--- /dev/null
+/** @file\r
+ Process Capsule On Disk.\r
+\r
+ Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+#include <Uefi.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiRuntimeServicesTableLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/PrintLib.h>\r
+#include <Library/DevicePathLib.h>\r
+#include <Library/FileHandleLib.h>\r
+#include <Library/UefiBootManagerLib.h>\r
+#include <Protocol/SimpleFileSystem.h>\r
+#include <Protocol/Shell.h>\r
+#include <Guid/FileInfo.h>\r
+#include <Guid/GlobalVariable.h>\r
+#include <Guid/Gpt.h>\r
+\r
+EFI_GUID mCapsuleOnDiskBootOptionGuid = { 0x4CC29BB7, 0x2413, 0x40A2, { 0xB0, 0x6D, 0x25, 0x3E, 0x37, 0x10, 0xF5, 0x32 } };\r
+\r
+/**\r
+ Get shell protocol.\r
+\r
+ @return Pointer to shell protocol.\r
+\r
+**/\r
+EFI_SHELL_PROTOCOL *\r
+GetShellProtocol (\r
+ VOID\r
+ );\r
+\r
+/**\r
+ Get file name from file path.\r
+\r
+ @param FilePath File path.\r
+\r
+ @return Pointer to file name.\r
+\r
+**/\r
+CHAR16 *\r
+GetFileNameFromPath (\r
+ CHAR16 *FilePath\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SHELL_PROTOCOL *ShellProtocol;\r
+ SHELL_FILE_HANDLE Handle;\r
+ EFI_FILE_INFO *FileInfo;\r
+\r
+ ShellProtocol = GetShellProtocol ();\r
+ if (ShellProtocol == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Open file by FileName.\r
+ //\r
+ Status = ShellProtocol->OpenFileByName (\r
+ FilePath,\r
+ &Handle,\r
+ EFI_FILE_MODE_READ\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+\r
+ //\r
+ // Get file name from EFI_FILE_INFO.\r
+ //\r
+ FileInfo = ShellProtocol->GetFileInfo (Handle);\r
+ ShellProtocol->CloseFile (Handle);\r
+ if (FileInfo == NULL) {\r
+ return NULL;\r
+ }\r
+\r
+ return FileInfo->FileName;\r
+}\r
+\r
+/**\r
+ Check if the device path is EFI system Partition.\r
+\r
+ @param DevicePath The ESP device path.\r
+\r
+ @retval TRUE DevicePath is a device path for ESP.\r
+ @retval FALSE DevicePath is not a device path for ESP.\r
+\r
+**/\r
+BOOLEAN\r
+IsEfiSysPartitionDevicePath (\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r
+ HARDDRIVE_DEVICE_PATH *Hd;\r
+ EFI_HANDLE Handle;\r
+\r
+ //\r
+ // Check if the device path contains GPT node\r
+ //\r
+ TempDevicePath = DevicePath;\r
+\r
+ while (!IsDevicePathEnd (TempDevicePath)) {\r
+ if ((DevicePathType (TempDevicePath) == MEDIA_DEVICE_PATH) &&\r
+ (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP)) {\r
+ Hd = (HARDDRIVE_DEVICE_PATH *)TempDevicePath;\r
+ if (Hd->MBRType == MBR_TYPE_EFI_PARTITION_TABLE_HEADER) {\r
+ break;\r
+ }\r
+ }\r
+ TempDevicePath = NextDevicePathNode (TempDevicePath);\r
+ }\r
+\r
+ if (!IsDevicePathEnd (TempDevicePath)) {\r
+ //\r
+ // Search for EFI system partition protocol on full device path in Boot Option\r
+ //\r
+ Status = gBS->LocateDevicePath (&gEfiPartTypeSystemPartGuid, &DevicePath, &Handle);\r
+ return EFI_ERROR (Status) ? FALSE : TRUE;\r
+ } else {\r
+ return FALSE;\r
+ }\r
+}\r
+\r
+/**\r
+ Dump all EFI System Partition.\r
+\r
+**/\r
+VOID\r
+DumpAllEfiSysPartition (\r
+ VOID\r
+ )\r
+{\r
+ EFI_HANDLE *SimpleFileSystemHandles;\r
+ UINTN NumberSimpleFileSystemHandles;\r
+ UINTN Index;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ UINTN NumberEfiSystemPartitions;\r
+ EFI_SHELL_PROTOCOL *ShellProtocol;\r
+\r
+ ShellProtocol = GetShellProtocol ();\r
+ NumberEfiSystemPartitions = 0;\r
+\r
+ Print (L"EFI System Partition list:\n");\r
+\r
+ gBS->LocateHandleBuffer (\r
+ ByProtocol,\r
+ &gEfiSimpleFileSystemProtocolGuid,\r
+ NULL,\r
+ &NumberSimpleFileSystemHandles,\r
+ &SimpleFileSystemHandles\r
+ );\r
+\r
+ for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {\r
+ DevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);\r
+ if (IsEfiSysPartitionDevicePath (DevicePath)) {\r
+ NumberEfiSystemPartitions++;\r
+ Print(L" %s\n %s\n", ShellProtocol->GetMapFromDevicePath (&DevicePath), ConvertDevicePathToText (DevicePath, TRUE, TRUE));\r
+ }\r
+ }\r
+\r
+ if (NumberEfiSystemPartitions == 0) {\r
+ Print(L" No ESP found.\n");\r
+ }\r
+}\r
+\r
+/**\r
+ Check if capsule is provisioned.\r
+\r
+ @retval TRUE Capsule is provisioned previously.\r
+ @retval FALSE No capsule is provisioned.\r
+\r
+**/\r
+BOOLEAN\r
+IsCapsuleProvisioned (\r
+ VOID\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT64 OsIndication;\r
+ UINTN DataSize;\r
+\r
+ OsIndication = 0;\r
+ DataSize = sizeof(UINT64);\r
+ Status = gRT->GetVariable (\r
+ L"OsIndications",\r
+ &gEfiGlobalVariableGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &OsIndication\r
+ );\r
+ if (!EFI_ERROR (Status) &&\r
+ (OsIndication & EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED) != 0) {\r
+ return TRUE;\r
+ }\r
+\r
+ return FALSE;\r
+}\r
+\r
+/**\r
+ Get one active Efi System Partition.\r
+\r
+ @param[out] FsDevicePath The device path of Fs\r
+ @param[out] Fs The file system within EfiSysPartition\r
+\r
+ @retval EFI_SUCCESS Get file system successfully\r
+ @retval EFI_NOT_FOUND No valid file system found\r
+\r
+**/\r
+EFI_STATUS\r
+GetEfiSysPartition (\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **FsDevicePath,\r
+ OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs\r
+ )\r
+{\r
+ EFI_HANDLE *SimpleFileSystemHandles;\r
+ UINTN NumberSimpleFileSystemHandles;\r
+ UINTN Index;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_STATUS Status;\r
+\r
+ Status = gBS->LocateHandleBuffer (\r
+ ByProtocol,\r
+ &gEfiSimpleFileSystemProtocolGuid,\r
+ NULL,\r
+ &NumberSimpleFileSystemHandles,\r
+ &SimpleFileSystemHandles\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) {\r
+ DevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]);\r
+ if (IsEfiSysPartitionDevicePath (DevicePath)) {\r
+ Status = gBS->HandleProtocol (SimpleFileSystemHandles[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)Fs);\r
+ if (!EFI_ERROR (Status)) {\r
+ *FsDevicePath = DevicePath;\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+/**\r
+ Check if Active Efi System Partition within GPT is in the device path.\r
+\r
+ @param[in] DevicePath The device path\r
+ @param[out] FsDevicePath The device path of Fs\r
+ @param[out] Fs The file system within EfiSysPartition\r
+\r
+ @retval EFI_SUCCESS Get file system successfully\r
+ @retval EFI_NOT_FOUND No valid file system found\r
+ @retval others Get file system failed\r
+\r
+**/\r
+EFI_STATUS\r
+GetEfiSysPartitionFromDevPath (\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **FsDevicePath,\r
+ OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r
+ HARDDRIVE_DEVICE_PATH *Hd;\r
+ EFI_HANDLE Handle;\r
+\r
+ //\r
+ // Check if the device path contains GPT node\r
+ //\r
+ TempDevicePath = DevicePath;\r
+ while (!IsDevicePathEnd (TempDevicePath)) {\r
+ if ((DevicePathType (TempDevicePath) == MEDIA_DEVICE_PATH) &&\r
+ (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP)) {\r
+ Hd = (HARDDRIVE_DEVICE_PATH *)TempDevicePath;\r
+ if (Hd->MBRType == MBR_TYPE_EFI_PARTITION_TABLE_HEADER) {\r
+ break;\r
+ }\r
+ }\r
+ TempDevicePath = NextDevicePathNode (TempDevicePath);\r
+ }\r
+\r
+ if (!IsDevicePathEnd (TempDevicePath)) {\r
+ //\r
+ // Search for EFI system partition protocol on full device path in Boot Option\r
+ //\r
+ Status = gBS->LocateDevicePath (&gEfiPartTypeSystemPartGuid, &DevicePath, &Handle);\r
+\r
+ //\r
+ // Search for simple file system on this handler\r
