| /** @file | |
| HII Config Access protocol implementation of RamDiskDxe driver. | |
| Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> | |
| (C) Copyright 2016-2018 Hewlett Packard Enterprise Development LP<BR> | |
| Copyright (c) Microsoft Corporation.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #include "RamDiskImpl.h" | |
| CHAR16 mRamDiskStorageName[] = L"RAM_DISK_CONFIGURATION"; | |
| RAM_DISK_CONFIG_PRIVATE_DATA mRamDiskConfigPrivateDataTemplate = { | |
| RAM_DISK_CONFIG_PRIVATE_DATA_SIGNATURE, | |
| { | |
| EFI_PAGE_SIZE, | |
| RAM_DISK_BOOT_SERVICE_DATA_MEMORY | |
| }, | |
| { | |
| RamDiskExtractConfig, | |
| RamDiskRouteConfig, | |
| RamDiskCallback | |
| } | |
| }; | |
| HII_VENDOR_DEVICE_PATH mRamDiskHiiVendorDevicePath = { | |
| { | |
| { | |
| HARDWARE_DEVICE_PATH, | |
| HW_VENDOR_DP, | |
| { | |
| (UINT8)(sizeof (VENDOR_DEVICE_PATH)), | |
| (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8) | |
| } | |
| }, | |
| RAM_DISK_FORM_SET_GUID | |
| }, | |
| { | |
| END_DEVICE_PATH_TYPE, | |
| END_ENTIRE_DEVICE_PATH_SUBTYPE, | |
| { | |
| (UINT8)(END_DEVICE_PATH_LENGTH), | |
| (UINT8)((END_DEVICE_PATH_LENGTH) >> 8) | |
| } | |
| } | |
| }; | |
| /** | |
| This function publish the RAM disk configuration Form. | |
| @param[in, out] ConfigPrivateData | |
| Points to RAM disk configuration private data. | |
| @retval EFI_SUCCESS HII Form is installed successfully. | |
| @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation. | |
| @retval Others Other errors as indicated. | |
| **/ | |
| EFI_STATUS | |
| InstallRamDiskConfigForm ( | |
| IN OUT RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivateData | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_HII_HANDLE HiiHandle; | |
| EFI_HANDLE DriverHandle; | |
| EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess; | |
| DriverHandle = NULL; | |
| ConfigAccess = &ConfigPrivateData->ConfigAccess; | |
| Status = gBS->InstallMultipleProtocolInterfaces ( | |
| &DriverHandle, | |
| &gEfiDevicePathProtocolGuid, | |
| &mRamDiskHiiVendorDevicePath, | |
| &gEfiHiiConfigAccessProtocolGuid, | |
| ConfigAccess, | |
| NULL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| ConfigPrivateData->DriverHandle = DriverHandle; | |
| // | |
| // Publish the HII package list | |
| // | |
| HiiHandle = HiiAddPackages ( | |
| &gRamDiskFormSetGuid, | |
| DriverHandle, | |
| RamDiskDxeStrings, | |
| RamDiskHiiBin, | |
| NULL | |
| ); | |
| if (HiiHandle == NULL) { | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| DriverHandle, | |
| &gEfiDevicePathProtocolGuid, | |
| &mRamDiskHiiVendorDevicePath, | |
| &gEfiHiiConfigAccessProtocolGuid, | |
| ConfigAccess, | |
| NULL | |
| ); | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| ConfigPrivateData->HiiHandle = HiiHandle; | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| This function removes RAM disk configuration Form. | |
| @param[in, out] ConfigPrivateData | |
| Points to RAM disk configuration private data. | |
| **/ | |
| VOID | |
| UninstallRamDiskConfigForm ( | |
| IN OUT RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivateData | |
| ) | |
| { | |
| // | |
| // Uninstall HII package list | |
| // | |
| if (ConfigPrivateData->HiiHandle != NULL) { | |
| HiiRemovePackages (ConfigPrivateData->HiiHandle); | |
| ConfigPrivateData->HiiHandle = NULL; | |
| } | |
| // | |
| // Uninstall HII Config Access Protocol | |
| // | |
| if (ConfigPrivateData->DriverHandle != NULL) { | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| ConfigPrivateData->DriverHandle, | |
| &gEfiDevicePathProtocolGuid, | |
| &mRamDiskHiiVendorDevicePath, | |
| &gEfiHiiConfigAccessProtocolGuid, | |
| &ConfigPrivateData->ConfigAccess, | |
| NULL | |
| ); | |
| ConfigPrivateData->DriverHandle = NULL; | |
| } | |
| FreePool (ConfigPrivateData); | |
| } | |
| /** | |
| Unregister all registered RAM disks. | |
