpdateBootNext\r | |
413 | )\r | |
414 | {\r | |
415 | EFI_STATUS Status;\r | |
416 | CHAR16 BootOptionName[20];\r | |
417 | UINTN Index;\r | |
418 | CONST EFI_DEVICE_PATH_PROTOCOL *MappedDevicePath;\r | |
419 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
420 | EFI_DEVICE_PATH_PROTOCOL *FullPath;\r | |
421 | UINT16 *BootNextData;\r | |
422 | EFI_BOOT_MANAGER_LOAD_OPTION BootNextOption;\r | |
423 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptionBuffer;\r | |
424 | UINTN BootOptionCount;\r | |
425 | EFI_SHELL_PROTOCOL *ShellProtocol;\r | |
426 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
427 | \r | |
428 | MappedDevicePath = NULL;\r | |
429 | BootOptionBuffer = NULL;\r | |
430 | \r | |
431 | ShellProtocol = GetShellProtocol ();\r | |
432 | if (ShellProtocol == NULL) {\r | |
433 | Print (L"Get Shell Protocol Fail\n");;\r | |
434 | return EFI_NOT_FOUND;\r | |
435 | }\r | |
436 | \r | |
437 | //\r | |
438 | // 1. If Fs is not assigned and there are capsule provisioned before,\r | |
439 | // Get EFI system partition from BootNext.\r | |
440 | //\r | |
441 | if (IsCapsuleProvisioned () && Map == NULL) {\r | |
442 | Status = GetVariable2 (\r | |
443 | L"BootNext",\r | |
444 | &gEfiGlobalVariableGuid,\r | |
445 | (VOID **)&BootNextData,\r | |
446 | NULL\r | |
447 | );\r | |
448 | if (EFI_ERROR (Status) || BootNextData == NULL) {\r | |
449 | Print (L"Get Boot Next Data Fail. Status = %r\n", Status);\r | |
450 | return EFI_NOT_FOUND;\r | |
451 | } else {\r | |
452 | UnicodeSPrint (BootOptionName, sizeof (BootOptionName), L"Boot%04x", *BootNextData);\r | |
453 | Status = EfiBootManagerVariableToLoadOption (BootOptionName, &BootNextOption);\r | |
454 | if (!EFI_ERROR (Status)) {\r | |
455 | DevicePath = BootNextOption.FilePath;\r | |
456 | Status = GetEfiSysPartitionFromBootOptionFilePath (DevicePath, &FullPath, Fs);\r | |
457 | if (!EFI_ERROR (Status)) {\r | |
458 | *UpdateBootNext = FALSE;\r | |
459 | Print(L"Get EFI system partition from BootNext : %s\n", BootNextOption.Description);\r | |
460 | Print(L"%s %s\n", ShellProtocol->GetMapFromDevicePath (&FullPath), ConvertDevicePathToText (FullPath, TRUE, TRUE));\r | |
461 | return EFI_SUCCESS;\r | |
462 | }\r | |
463 | }\r | |
464 | }\r | |
465 | }\r | |
466 | \r | |
467 | //\r | |
468 | // Check if Map is valid.\r | |
469 | //\r | |
470 | if (Map != NULL) {\r | |
471 | MappedDevicePath = ShellProtocol->GetDevicePathFromMap (Map);\r | |
472 | if (MappedDevicePath == NULL) {\r | |
473 | Print(L"'%s' is not a valid mapping.\n", Map);\r | |
474 | return EFI_INVALID_PARAMETER;\r | |
475 | } else if (!IsEfiSysPartitionDevicePath (DuplicateDevicePath (MappedDevicePath))) {\r | |
476 | Print(L"'%s' is not a EFI System Partition.\n", Map);\r | |
477 | return EFI_INVALID_PARAMETER;\r | |
478 | }\r | |
479 | }\r | |
480 | \r | |
481 | //\r | |
482 | // 2. Get EFI system partition form boot options.\r | |
483 | //\r | |
484 | BootOptionBuffer = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r | |
485 | if ( (BootOptionBuffer == NULL) ||\r | |
486 | (BootOptionCount == 0 && Map == NULL)\r | |