+ //\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)Fs);\r
+ if (!EFI_ERROR (Status)) {\r
+ *FsDevicePath = DevicePathFromHandle (Handle);\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+/**\r
+ Get SimpleFileSystem from boot option file path.\r
+\r
+ @param[in] DevicePath The file path of boot option\r
+ @param[out] FullPath The full device path of boot device\r
+ @param[out] Fs The file system within EfiSysPartition\r
+\r
+ @retval EFI_SUCCESS Get file system successfully\r
+ @retval EFI_NOT_FOUND No valid file system found\r
+ @retval others Get file system failed\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetEfiSysPartitionFromBootOptionFilePath (\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **FullPath,\r
+ OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH_PROTOCOL *CurFullPath;\r
+ EFI_DEVICE_PATH_PROTOCOL *PreFullPath;\r
+ EFI_DEVICE_PATH_PROTOCOL *FsFullPath;\r
+\r
+ CurFullPath = NULL;\r
+ FsFullPath = NULL;\r
+ //\r
+ // Try every full device Path generated from bootoption\r
+ //\r
+ do {\r
+ PreFullPath = CurFullPath;\r
+ CurFullPath = EfiBootManagerGetNextFullDevicePath (DevicePath, CurFullPath);\r
+\r
+ if (PreFullPath != NULL) {\r
+ FreePool (PreFullPath);\r
+ }\r
+\r
+ if (CurFullPath == NULL) {\r
+ //\r
+ // No Active EFI system partition is found in BootOption device path\r
+ //\r
+ Status = EFI_NOT_FOUND;\r
+ break;\r
+ }\r
+\r
+ DEBUG_CODE (\r
+ CHAR16 *DevicePathStr;\r
+\r
+ DevicePathStr = ConvertDevicePathToText (CurFullPath, TRUE, TRUE);\r
+ if (DevicePathStr != NULL){\r
+ DEBUG ((DEBUG_INFO, "Full device path %s\n", DevicePathStr));\r
+ FreePool (DevicePathStr);\r
+ }\r
+ );\r
+\r
+ Status = GetEfiSysPartitionFromDevPath (CurFullPath, &FsFullPath, Fs);\r
+ } while (EFI_ERROR (Status));\r
+\r
+ if (*Fs != NULL) {\r
+ *FullPath = FsFullPath;\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+}\r
+\r
+/**\r
+ Get a valid SimpleFileSystem within EFI system partition.\r
+\r
+ @param[in] Map The FS mapping capsule write to\r
+ @param[out] BootNext The value of BootNext Variable\r
+ @param[out] Fs The file system within EfiSysPartition\r
+ @param[out] UpdateBootNext The flag to indicate whether update BootNext Variable\r
+\r
+ @retval EFI_SUCCESS Get FS successfully\r
+ @retval EFI_NOT_FOUND No valid FS found\r
+ @retval others Get FS failed\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetUpdateFileSystem (\r
+ IN CHAR16 *Map,\r
+ OUT UINT16 *BootNext,\r
+ OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs,\r
+ OUT BOOLEAN *UpdateBootNext\r
+)\r
+{\r
+ EFI_STATUS Status;\r
+ CHAR16 BootOptionName[20];\r
+ UINTN Index;\r
+ CONST EFI_DEVICE_PATH_PROTOCOL *MappedDevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *FullPath;\r
+ UINT16 *BootNextData;\r
+ EFI_BOOT_MANAGER_LOAD_OPTION BootNextOption;\r
+ EFI_BOOT_MANAGER_LOAD_OPTION *BootOptionBuffer;\r
+ UINTN BootOptionCount;\r
+ EFI_SHELL_PROTOCOL *ShellProtocol;\r
+ EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r
+\r
+ MappedDevicePath = NULL;\r
+ ShellProtocol = GetShellProtocol ();\r
+\r
+ //\r
+ // 1. If Fs is not assigned and there are capsule provisioned before,\r
+ // Get EFI system partition from BootNext.\r
+ //\r
+ if (IsCapsuleProvisioned () && Map == NULL) {\r
+ Status = GetVariable2 (\r
+ L"BootNext",\r
+ &gEfiGlobalVariableGuid,\r
+ (VOID **)&BootNextData,\r
+ NULL\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ UnicodeSPrint (BootOptionName, sizeof (BootOptionName), L"Boot%04x", *BootNextData);\r
+ Status = EfiBootManagerVariableToLoadOption (BootOptionName, &BootNextOption);\r
+ if (!EFI_ERROR (Status)) {\r