| **/ | |
| VOID | |
| UnregisterAllRamDisks ( | |
| VOID | |
| ) | |
| { | |
| LIST_ENTRY *Entry; | |
| LIST_ENTRY *NextEntry; | |
| RAM_DISK_PRIVATE_DATA *PrivateData; | |
| if (!IsListEmpty (&RegisteredRamDisks)) { | |
| BASE_LIST_FOR_EACH_SAFE (Entry, NextEntry, &RegisteredRamDisks) { | |
| PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry); | |
| gBS->UninstallMultipleProtocolInterfaces ( | |
| PrivateData->Handle, | |
| &gEfiBlockIoProtocolGuid, | |
| &PrivateData->BlockIo, | |
| &gEfiBlockIo2ProtocolGuid, | |
| &PrivateData->BlockIo2, | |
| &gEfiDevicePathProtocolGuid, | |
| (EFI_DEVICE_PATH_PROTOCOL *)PrivateData->DevicePath, | |
| NULL | |
| ); | |
| RemoveEntryList (&PrivateData->ThisInstance); | |
| if (RamDiskCreateHii == PrivateData->CreateMethod) { | |
| // | |
| // If a RAM disk is created within HII, then the RamDiskDxe driver | |
| // driver is responsible for freeing the allocated memory for the | |
| // RAM disk. | |
| // | |
| FreePool ((VOID *)(UINTN)PrivateData->StartingAddr); | |
| } | |
| FreePool (PrivateData->DevicePath); | |
| FreePool (PrivateData); | |
| } | |
| } | |
| } | |
| /** | |
| This function allows a caller to extract the current configuration for one | |
| or more named elements from the target driver. | |
| @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL. | |
| @param[in] Request A null-terminated Unicode string in | |
| <ConfigRequest> format. | |
| @param[out] Progress On return, points to a character in the Request | |
| string. Points to the string's null terminator if | |
| request was successful. Points to the most recent | |
| '&' before the first failing name/value pair (or | |
| the beginning of the string if the failure is in | |
| the first name/value pair) if the request was not | |
| successful. | |
| @param[out] Results A null-terminated Unicode string in | |
| <ConfigAltResp> format which has all values filled | |
| in for the names in the Request string. String to | |
| be allocated by the called function. | |
| @retval EFI_SUCCESS The Results is filled with the requested | |
| values. | |
| @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results. | |
| @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name. | |
| @retval EFI_NOT_FOUND Routing data doesn't match any storage in | |
| this driver. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| RamDiskExtractConfig ( | |
| IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This, | |
| IN CONST EFI_STRING Request, | |
| OUT EFI_STRING *Progress, | |
| OUT EFI_STRING *Results | |
| ) | |
| { | |
| if ((Progress == NULL) || (Results == NULL)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| *Progress = Request; | |
| return EFI_NOT_FOUND; | |
| } | |
| /** | |
| This function processes the results of changes in configuration. | |
| @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL. | |
| @param[in] Configuration A null-terminated Unicode string in <ConfigResp> | |
| format. | |
| @param[out] Progress A pointer to a string filled in with the offset of | |
| the most recent '&' before the first failing | |
| name/value pair (or the beginning of the string if | |
| the failure is in the first name/value pair) or | |
| the terminating NULL if all was successful. | |
| @retval EFI_SUCCESS The Results is processed successfully. | |
| @retval EFI_INVALID_PARAMETER Configuration is NULL. | |
| @retval EFI_NOT_FOUND Routing data doesn't match any storage in | |
| this driver. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| RamDiskRouteConfig ( | |
| IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This, | |
| IN CONST EFI_STRING Configuration, | |
| OUT EFI_STRING *Progress | |
| ) | |
| { | |
| if ((Configuration == NULL) || (Progress == NULL)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| *Progress = Configuration; | |
