BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=1482
This file provide some basic function to support Capsule-on-Disk. Cc: Jian J Wang <jian.j.w...@intel.com> Cc: Hao Wu <hao.a...@intel.com> Cc: Zhang Chao B <chao.b.zh...@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Chen A Chen <chen.a.c...@intel.com> Reviewed-by: Jian J Wang <jian.j.w...@intel.com> --- .../Application/CapsuleApp/CapsuleOnDisk.c | 808 +++++++++++++++++++++ 1 file changed, 808 insertions(+) create mode 100644 MdeModulePkg/Application/CapsuleApp/CapsuleOnDisk.c diff --git a/MdeModulePkg/Application/CapsuleApp/CapsuleOnDisk.c b/MdeModulePkg/Application/CapsuleApp/CapsuleOnDisk.c new file mode 100644 index 0000000000..393b7ae7db --- /dev/null +++ b/MdeModulePkg/Application/CapsuleApp/CapsuleOnDisk.c @@ -0,0 +1,808 @@ +/** @file + Process Capsule On Disk. + + Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ +#include <Uefi.h> +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiRuntimeServicesTableLib.h> +#include <Library/UefiLib.h> +#include <Library/PrintLib.h> +#include <Library/DevicePathLib.h> +#include <Library/FileHandleLib.h> +#include <Library/UefiBootManagerLib.h> +#include <Protocol/SimpleFileSystem.h> +#include <Protocol/Shell.h> +#include <Guid/FileInfo.h> +#include <Guid/GlobalVariable.h> +#include <Guid/Gpt.h> + +EFI_GUID mCapsuleOnDiskBootOptionGuid = { 0x4CC29BB7, 0x2413, 0x40A2, { 0xB0, 0x6D, 0x25, 0x3E, 0x37, 0x10, 0xF5, 0x32 } }; + +/** + Get shell protocol. + + @return Pointer to shell protocol. + +**/ +EFI_SHELL_PROTOCOL * +GetShellProtocol ( + VOID + ); + +/** + Get file name from file path. + + @param FilePath File path. + + @return Pointer to file name. + +**/ +CHAR16 * +GetFileNameFromPath ( + CHAR16 *FilePath + ) +{ + EFI_STATUS Status; + EFI_SHELL_PROTOCOL *ShellProtocol; + SHELL_FILE_HANDLE Handle; + EFI_FILE_INFO *FileInfo; + + ShellProtocol = GetShellProtocol (); + if (ShellProtocol == NULL) { + return NULL; + } + + // + // Open file by FileName. + // + Status = ShellProtocol->OpenFileByName ( + FilePath, + &Handle, + EFI_FILE_MODE_READ + ); + if (EFI_ERROR (Status)) { + return NULL; + } + + // + // Get file name from EFI_FILE_INFO. + // + FileInfo = ShellProtocol->GetFileInfo (Handle); + ShellProtocol->CloseFile (Handle); + if (FileInfo == NULL) { + return NULL; + } + + return FileInfo->FileName; +} + +/** + Check if the device path is EFI system Partition. + + @param DevicePath The ESP device path. + + @retval TRUE DevicePath is a device path for ESP. + @retval FALSE DevicePath is not a device path for ESP. + +**/ +BOOLEAN +IsEfiSysPartitionDevicePath ( + EFI_DEVICE_PATH_PROTOCOL *DevicePath + ) +{ + EFI_STATUS Status; + EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; + HARDDRIVE_DEVICE_PATH *Hd; + EFI_HANDLE Handle; + + // + // Check if the device path contains GPT node + // + TempDevicePath = DevicePath; + + while (!IsDevicePathEnd (TempDevicePath)) { + if ((DevicePathType (TempDevicePath) == MEDIA_DEVICE_PATH) && + (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP)) { + Hd = (HARDDRIVE_DEVICE_PATH *)TempDevicePath; + if (Hd->MBRType == MBR_TYPE_EFI_PARTITION_TABLE_HEADER) { + break; + } + } + TempDevicePath = NextDevicePathNode (TempDevicePath); + } + + if (!IsDevicePathEnd (TempDevicePath)) { + // + // Search for EFI system partition protocol on full device path in Boot Option + // + Status = gBS->LocateDevicePath (&gEfiPartTypeSystemPartGuid, &DevicePath, &Handle); + return EFI_ERROR (Status) ? FALSE : TRUE; + } else { + return FALSE; + } +} + +/** + Dump