487 | ) {\r | |
488 | return EFI_NOT_FOUND;\r | |
489 | }\r | |
490 | \r | |
491 | for (Index = 0; Index < BootOptionCount; Index++) {\r | |
492 | //\r | |
493 | // Get the boot option from the link list\r | |
494 | //\r | |
495 | DevicePath = BootOptionBuffer[Index].FilePath;\r | |
496 | \r | |
497 | //\r | |
498 | // Skip inactive or legacy boot options\r | |
499 | //\r | |
500 | if ((BootOptionBuffer[Index].Attributes & LOAD_OPTION_ACTIVE) == 0 ||\r | |
501 | DevicePathType (DevicePath) == BBS_DEVICE_PATH) {\r | |
502 | continue;\r | |
503 | }\r | |
504 | \r | |
505 | DEBUG_CODE (\r | |
506 | CHAR16 *DevicePathStr;\r | |
507 | \r | |
508 | DevicePathStr = ConvertDevicePathToText (DevicePath, TRUE, TRUE);\r | |
509 | if (DevicePathStr != NULL){\r | |
510 | DEBUG ((DEBUG_INFO, "Try BootOption %s\n", DevicePathStr));\r | |
511 | FreePool (DevicePathStr);\r | |
512 | } else {\r | |
513 | DEBUG ((DEBUG_INFO, "DevicePathToStr failed\n"));\r | |
514 | }\r | |
515 | );\r | |
516 | \r | |
517 | Status = GetEfiSysPartitionFromBootOptionFilePath (DevicePath, &FullPath, Fs);\r | |
518 | if (!EFI_ERROR (Status)) {\r | |
519 | if (Map == NULL) {\r | |
520 | *BootNext = (UINT16) BootOptionBuffer[Index].OptionNumber;\r | |
521 | *UpdateBootNext = TRUE;\r | |
522 | Print (L"Found EFI system partition on Boot%04x: %s\n", *BootNext, BootOptionBuffer[Index].Description);\r | |
523 | Print (L"%s %s\n", ShellProtocol->GetMapFromDevicePath (&FullPath), ConvertDevicePathToText (FullPath, TRUE, TRUE));\r | |
524 | return EFI_SUCCESS;\r | |
525 | }\r | |
526 | \r | |
527 | if (StrnCmp (Map, ShellProtocol->GetMapFromDevicePath (&FullPath), StrLen (Map)) == 0) {\r | |
528 | *BootNext = (UINT16) BootOptionBuffer[Index].OptionNumber;\r | |
529 | *UpdateBootNext = TRUE;\r | |
530 | Print (L"Found Boot Option on %s : %s\n", Map, BootOptionBuffer[Index].Description);\r | |
531 | return EFI_SUCCESS;\r | |
532 | }\r | |
533 | }\r | |
534 | }\r | |
535 | \r | |
536 | //\r | |
537 | // 3. If no ESP is found on boot option, try to find a ESP and create boot option for it.\r | |
538 | //\r | |
539 | if (Map != NULL) {\r | |
540 | //\r | |
541 | // If map is assigned, try to get ESP from mapped Fs.\r | |
542 | //\r | |
543 | DevicePath = DuplicateDevicePath (MappedDevicePath);\r | |
544 | Status = GetEfiSysPartitionFromDevPath (DevicePath, &FullPath, Fs);\r | |
545 | if (EFI_ERROR (Status)) {\r | |
546 | Print (L"Error: Cannot get EFI system partiion from '%s' - %r\n", Map, Status);\r | |
547 | return EFI_NOT_FOUND;\r | |
548 | }\r | |
549 | Print (L"Warning: Cannot find Boot Option on '%s'!\n", Map);\r | |
550 | } else {\r | |
551 | Status = GetEfiSysPartition (&DevicePath, Fs);\r | |
552 | if (EFI_ERROR (Status)) {\r | |
553 | Print (L"Error: Cannot find a EFI system partition!\n");\r | |
554 | return EFI_NOT_FOUND;\r | |
555 | }\r | |
556 | }\r | |
557 | \r | |
558 | Print (L"Create Boot option for capsule on disk:\n");\r | |
559 | Status = EfiBootManagerInitializeLoadOption (\r | |
560 | &NewOption,\r | |
561 | LoadOptionNumberUnassigned,\r | |