| return EFI_NOT_FOUND; | |
| } | |
| /** | |
| Allocate memory and register the RAM disk created within RamDiskDxe | |
| driver HII. | |
| @param[in] Size If creating raw, size of the RAM disk to create. | |
| If creating from file, zero. | |
| @param[in] FileHandle If creating raw, NULL. If creating from file, the | |
| file handle. | |
| @param[in] MemoryType Type of memory to be used to create RAM Disk. | |
| @retval EFI_SUCCESS RAM disk is created and registered. | |
| @retval EFI_OUT_OF_RESOURCES Not enough storage is available to match the | |
| size required. | |
| **/ | |
| EFI_STATUS | |
| HiiCreateRamDisk ( | |
| IN UINT64 Size, | |
| IN EFI_FILE_HANDLE FileHandle, | |
| IN UINT8 MemoryType | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| UINTN BufferSize; | |
| UINT64 *StartingAddr; | |
| EFI_INPUT_KEY Key; | |
| EFI_DEVICE_PATH_PROTOCOL *DevicePath; | |
| RAM_DISK_PRIVATE_DATA *PrivateData; | |
| EFI_FILE_INFO *FileInformation; | |
| FileInformation = NULL; | |
| StartingAddr = NULL; | |
| if (FileHandle != NULL) { | |
| // | |
| // Create from file. | |
| // | |
| FileInformation = FileInfo (FileHandle); | |
| if (NULL == FileInformation) { | |
| do { | |
| CreatePopUp ( | |
| EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, | |
| &Key, | |
| L"", | |
| L"Not enough memory to get the file information!", | |
| L"Press ENTER to continue ...", | |
| L"", | |
| NULL | |
| ); | |
| } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| // | |
| // Update the size of RAM disk according to the file size. | |
| // | |
| Size = FileInformation->FileSize; | |
| } | |
| if (Size > (UINTN)-1) { | |
| do { | |
| CreatePopUp ( | |
| EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, | |
| &Key, | |
| L"", | |
| L"The given RAM disk size is too large!", | |
| L"Press ENTER to continue ...", | |
| L"", | |
| NULL | |
| ); | |
| } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| if (MemoryType == RAM_DISK_BOOT_SERVICE_DATA_MEMORY) { | |
| Status = gBS->AllocatePool ( | |
| EfiBootServicesData, | |
| (UINTN)Size, | |
| (VOID **)&StartingAddr | |
| ); | |
| } else if (MemoryType == RAM_DISK_RESERVED_MEMORY) { | |
| Status = gBS->AllocatePool ( | |
| EfiReservedMemoryType, | |
| (UINTN)Size, | |
| (VOID **)&StartingAddr | |
| ); | |
| } else { | |
| Status = EFI_INVALID_PARAMETER; | |
| } | |
| if ((StartingAddr == NULL) || EFI_ERROR (Status)) { | |
| do { | |
| CreatePopUp ( | |
| EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, | |
| &Key, | |
| L"", | |
| L"Not enough memory to create the RAM disk!", | |
| L"Press ENTER to continue ...", | |
| L"", | |
| NULL | |
| ); | |
| } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| if (FileHandle != NULL) { | |
| // | |
| // Copy the file content to the RAM disk. | |
| // | |
| BufferSize = (UINTN)Size; | |
| FileHandle->Read ( | |
| FileHandle, | |
| &BufferSize, | |
| (VOID *)(UINTN)StartingAddr | |
| ); | |
| if (BufferSize != FileInformation->FileSize) { | |
| do { | |
| CreatePopUp ( | |
| EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, | |
| &Key, | |
| L"", | |
| L"File content read error!", | |
| L"Press ENTER to continue ...", | |
| L"", | |
| NULL | |
| ); | |
| } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); | |
| return EFI_DEVICE_ERROR; | |
| } | |
| } | |
| // | |
| // Register the newly created RAM disk. | |
| // | |
| Status = RamDiskRegister ( | |
| ((UINT64)(UINTN)StartingAddr), | |
| Size, | |
| &gEfiVirtualDiskGuid, | |
| NULL, | |
| &DevicePath | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| do { | |
| CreatePopUp ( | |
| EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, | |
| &Key, | |
| L"", | |
| L"Fail to register the newly created RAM disk!", | |
| L"Press ENTER to continue ...", | |
| L"", | |
| NULL | |
| ); | |
| } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); | |