all EFI System Partition. + +**/ +VOID +DumpAllEfiSysPartition ( + VOID + ) +{ + EFI_HANDLE *SimpleFileSystemHandles; + UINTN NumberSimpleFileSystemHandles; + UINTN Index; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + UINTN NumberEfiSystemPartitions; + EFI_SHELL_PROTOCOL *ShellProtocol; + + ShellProtocol = GetShellProtocol (); + NumberEfiSystemPartitions = 0; + + Print (L"EFI System Partition list:\n"); + + gBS->LocateHandleBuffer ( + ByProtocol, + &gEfiSimpleFileSystemProtocolGuid, + NULL, + &NumberSimpleFileSystemHandles, + &SimpleFileSystemHandles + ); + + for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) { + DevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]); + if (IsEfiSysPartitionDevicePath (DevicePath)) { + NumberEfiSystemPartitions++; + Print(L" %s\n %s\n", ShellProtocol->GetMapFromDevicePath (&DevicePath), ConvertDevicePathToText (DevicePath, TRUE, TRUE)); + } + } + + if (NumberEfiSystemPartitions == 0) { + Print(L" No ESP found.\n"); + } +} + +/** + Check if capsule is provisioned. + + @retval TRUE Capsule is provisioned previously. + @retval FALSE No capsule is provisioned. + +**/ +BOOLEAN +IsCapsuleProvisioned ( + VOID + ) +{ + EFI_STATUS Status; + UINT64 OsIndication; + UINTN DataSize; + + OsIndication = 0; + DataSize = sizeof(UINT64); + Status = gRT->GetVariable ( + L"OsIndications", + &gEfiGlobalVariableGuid, + NULL, + &DataSize, + &OsIndication + ); + if (!EFI_ERROR (Status) && + (OsIndication & EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED) != 0) { + return TRUE; + } + + return FALSE; +} + +/** + Get one active Efi System Partition. + + @param[out] FsDevicePath The device path of Fs + @param[out] Fs The file system within EfiSysPartition + + @retval EFI_SUCCESS Get file system successfully + @retval EFI_NOT_FOUND No valid file system found + +**/ +EFI_STATUS +GetEfiSysPartition ( + OUT EFI_DEVICE_PATH_PROTOCOL **FsDevicePath, + OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs + ) +{ + EFI_HANDLE *SimpleFileSystemHandles; + UINTN NumberSimpleFileSystemHandles; + UINTN Index; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_STATUS Status; + + Status = gBS->LocateHandleBuffer ( + ByProtocol, + &gEfiSimpleFileSystemProtocolGuid, + NULL, + &NumberSimpleFileSystemHandles, + &SimpleFileSystemHandles + ); + + if (EFI_ERROR (Status)) { + return EFI_NOT_FOUND; + } + + for (Index = 0; Index < NumberSimpleFileSystemHandles; Index++) { + DevicePath = DevicePathFromHandle (SimpleFileSystemHandles[Index]); + if (IsEfiSysPartitionDevicePath (DevicePath)) { + Status = gBS->HandleProtocol (SimpleFileSystemHandles[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)Fs); + if (!EFI_ERROR (Status)) { + *FsDevicePath = DevicePath; + return EFI_SUCCESS; + } + } + } + + return EFI_NOT_FOUND; +} + +/** + Check if Active Efi System Partition within GPT is in the device path. + + @param[in] DevicePath The device path + @param[out] FsDevicePath The device path of Fs + @param[out] Fs The file system within EfiSysPartition + + @retval EFI_SUCCESS Get file system successfully + @retval EFI_NOT_FOUND No valid file system found + @retval others Get file system failed + +**/ +EFI_STATUS +GetEfiSysPartitionFromDevPath ( + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + OUT EFI_DEVICE_PATH_PROTOCOL **FsDevicePath, + OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs + ) +{ + EFI_STATUS Status; + EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; + HARDDRIVE_DEVICE_PATH *Hd; + EFI_HANDLE Handle; + + // + // Check if the device path contains