562 | LoadOptionTypeBoot,\r | |
563 | LOAD_OPTION_ACTIVE,\r | |
564 | L"UEFI Capsule On Disk",\r | |
565 | DevicePath,\r | |
566 | (UINT8 *) &mCapsuleOnDiskBootOptionGuid,\r | |
567 | sizeof(EFI_GUID)\r | |
568 | );\r | |
569 | if (!EFI_ERROR (Status)) {\r | |
570 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, (UINTN) -1); {\r | |
571 | if (!EFI_ERROR (Status)) {\r | |
572 | *UpdateBootNext = TRUE;\r | |
573 | *BootNext = (UINT16) NewOption.OptionNumber;\r | |
574 | Print (L" Boot%04x: %s\n", *BootNext, ConvertDevicePathToText(DevicePath, TRUE, TRUE));\r | |
575 | return EFI_SUCCESS;\r | |
576 | }\r | |
577 | }\r | |
578 | }\r | |
579 | \r | |
580 | Print (L"ERROR: Cannot create boot option! - %r\n", Status);\r | |
581 | \r | |
582 | return EFI_NOT_FOUND;\r | |
583 | }\r | |
584 | \r | |
585 | /**\r | |
586 | Write files to a given SimpleFileSystem.\r | |
587 | \r | |
588 | @param[in] Buffer The buffer array\r | |
589 | @param[in] BufferSize The buffer size array\r | |
590 | @param[in] FileName The file name array\r | |
591 | @param[in] BufferNum The buffer number\r | |
592 | @param[in] Fs The SimpleFileSystem handle to be written\r | |
593 | \r | |
594 | @retval EFI_SUCCESS Write file successfully\r | |
595 | @retval EFI_NOT_FOUND SFS protocol not found\r | |
596 | @retval others Write file failed\r | |
597 | \r | |
598 | **/\r | |
599 | EFI_STATUS\r | |
600 | WriteUpdateFile (\r | |
601 | IN VOID **Buffer,\r | |
602 | IN UINTN *BufferSize,\r | |
603 | IN CHAR16 **FileName,\r | |
604 | IN UINTN BufferNum,\r | |
605 | IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs\r | |
606 | )\r | |
607 | {\r | |
608 | EFI_STATUS Status;\r | |
609 | EFI_FILE *Root;\r | |
610 | EFI_FILE *FileHandle;\r | |
611 | EFI_FILE_PROTOCOL *DirHandle;\r | |
612 | UINT64 FileInfo;\r | |
613 | VOID *Filebuffer;\r | |
614 | UINTN FileSize;\r | |
615 | UINTN Index;\r | |
616 | \r | |
617 | DirHandle = NULL;\r | |
618 | FileHandle = NULL;\r | |
619 | Index = 0;\r | |
620 | \r | |
621 | //\r | |
622 | // Open Root from SFS\r | |
623 | //\r | |
624 | Status = Fs->OpenVolume (Fs, &Root);\r | |
625 | if (EFI_ERROR (Status)) {\r | |
626 | Print (L"Cannot open volume. Status = %r\n", Status);\r | |
627 | return EFI_NOT_FOUND;\r | |
628 | }\r | |
629 | \r | |
630 | //\r | |
631 | // Ensure that efi and updatecapsule directories exist\r | |
632 | //\r | |
633 | Status = Root->Open (Root, &DirHandle, L"\\EFI", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);\r | |
634 | if (EFI_ERROR (Status)) {\r | |
635 | Status = Root->Open (Root, &DirHandle, L"\\EFI", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, EFI_FILE_DIRECTORY);\r | |
636 | if (EFI_ERROR (Status)) {\r | |
637 | Print(L"Unable to create %s directory\n", L"\\EFI");\r | |
638 | return EFI_NOT_FOUND;\r | |
639 | }\r | |
640 | }\r | |
641 | Status = Root->Open (Root, &DirHandle, EFI_CAPSULE_FILE_DIRECTORY, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE , 0);\r | |
642 | if (EFI_ERROR (Status)) {\r | |