+ DevicePath = BootNextOption.FilePath;\r
+ Status = GetEfiSysPartitionFromBootOptionFilePath (DevicePath, &FullPath, Fs);\r
+ if (!EFI_ERROR (Status)) {\r
+ *UpdateBootNext = FALSE;\r
+ Print(L"Get EFI system partition from BootNext : %s\n", BootNextOption.Description);\r
+ Print(L"%s %s\n", ShellProtocol->GetMapFromDevicePath (&FullPath), ConvertDevicePathToText (FullPath, TRUE, TRUE));\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Check if Map is valid.\r
+ //\r
+ if (Map != NULL) {\r
+ MappedDevicePath = ShellProtocol->GetDevicePathFromMap (Map);\r
+ if (MappedDevicePath == NULL) {\r
+ Print(L"'%s' is not a valid mapping.\n", Map);\r
+ return EFI_INVALID_PARAMETER;\r
+ } else if (!IsEfiSysPartitionDevicePath (DuplicateDevicePath (MappedDevicePath))) {\r
+ Print(L"'%s' is not a EFI System Partition.\n", Map);\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+\r
+ //\r
+ // 2. Get EFI system partition form boot options.\r
+ //\r
+ BootOptionBuffer = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);\r
+ if (BootOptionCount == 0 && Map == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ for (Index = 0; Index < BootOptionCount; Index++) {\r
+ //\r
+ // Get the boot option from the link list\r
+ //\r
+ DevicePath = BootOptionBuffer[Index].FilePath;\r
+\r
+ //\r
+ // Skip inactive or legacy boot options\r
+ //\r
+ if ((BootOptionBuffer[Index].Attributes & LOAD_OPTION_ACTIVE) == 0 ||\r
+ DevicePathType (DevicePath) == BBS_DEVICE_PATH) {\r
+ continue;\r
+ }\r
+\r
+ DEBUG_CODE (\r
+ CHAR16 *DevicePathStr;\r
+\r
+ DevicePathStr = ConvertDevicePathToText (DevicePath, TRUE, TRUE);\r
+ if (DevicePathStr != NULL){\r
+ DEBUG ((DEBUG_INFO, "Try BootOption %s\n", DevicePathStr));\r
+ FreePool (DevicePathStr);\r
+ } else {\r
+ DEBUG ((DEBUG_INFO, "DevicePathToStr failed\n"));\r
+ }\r
+ );\r
+\r
+ Status = GetEfiSysPartitionFromBootOptionFilePath (DevicePath, &FullPath, Fs);\r
+ if (!EFI_ERROR (Status)) {\r
+ if (Map == NULL) {\r
+ *BootNext = (UINT16) BootOptionBuffer[Index].OptionNumber;\r
+ *UpdateBootNext = TRUE;\r
+ Print (L"Found EFI system partition on Boot%04x: %s\n", *BootNext, BootOptionBuffer[Index].Description);\r
+ Print (L"%s %s\n", ShellProtocol->GetMapFromDevicePath (&FullPath), ConvertDevicePathToText (FullPath, TRUE, TRUE));\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ if (StrnCmp (Map, ShellProtocol->GetMapFromDevicePath (&FullPath), StrLen (Map)) == 0) {\r
+ *BootNext = (UINT16) BootOptionBuffer[Index].OptionNumber;\r
+ *UpdateBootNext = TRUE;\r
+ Print (L"Found Boot Option on %s : %s\n", Map, BootOptionBuffer[Index].Description);\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // 3. If no ESP is found on boot option, try to find a ESP and create boot option for it.\r
+ //\r
+ if (Map != NULL) {\r
+ //\r
+ // If map is assigned, try to get ESP from mapped Fs.\r
+ //\r
+ DevicePath = DuplicateDevicePath (MappedDevicePath);\r
+ Status = GetEfiSysPartitionFromDevPath (DevicePath, &FullPath, Fs);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"Error: Cannot get EFI system partiion from '%s' - %r\n", Map, Status);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ Print (L"Warning: Cannot find Boot Option on '%s'!\n", Map);\r
+ } else {\r
+ Status = GetEfiSysPartition (&DevicePath, Fs);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"Error: Cannot find a EFI system partition!\n");\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ }\r
+\r
+ Print (L"Create Boot option for capsule on disk:\n");\r
+ Status = EfiBootManagerInitializeLoadOption (\r
+ &NewOption,\r
+ LoadOptionNumberUnassigned,\r
+ LoadOptionTypeBoot,\r