GPT node + // + TempDevicePath = DevicePath; + while (!IsDevicePathEnd (TempDevicePath)) { + if ((DevicePathType (TempDevicePath) == MEDIA_DEVICE_PATH) && + (DevicePathSubType (TempDevicePath) == MEDIA_HARDDRIVE_DP)) { + Hd = (HARDDRIVE_DEVICE_PATH *)TempDevicePath; + if (Hd->MBRType == MBR_TYPE_EFI_PARTITION_TABLE_HEADER) { + break; + } + } + TempDevicePath = NextDevicePathNode (TempDevicePath); + } + + if (!IsDevicePathEnd (TempDevicePath)) { + // + // Search for EFI system partition protocol on full device path in Boot Option + // + Status = gBS->LocateDevicePath (&gEfiPartTypeSystemPartGuid, &DevicePath, &Handle); + + // + // Search for simple file system on this handler + // + if (!EFI_ERROR (Status)) { + Status = gBS->HandleProtocol (Handle, &gEfiSimpleFileSystemProtocolGuid, (VOID **)Fs); + if (!EFI_ERROR (Status)) { + *FsDevicePath = DevicePathFromHandle (Handle); + return EFI_SUCCESS; + } + } + } + + return EFI_NOT_FOUND; +} + +/** + Get SimpleFileSystem from boot option file path. + + @param[in] DevicePath The file path of boot option + @param[out] FullPath The full device path of boot device + @param[out] Fs The file system within EfiSysPartition + + @retval EFI_SUCCESS Get file system successfully + @retval EFI_NOT_FOUND No valid file system found + @retval others Get file system failed + +**/ +EFI_STATUS +EFIAPI +GetEfiSysPartitionFromBootOptionFilePath ( + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + OUT EFI_DEVICE_PATH_PROTOCOL **FullPath, + OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs + ) +{ + EFI_STATUS Status; + EFI_DEVICE_PATH_PROTOCOL *CurFullPath; + EFI_DEVICE_PATH_PROTOCOL *PreFullPath; + EFI_DEVICE_PATH_PROTOCOL *FsFullPath; + + CurFullPath = NULL; + FsFullPath = NULL; + // + // Try every full device Path generated from bootoption + // + do { + PreFullPath = CurFullPath; + CurFullPath = EfiBootManagerGetNextFullDevicePath (DevicePath, CurFullPath); + + if (PreFullPath != NULL) { + FreePool (PreFullPath); + } + + if (CurFullPath == NULL) { + // + // No Active EFI system partition is found in BootOption device path + // + Status = EFI_NOT_FOUND; + break; + } + + DEBUG_CODE ( + CHAR16 *DevicePathStr; + + DevicePathStr = ConvertDevicePathToText (CurFullPath, TRUE, TRUE); + if (DevicePathStr != NULL){ + DEBUG ((DEBUG_INFO, "Full device path %s\n", DevicePathStr)); + FreePool (DevicePathStr); + } + ); + + Status = GetEfiSysPartitionFromDevPath (CurFullPath, &FsFullPath, Fs); + } while (EFI_ERROR (Status)); + + if (*Fs != NULL) { + *FullPath = FsFullPath; + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } +} + +/** + Get a valid SimpleFileSystem within EFI system partition. + + @param[in] Map The FS mapping capsule write to + @param[out] BootNext The value of BootNext Variable + @param[out] Fs The file system within EfiSysPartition + @param[out] UpdateBootNext The flag to indicate whether update BootNext Variable + + @retval EFI_SUCCESS Get FS successfully + @retval EFI_NOT_FOUND No valid FS found + @retval others Get FS failed + +**/ +EFI_STATUS +EFIAPI +GetUpdateFileSystem ( + IN CHAR16 *Map, + OUT UINT16 *BootNext, + OUT EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **Fs, + OUT BOOLEAN *UpdateBootNext +) +{ + EFI_STATUS Status; + CHAR16 BootOptionName[20]; + UINTN Index; + CONST EFI_DEVICE_PATH_PROTOCOL *MappedDevicePath; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_DEVICE_PATH_PROTOCOL *FullPath; + UINT16 *BootNextData; + EFI_BOOT_MANAGER_LOAD_OPTION BootNextOption; + EFI_BOOT_MANAGER_LOAD_OPTION *BootOptionBuffer; + UINTN