643 | Status = Root->Open (Root, &DirHandle, EFI_CAPSULE_FILE_DIRECTORY, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, EFI_FILE_DIRECTORY);\r | |
644 | if (EFI_ERROR (Status)) {\r | |
645 | Print(L"Unable to create %s directory\n", EFI_CAPSULE_FILE_DIRECTORY);\r | |
646 | return EFI_NOT_FOUND;\r | |
647 | }\r | |
648 | }\r | |
649 | \r | |
650 | for (Index = 0; Index < BufferNum; Index++) {\r | |
651 | FileHandle = NULL;\r | |
652 | \r | |
653 | //\r | |
654 | // Open UpdateCapsule file\r | |
655 | //\r | |
656 | Status = DirHandle->Open (DirHandle, &FileHandle, FileName[Index], EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ, 0);\r | |
657 | if (EFI_ERROR (Status)) {\r | |
658 | Print (L"Unable to create %s file\n", FileName[Index]);\r | |
659 | return EFI_NOT_FOUND;\r | |
660 | }\r | |
661 | \r | |
662 | //\r | |
663 | // Empty the file contents\r | |
664 | //\r | |
665 | Status = FileHandleGetSize (FileHandle, &FileInfo);\r | |
666 | if (EFI_ERROR (Status)) {\r | |
667 | FileHandleClose (FileHandle);\r | |
668 | Print (L"Error Reading %s\n", FileName[Index]);\r | |
669 | return EFI_DEVICE_ERROR;\r | |
670 | }\r | |
671 | \r | |
672 | //\r | |
673 | // If the file size is already 0, then it has been empty.\r | |
674 | //\r | |
675 | if (FileInfo != 0) {\r | |
676 | //\r | |
677 | // Set the file size to 0.\r | |
678 | //\r | |
679 | FileInfo = 0;\r | |
680 | Status = FileHandleSetSize (FileHandle, FileInfo);\r | |
681 | if (EFI_ERROR (Status)) {\r | |
682 | Print (L"Error Deleting %s\n", FileName[Index]);\r | |
683 | FileHandleClose (FileHandle);\r | |
684 | return Status;\r | |
685 | }\r | |
686 | }\r | |
687 | \r | |
688 | //\r | |
689 | // Write Filebuffer to file\r | |
690 | //\r | |
691 | Filebuffer = Buffer[Index];\r | |
692 | FileSize = BufferSize[Index];\r | |
693 | Status = FileHandleWrite (FileHandle, &FileSize, Filebuffer);\r | |
694 | if (EFI_ERROR (Status)) {\r | |
695 | Print (L"Unable to write Capsule Update to %s, Status = %r\n", FileName[Index], Status);\r | |
696 | return EFI_NOT_FOUND;\r | |
697 | }\r | |
698 | \r | |
699 | Print (L"Succeed to write %s\n", FileName[Index]);\r | |
700 | FileHandleClose (FileHandle);\r | |
701 | }\r | |
702 | \r | |
703 | return EFI_SUCCESS;\r | |
704 | }\r | |
705 | \r | |
706 | /**\r | |
707 | Set capsule status variable.\r | |
708 | \r | |
709 | @param[in] SetCap Set or clear the capsule flag.\r | |
710 | \r | |
711 | @retval EFI_SUCCESS Succeed to set SetCap variable.\r | |
712 | @retval others Fail to set the variable.\r | |
713 | \r | |
714 | **/\r | |
715 | EFI_STATUS\r | |
716 | SetCapsuleStatusVariable (\r | |
717 | BOOLEAN SetCap\r | |
718 | )\r | |
719 | {\r | |
720 | EFI_STATUS Status;\r | |
721 | UINT64 OsIndication;\r | |
722 | UINTN DataSize;\r | |
723 | \r | |
724 | OsIndication = 0;\r | |
725 | DataSize = sizeof(UINT64);\r | |
726 | Status = gRT->GetVariable (\r | |
727 | L"OsIndications",\r | |
728 | &gEfiGlobalVariableGuid,\r | |
729 | NULL,\r | |
730 | &DataSize,\r | |
731 | &OsIndication\r | |
732 | );\r | |
733 | if (EFI_ERROR (Status)) {\r | |
734 | OsIndication = 0;\r | |
735 | }\r | |