+ LOAD_OPTION_ACTIVE,\r
+ L"UEFI Capsule On Disk",\r
+ DevicePath,\r
+ (UINT8 *) &mCapsuleOnDiskBootOptionGuid,\r
+ sizeof(EFI_GUID)\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = EfiBootManagerAddLoadOptionVariable (&NewOption, (UINTN) -1); {\r
+ if (!EFI_ERROR (Status)) {\r
+ *UpdateBootNext = TRUE;\r
+ *BootNext = (UINT16) NewOption.OptionNumber;\r
+ Print (L" Boot%04x: %s\n", *BootNext, ConvertDevicePathToText(DevicePath, TRUE, TRUE));\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ Print (L"ERROR: Cannot create boot option! - %r\n", Status);\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+/**\r
+ Write files to a given SimpleFileSystem.\r
+\r
+ @param[in] Buffer The buffer array\r
+ @param[in] BufferSize The buffer size array\r
+ @param[in] FileName The file name array\r
+ @param[in] BufferNum The buffer number\r
+ @param[in] Fs The SimpleFileSystem handle to be written\r
+\r
+ @retval EFI_SUCCESS Write file successfully\r
+ @retval EFI_NOT_FOUND SFS protocol not found\r
+ @retval others Write file failed\r
+\r
+**/\r
+EFI_STATUS\r
+WriteUpdateFile (\r
+ IN VOID **Buffer,\r
+ IN UINTN *BufferSize,\r
+ IN CHAR16 **FileName,\r
+ IN UINTN BufferNum,\r
+ IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs\r
+)\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_FILE *Root;\r
+ EFI_FILE *FileHandle;\r
+ EFI_FILE_PROTOCOL *DirHandle;\r
+ UINT64 FileInfo;\r
+ VOID *Filebuffer;\r
+ UINTN FileSize;\r
+ UINTN Index;\r
+\r
+ DirHandle = NULL;\r
+ FileHandle = NULL;\r
+ Index = 0;\r
+\r
+ //\r
+ // Open Root from SFS\r
+ //\r
+ Status = Fs->OpenVolume (Fs, &Root);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"Cannot open volume. Status = %r\n", Status);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ //\r
+ // Ensure that efi and updatecapsule directories exist\r
+ //\r
+ Status = Root->Open (Root, &DirHandle, L"\\EFI", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);\r
+ if (EFI_ERROR (Status)) {\r
+ Status = Root->Open (Root, &DirHandle, L"\\EFI", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, EFI_FILE_DIRECTORY);\r
+ if (EFI_ERROR (Status)) {\r
+ Print(L"Unable to create %s directory\n", L"\\EFI");\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ }\r
+ Status = Root->Open (Root, &DirHandle, EFI_CAPSULE_FILE_DIRECTORY, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE , 0);\r
+ if (EFI_ERROR (Status)) {\r
+ 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
+ if (EFI_ERROR (Status)) {\r
+ Print(L"Unable to create %s directory\n", EFI_CAPSULE_FILE_DIRECTORY);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ }\r
+\r
+ for (Index = 0; Index < BufferNum; Index++) {\r
+ FileHandle = NULL;\r
+\r
+ //\r
+ // Open UpdateCapsule file\r
+ //\r
+ Status = DirHandle->Open (DirHandle, &FileHandle, FileName[Index], EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ, 0);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"Unable to create %s file\n", FileName[Index]);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ //\r
+ // Empty the file contents\r
+ //\r
+ Status = FileHandleGetSize (FileHandle, &FileInfo);\r
+ if (EFI_ERROR (Status)) {\r
+ FileHandleClose (FileHandle);\r
+ Print (L"Error Reading %s\n", FileName[Index]);\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ //\r
+ // If the file size is already 0, then it has been empty.\r
+ //\r
+ if (FileInfo != 0) {\r
+ //\r
+ // Set the file size to 0.\r
+ //\r
+ FileInfo = 0;\r
+ Status = FileHandleSetSize (FileHandle, FileInfo);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"Error Deleting %s\n", FileName[Index]);\r
+ FileHandleClose (FileHandle);\r