BootOptionCount; + EFI_SHELL_PROTOCOL *ShellProtocol; + EFI_BOOT_MANAGER_LOAD_OPTION NewOption; + + MappedDevicePath = NULL; + ShellProtocol = GetShellProtocol (); + + // + // 1. If Fs is not assigned and there are capsule provisioned before, + // Get EFI system partition from BootNext. + // + if (IsCapsuleProvisioned () && Map == NULL) { + Status = GetVariable2 ( + L"BootNext", + &gEfiGlobalVariableGuid, + (VOID **)&BootNextData, + NULL + ); + if (!EFI_ERROR (Status)) { + UnicodeSPrint (BootOptionName, sizeof (BootOptionName), L"Boot%04x", *BootNextData); + Status = EfiBootManagerVariableToLoadOption (BootOptionName, &BootNextOption); + if (!EFI_ERROR (Status)) { + DevicePath = BootNextOption.FilePath; + Status = GetEfiSysPartitionFromBootOptionFilePath (DevicePath, &FullPath, Fs); + if (!EFI_ERROR (Status)) { + *UpdateBootNext = FALSE; + Print(L"Get EFI system partition from BootNext : %s\n", BootNextOption.Description); + Print(L"%s %s\n", ShellProtocol->GetMapFromDevicePath (&FullPath), ConvertDevicePathToText (FullPath, TRUE, TRUE)); + return EFI_SUCCESS; + } + } + } + } + + // + // Check if Map is valid. + // + if (Map != NULL) { + MappedDevicePath = ShellProtocol->GetDevicePathFromMap (Map); + if (MappedDevicePath == NULL) { + Print(L"'%s' is not a valid mapping.\n", Map); + return EFI_INVALID_PARAMETER; + } else if (!IsEfiSysPartitionDevicePath (DuplicateDevicePath (MappedDevicePath))) { + Print(L"'%s' is not a EFI System Partition.\n", Map); + return EFI_INVALID_PARAMETER; + } + } + + // + // 2. Get EFI system partition form boot options. + // + BootOptionBuffer = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot); + if (BootOptionCount == 0 && Map == NULL) { + return EFI_NOT_FOUND; + } + + for (Index = 0; Index < BootOptionCount; Index++) { + // + // Get the boot option from the link list + // + DevicePath = BootOptionBuffer[Index].FilePath; + + // + // Skip inactive or legacy boot options + // + if ((BootOptionBuffer[Index].Attributes & LOAD_OPTION_ACTIVE) == 0 || + DevicePathType (DevicePath) == BBS_DEVICE_PATH) { + continue; + } + + DEBUG_CODE ( + CHAR16 *DevicePathStr; + + DevicePathStr = ConvertDevicePathToText (DevicePath, TRUE, TRUE); + if (DevicePathStr != NULL){ + DEBUG ((DEBUG_INFO, "Try BootOption %s\n", DevicePathStr)); + FreePool (DevicePathStr); + } else { + DEBUG ((DEBUG_INFO, "DevicePathToStr failed\n")); + } + ); + + Status = GetEfiSysPartitionFromBootOptionFilePath (DevicePath, &FullPath, Fs); + if (!EFI_ERROR (Status)) { + if (Map == NULL) { + *BootNext = (UINT16) BootOptionBuffer[Index].OptionNumber; + *UpdateBootNext = TRUE; + Print (L"Found EFI system partition on Boot%04x: %s\n", *BootNext, BootOptionBuffer[Index].Description); + Print (L"%s %s\n", ShellProtocol->GetMapFromDevicePath (&FullPath), ConvertDevicePathToText (FullPath, TRUE, TRUE)); + return EFI_SUCCESS; + } + + if (StrnCmp (Map, ShellProtocol->GetMapFromDevicePath (&FullPath), StrLen (Map)) == 0) { + *BootNext = (UINT16) BootOptionBuffer[Index].OptionNumber; + *UpdateBootNext = TRUE; + Print (L"Found Boot Option on %s : %s\n", Map, BootOptionBuffer[Index].Description); + return EFI_SUCCESS; + } + } + } + + // + // 3. If no ESP is found on boot option, try to find a ESP and create boot option for it. + // + if (Map != NULL) { + // + // If map is assigned, try to get ESP from mapped Fs. + // + DevicePath = DuplicateDevicePath (MappedDevicePath); + Status = GetEfiSysPartitionFromDevPath (DevicePath, &FullPath, Fs); + if (EFI_ERROR (Status)) { + Print (L"Error: Cannot get EFI system partiion from '%s' - %r\n", Map, Status); + return EFI_NOT_FOUND; + } + Print (L"Warning: Cannot find Boot Option on '%s'!