| return Status; | |
| } | |
| // | |
| // If RAM disk is created within HII, memory should be freed when the | |
| // RAM disk is unregisterd. | |
| // | |
| PrivateData = RAM_DISK_PRIVATE_FROM_THIS (RegisteredRamDisks.BackLink); | |
| PrivateData->CreateMethod = RamDiskCreateHii; | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| This function updates the registered RAM disks list on the main form. | |
| @param[in, out] ConfigPrivate | |
| Private data for configurating hii data for RAM | |
| disks. | |
| **/ | |
| VOID | |
| UpdateMainForm ( | |
| IN OUT RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivate | |
| ) | |
| { | |
| VOID *StartOpCodeHandle; | |
| VOID *EndOpCodeHandle; | |
| EFI_IFR_GUID_LABEL *StartLabel; | |
| EFI_IFR_GUID_LABEL *EndLabel; | |
| LIST_ENTRY *Entry; | |
| UINTN Index; | |
| RAM_DISK_PRIVATE_DATA *PrivateData; | |
| CHAR16 *String; | |
| CHAR16 RamDiskStr[128]; | |
| EFI_STRING_ID StringId; | |
| // | |
| // Init OpCode Handle | |
| // | |
| StartOpCodeHandle = HiiAllocateOpCodeHandle (); | |
| ASSERT (StartOpCodeHandle != NULL); | |
| EndOpCodeHandle = HiiAllocateOpCodeHandle (); | |
| ASSERT (EndOpCodeHandle != NULL); | |
| // | |
| // Create Hii Extend Label OpCode as the start opcode | |
| // | |
| StartLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode ( | |
| StartOpCodeHandle, | |
| &gEfiIfrTianoGuid, | |
| NULL, | |
| sizeof (EFI_IFR_GUID_LABEL) | |
| ); | |
| StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL; | |
| StartLabel->Number = MAIN_LABEL_LIST_START; | |
| // | |
| // Create Hii Extend Label OpCode as the end opcode | |
| // | |
| EndLabel = (EFI_IFR_GUID_LABEL *)HiiCreateGuidOpCode ( | |
| EndOpCodeHandle, | |
| &gEfiIfrTianoGuid, | |
| NULL, | |
| sizeof (EFI_IFR_GUID_LABEL) | |
| ); | |
| EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL; | |
| EndLabel->Number = MAIN_LABEL_LIST_END; | |
| Index = 0; | |
| BASE_LIST_FOR_EACH (Entry, &RegisteredRamDisks) { | |
| PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry); | |
| PrivateData->CheckBoxId = (EFI_QUESTION_ID) | |
| (MAIN_CHECKBOX_QUESTION_ID_START + Index); | |
| // | |
| // CheckBox is unchecked by default. | |
| // | |
| PrivateData->CheckBoxChecked = FALSE; | |
| String = RamDiskStr; | |
| UnicodeSPrint ( | |
| String, | |
| sizeof (RamDiskStr), | |
| L" RAM Disk %d: [0x%lx, 0x%lx]\n", | |
| Index, | |
| PrivateData->StartingAddr, | |
| PrivateData->StartingAddr + PrivateData->Size - 1 | |
| ); | |
| StringId = HiiSetString (ConfigPrivate->HiiHandle, 0, RamDiskStr, NULL); | |
| ASSERT (StringId != 0); | |
| HiiCreateCheckBoxOpCode ( | |
| StartOpCodeHandle, | |
| PrivateData->CheckBoxId, | |
| 0, | |
| 0, | |
| StringId, | |
| STRING_TOKEN (STR_RAM_DISK_LIST_HELP), | |
| EFI_IFR_FLAG_CALLBACK, | |
| 0, | |
| NULL | |
| ); | |
| Index++; | |
| } | |
| HiiUpdateForm ( | |
| ConfigPrivate->HiiHandle, | |
| &gRamDiskFormSetGuid, | |
| MAIN_FORM_ID, | |
| StartOpCodeHandle, | |
| EndOpCodeHandle | |
| ); | |
| HiiFreeOpCodeHandle (StartOpCodeHandle); | |
| HiiFreeOpCodeHandle (EndOpCodeHandle); | |
| } | |
| /** | |
| This function processes the results of changes in configuration. | |
| @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL. | |
| @param[in] Action Specifies the type of action taken by the browser. | |
| @param[in] QuestionId A unique value which is sent to the original | |
| exporting driver so that it can identify the type | |
| of data to expect. | |
| @param[in] Type The type of value for the question. | |
| @param[in] Value A pointer to the data being sent to the original | |
| exporting driver. | |
| @param[out] ActionRequest On return, points to the action requested by the | |
| callback function. | |
| @retval EFI_SUCCESS The callback successfully handled the action. | |
| @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the | |