736 | if (SetCap) {\r | |
737 | OsIndication |= ((UINT64)EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED);\r | |
738 | }\r | |
739 | else {\r | |
740 | OsIndication &= ~((UINT64)EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED);\r | |
741 | }\r | |
742 | Status = gRT->SetVariable (\r | |
743 | L"OsIndications",\r | |
744 | &gEfiGlobalVariableGuid,\r | |
745 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
746 | sizeof(UINT64),\r | |
747 | &OsIndication\r | |
748 | );\r | |
749 | \r | |
750 | return Status;\r | |
751 | }\r | |
752 | \r | |
753 | /**\r | |
754 | Process Capsule On Disk.\r | |
755 | \r | |
756 | @param[in] CapsuleBuffer An array of pointer to capsule images\r | |
757 | @param[in] CapsuleBufferSize An array of UINTN to capsule images size\r | |
758 | @param[in] FilePath An array of capsule images file path\r | |
759 | @param[in] Map File system mapping string\r | |
760 | @param[in] CapsuleNum The count of capsule images\r | |
761 | \r | |
762 | @retval EFI_SUCCESS Capsule on disk success.\r | |
763 | @retval others Capsule on disk fail.\r | |
764 | \r | |
765 | **/\r | |
766 | EFI_STATUS\r | |
767 | ProcessCapsuleOnDisk (\r | |
768 | IN VOID **CapsuleBuffer,\r | |
769 | IN UINTN *CapsuleBufferSize,\r | |
770 | IN CHAR16 **FilePath,\r | |
771 | IN CHAR16 *Map,\r | |
772 | IN UINTN CapsuleNum\r | |
773 | )\r | |
774 | {\r | |
775 | EFI_STATUS Status;\r | |
776 | UINT16 BootNext;\r | |
777 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs;\r | |
778 | BOOLEAN UpdateBootNext;\r | |
779 | \r | |
780 | //\r | |
781 | // Get a valid file system from boot path\r | |
782 | //\r | |
783 | Fs = NULL;\r | |
784 | \r | |
785 | Status = GetUpdateFileSystem (Map, &BootNext, &Fs, &UpdateBootNext);\r | |
786 | if (EFI_ERROR (Status)) {\r | |
787 | Print (L"CapsuleApp: cannot find a valid file system on boot devies. Status = %r\n", Status);\r | |
788 | return Status;\r | |
789 | }\r | |
790 | \r | |
791 | //\r | |
792 | // Copy capsule image to '\efi\UpdateCapsule\'\r | |
793 | //\r | |
794 | Status = WriteUpdateFile (CapsuleBuffer, CapsuleBufferSize, FilePath, CapsuleNum, Fs);\r | |
795 | if (EFI_ERROR (Status)) {\r | |
796 | Print (L"CapsuleApp: capsule image could not be copied for update.\n");\r | |
797 | return Status;\r | |
798 | }\r | |
799 | \r | |
800 | //\r | |
801 | // Set variable then reset\r | |
802 | //\r | |
803 | Status = SetCapsuleStatusVariable (TRUE);\r | |
804 | if (EFI_ERROR (Status)) {\r | |
805 | Print (L"CapsuleApp: unable to set OSIndication variable.\n");\r | |
806 | return Status;\r | |
807 | }\r | |
808 | \r | |
809 | if (UpdateBootNext) {\r | |
810 | Status = gRT->SetVariable (\r | |
811 | L"BootNext",\r | |
812 | &gEfiGlobalVariableGuid,\r | |
813 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
814 | sizeof(UINT16),\r | |
815 | &BootNext\r | |
816 | );\r | |
817 | if (EFI_ERROR (Status)){\r | |
818 | Print (L"CapsuleApp: unable to set BootNext variable.\n");\r | |
819 | return Status;\r | |
820 | }\r | |
821 | }\r | |
822 | \r | |
823 | return EFI_SUCCESS;\r | |
824 | }\r |