\n", Map); + } else { + Status = GetEfiSysPartition (&DevicePath, Fs); + if (EFI_ERROR (Status)) { + Print (L"Error: Cannot find a EFI system partition!\n"); + return EFI_NOT_FOUND; + } + } + + Print (L"Create Boot option for capsule on disk:\n"); + Status = EfiBootManagerInitializeLoadOption ( + &NewOption, + LoadOptionNumberUnassigned, + LoadOptionTypeBoot, + LOAD_OPTION_ACTIVE, + L"UEFI Capsule On Disk", + DevicePath, + (UINT8 *) &mCapsuleOnDiskBootOptionGuid, + sizeof(EFI_GUID) + ); + if (!EFI_ERROR (Status)) { + Status = EfiBootManagerAddLoadOptionVariable (&NewOption, (UINTN) -1); { + if (!EFI_ERROR (Status)) { + *UpdateBootNext = TRUE; + *BootNext = (UINT16) NewOption.OptionNumber; + Print (L" Boot%04x: %s\n", *BootNext, ConvertDevicePathToText(DevicePath, TRUE, TRUE)); + return EFI_SUCCESS; + } + } + } + + Print (L"ERROR: Cannot create boot option! - %r\n", Status); + + return EFI_NOT_FOUND; +} + +/** + Write files to a given SimpleFileSystem. + + @param[in] Buffer The buffer array + @param[in] BufferSize The buffer size array + @param[in] FileName The file name array + @param[in] BufferNum The buffer number + @param[in] Fs The SimpleFileSystem handle to be written + + @retval EFI_SUCCESS Write file successfully + @retval EFI_NOT_FOUND SFS protocol not found + @retval others Write file failed + +**/ +EFI_STATUS +WriteUpdateFile ( + IN VOID **Buffer, + IN UINTN *BufferSize, + IN CHAR16 **FileName, + IN UINTN BufferNum, + IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs +) +{ + EFI_STATUS Status; + EFI_FILE *Root; + EFI_FILE *FileHandle; + EFI_FILE_PROTOCOL *DirHandle; + UINT64 FileInfo; + VOID *Filebuffer; + UINTN FileSize; + UINTN Index; + + DirHandle = NULL; + FileHandle = NULL; + Index = 0; + + // + // Open Root from SFS + // + Status = Fs->OpenVolume (Fs, &Root); + if (EFI_ERROR (Status)) { + Print (L"Cannot open volume. Status = %r\n", Status); + return EFI_NOT_FOUND; + } + + // + // Ensure that efi and updatecapsule directories exist + // + Status = Root->Open (Root, &DirHandle, L"\\EFI", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0); + if (EFI_ERROR (Status)) { + Status = Root->Open (Root, &DirHandle, L"\\EFI", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, EFI_FILE_DIRECTORY); + if (EFI_ERROR (Status)) { + Print(L"Unable to create %s directory\n", L"\\EFI"); + return EFI_NOT_FOUND; + } + } + Status = Root->Open (Root, &DirHandle, EFI_CAPSULE_FILE_DIRECTORY, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE , 0); + if (EFI_ERROR (Status)) { + Status = Root->Open (Root, &DirHandle, EFI_CAPSULE_FILE_DIRECTORY, EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, EFI_FILE_DIRECTORY); + if (EFI_ERROR (Status)) { + Print(L"Unable to create %s directory\n", EFI_CAPSULE_FILE_DIRECTORY); + return EFI_NOT_FOUND; + } + } + + for (Index = 0; Index < BufferNum; Index++) { + FileHandle = NULL; + + // + // Open UpdateCapsule file + // + Status = DirHandle->Open (DirHandle, &FileHandle, FileName[Index], EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ, 0); + if (EFI_ERROR (Status)) { + Print (L"Unable to create %s file\n", FileName[Index]); + return EFI_NOT_FOUND; + } + + // + // Empty the file contents + // + Status = FileHandleGetSize (FileHandle, &FileInfo); + if (EFI_ERROR (Status)) { + FileHandleClose (FileHandle); + Print (L"Error Reading %s\n", FileName[Index]); + return EFI_DEVICE_ERROR; + } + + // + // If the file size is