+ return Status;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Write Filebuffer to file\r
+ //\r
+ Filebuffer = Buffer[Index];\r
+ FileSize = BufferSize[Index];\r
+ Status = FileHandleWrite (FileHandle, &FileSize, Filebuffer);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"Unable to write Capsule Update to %s, Status = %r\n", FileName[Index], Status);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ Print (L"Succeed to write %s\n", FileName[Index]);\r
+ FileHandleClose (FileHandle);\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ Set capsule status variable.\r
+\r
+ @param[in] SetCap Set or clear the capsule flag.\r
+\r
+ @retval EFI_SUCCESS Succeed to set SetCap variable.\r
+ @retval others Fail to set the variable.\r
+\r
+**/\r
+EFI_STATUS\r
+SetCapsuleStatusVariable (\r
+ BOOLEAN SetCap\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT64 OsIndication;\r
+ UINTN DataSize;\r
+\r
+ OsIndication = 0;\r
+ DataSize = sizeof(UINT64);\r
+ Status = gRT->GetVariable (\r
+ L"OsIndications",\r
+ &gEfiGlobalVariableGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &OsIndication\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ OsIndication = 0;\r
+ }\r
+ if (SetCap) {\r
+ OsIndication |= ((UINT64)EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED);\r
+ }\r
+ else {\r
+ OsIndication &= ~((UINT64)EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED);\r
+ }\r
+ Status = gRT->SetVariable (\r
+ L"OsIndications",\r
+ &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
+ sizeof(UINT64),\r
+ &OsIndication\r
+ );\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Process Capsule On Disk.\r
+\r
+ @param[in] CapsuleBuffer An array of pointer to capsule images\r
+ @param[in] CapsuleBufferSize An array of UINTN to capsule images size\r
+ @param[in] FilePath An array of capsule images file path\r
+ @param[in] Map File system mapping string\r
+ @param[in] CapsuleNum The count of capsule images\r
+\r
+ @retval EFI_SUCCESS Capsule on disk success.\r
+ @retval others Capsule on disk fail.\r
+\r
+**/\r
+EFI_STATUS\r
+ProcessCapsuleOnDisk (\r
+ IN VOID **CapsuleBuffer,\r
+ IN UINTN *CapsuleBufferSize,\r
+ IN CHAR16 **FilePath,\r
+ IN CHAR16 *Map,\r
+ IN UINTN CapsuleNum\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT16 BootNext;\r
+ EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs;\r
+ BOOLEAN UpdateBootNext;\r
+\r
+ //\r
+ // Get a valid file system from boot path\r
+ //\r
+ Fs = NULL;\r
+\r
+ Status = GetUpdateFileSystem (Map, &BootNext, &Fs, &UpdateBootNext);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"CapsuleApp: cannot find a valid file system on boot devies. Status = %r\n", Status);\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Copy capsule image to '\efi\UpdateCapsule\'\r
+ //\r
+ Status = WriteUpdateFile (CapsuleBuffer, CapsuleBufferSize, FilePath, CapsuleNum, Fs);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"CapsuleApp: capsule image could not be copied for update.\n");\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Set variable then reset\r
+ //\r
+ Status = SetCapsuleStatusVariable (TRUE);\r
+ if (EFI_ERROR (Status)) {\r
+ Print (L"CapsuleApp: unable to set OSIndication variable.\n");\r
+ return Status;\r
+ }\r
+\r
+ if (UpdateBootNext) {\r
+ Status = gRT->SetVariable (\r
+ L"BootNext",\r
+ &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
+ sizeof(UINT16),\r
+ &BootNext\r
+ );\r
+ if (EFI_ERROR (Status)){\r
+ Print (L"CapsuleApp: unable to set BootNext variable.\n");\r
+ return Status;\r
+ }\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
projects / mirror_edk2.git / blobdiff