already 0, then it has been empty. + // + if (FileInfo != 0) { + // + // Set the file size to 0. + // + FileInfo = 0; + Status = FileHandleSetSize (FileHandle, FileInfo); + if (EFI_ERROR (Status)) { + Print (L"Error Deleting %s\n", FileName[Index]); + FileHandleClose (FileHandle); + return Status; + } + } + + // + // Write Filebuffer to file + // + Filebuffer = Buffer[Index]; + FileSize = BufferSize[Index]; + Status = FileHandleWrite (FileHandle, &FileSize, Filebuffer); + if (EFI_ERROR (Status)) { + Print (L"Unable to write Capsule Update to %s, Status = %r\n", FileName[Index], Status); + return EFI_NOT_FOUND; + } + + Print (L"Succeed to write %s\n", FileName[Index]); + FileHandleClose (FileHandle); + } + + return EFI_SUCCESS; +} + +/** + Set capsule status variable. + + @param[in] SetCap Set or clear the capsule flag. + + @retval EFI_SUCCESS Succeed to set SetCap variable. + @retval others Fail to set the variable. + +**/ +EFI_STATUS +SetCapsuleStatusVariable ( + BOOLEAN SetCap + ) +{ + EFI_STATUS Status; + UINT64 OsIndication; + UINTN DataSize; + + OsIndication = 0; + DataSize = sizeof(UINT64); + Status = gRT->GetVariable ( + L"OsIndications", + &gEfiGlobalVariableGuid, + NULL, + &DataSize, + &OsIndication + ); + if (EFI_ERROR (Status)) { + OsIndication = 0; + } + if (SetCap) { + OsIndication |= ((UINT64)EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED); + } + else { + OsIndication &= ~((UINT64)EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED); + } + Status = gRT->SetVariable ( + L"OsIndications", + &gEfiGlobalVariableGuid, + EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, + sizeof(UINT64), + &OsIndication + ); + + return Status; +} + +/** + Process Capsule On Disk. + + @param[in] CapsuleBuffer An array of pointer to capsule images + @param[in] CapsuleBufferSize An array of UINTN to capsule images size + @param[in] FilePath An array of capsule images file path + @param[in] Map File system mapping string + @param[in] CapsuleNum The count of capsule images + + @retval EFI_SUCCESS Capsule on disk success. + @retval others Capsule on disk fail. + +**/ +EFI_STATUS +ProcessCapsuleOnDisk ( + IN VOID **CapsuleBuffer, + IN UINTN *CapsuleBufferSize, + IN CHAR16 **FilePath, + IN CHAR16 *Map, + IN UINTN CapsuleNum + ) +{ + EFI_STATUS Status; + UINT16 BootNext; + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Fs; + BOOLEAN UpdateBootNext; + + // + // Get a valid file system from boot path + // + Fs = NULL; + + Status = GetUpdateFileSystem (Map, &BootNext, &Fs, &UpdateBootNext); + if (EFI_ERROR (Status)) { + Print (L"CapsuleApp: cannot find a valid file system on boot devies. Status = %r\n", Status); + return Status; + } + + // + // Copy capsule image to '\efi\UpdateCapsule\' + // + Status = WriteUpdateFile (CapsuleBuffer, CapsuleBufferSize, FilePath, CapsuleNum, Fs); + if (EFI_ERROR (Status)) { + Print (L"CapsuleApp: capsule image could not be copied for update.\n"); + return Status; + } + + // + // Set variable then reset + // + Status = SetCapsuleStatusVariable (TRUE); + if (EFI_ERROR (Status)) { + Print (L"CapsuleApp: unable to set OSIndication variable.\n"); + return Status; + } + + if (UpdateBootNext) { + Status = gRT->SetVariable ( + L"BootNext", + &gEfiGlobalVariableGuid, + EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, + sizeof(UINT16), + &BootNext + ); + if (EFI_ERROR (Status)){ + Print (L"CapsuleApp: unable to set BootNext variable.\n"); + return Status; + } + } + + return EFI_SUCCESS; +} -- 2.16.2.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