| variable and its data. | |
| @retval EFI_DEVICE_ERROR The variable could not be saved. | |
| @retval EFI_UNSUPPORTED The specified Action is not supported by the | |
| callback. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| RamDiskCallback ( | |
| IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This, | |
| IN EFI_BROWSER_ACTION Action, | |
| IN EFI_QUESTION_ID QuestionId, | |
| IN UINT8 Type, | |
| IN EFI_IFR_TYPE_VALUE *Value, | |
| OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| RAM_DISK_PRIVATE_DATA *PrivateData; | |
| RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivate; | |
| EFI_DEVICE_PATH_PROTOCOL *FileDevPath; | |
| EFI_FILE_HANDLE FileHandle; | |
| LIST_ENTRY *Entry; | |
| LIST_ENTRY *NextEntry; | |
| if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| ConfigPrivate = RAM_DISK_CONFIG_PRIVATE_FROM_THIS (This); | |
| if (Action == EFI_BROWSER_ACTION_RETRIEVE) { | |
| Status = EFI_UNSUPPORTED; | |
| if (QuestionId == CREATE_RAW_SIZE_QUESTION_ID) { | |
| Value->u64 = EFI_PAGE_SIZE; | |
| ConfigPrivate->ConfigStore.Size = EFI_PAGE_SIZE; | |
| Status = EFI_SUCCESS; | |
| } else if (QuestionId == CREATE_RAW_MEMORY_TYPE_QUESTION_ID) { | |
| Value->u8 = RAM_DISK_BOOT_SERVICE_DATA_MEMORY; | |
| ConfigPrivate->ConfigStore.MemType = RAM_DISK_BOOT_SERVICE_DATA_MEMORY; | |
| Status = EFI_SUCCESS; | |
| } | |
| return Status; | |
| } | |
| if ((Action != EFI_BROWSER_ACTION_CHANGED) && | |
| (Action != EFI_BROWSER_ACTION_CHANGING) && | |
| (Action != EFI_BROWSER_ACTION_FORM_OPEN)) | |
| { | |
| return EFI_UNSUPPORTED; | |
| } | |
| // | |
| // Update the RAM disk list show at the main form first. | |
| // | |
| if (Action == EFI_BROWSER_ACTION_FORM_OPEN) { | |
| Status = EFI_UNSUPPORTED; | |
| if (QuestionId == MAIN_GOTO_FILE_EXPLORER_ID) { | |
| UpdateMainForm (ConfigPrivate); | |
| Status = EFI_SUCCESS; | |
| } | |
| return Status; | |
| } | |
| Status = EFI_SUCCESS; | |
| if (Action == EFI_BROWSER_ACTION_CHANGING) { | |
| switch (QuestionId) { | |
| case MAIN_GOTO_FILE_EXPLORER_ID: | |
| Status = ChooseFile (NULL, NULL, NULL, &FileDevPath); | |
| if (EFI_ERROR (Status)) { | |
| break; | |
| } | |
| if (FileDevPath != NULL) { | |
| // | |
| // Open the file. | |
| // | |
| Status = EfiOpenFileByDevicePath ( | |
| &FileDevPath, | |
| &FileHandle, | |
| EFI_FILE_MODE_READ, | |
| 0 | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| break; | |
| } | |
| // | |
| // Create from file, RAM disk size is zero. It will be updated | |
| // according to the file size. | |
| // | |
| Status = HiiCreateRamDisk ( | |
| 0, | |
| FileHandle, | |
| ConfigPrivate->ConfigStore.MemType | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| break; | |
| } | |
| // | |
| // Refresh the registered RAM disks list. | |
| // | |
| UpdateMainForm (ConfigPrivate); | |
| } | |
| break; | |
| default: | |
| break; | |
| } | |
| } else if (Action == EFI_BROWSER_ACTION_CHANGED) { | |
| switch (QuestionId) { | |
| case MAIN_REMOVE_RD_QUESTION_ID: | |
| // | |
| // Remove the selected RAM disks | |
| // | |
| BASE_LIST_FOR_EACH_SAFE (Entry, NextEntry, &RegisteredRamDisks) { | |
| PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry); | |
| if (PrivateData->CheckBoxChecked) { | |
| RamDiskUnregister ( | |
| (EFI_DEVICE_PATH_PROTOCOL *)PrivateData->DevicePath | |
| ); | |
| } | |
| } | |
| UpdateMainForm (ConfigPrivate); | |
| *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY; | |
| break; | |
| case CREATE_RAW_SIZE_QUESTION_ID: | |
| ConfigPrivate->ConfigStore.Size = Value->u64; | |
| break; | |
| case CREATE_RAW_MEMORY_TYPE_QUESTION_ID: | |
| ConfigPrivate->ConfigStore.MemType = Value->u8; | |
| break; | |
| case CREATE_RAW_SUBMIT_QUESTION_ID: | |
| // | |
| // Create raw, FileHandle is NULL. | |
| // | |
| Status = HiiCreateRamDisk ( | |
| ConfigPrivate->ConfigStore.Size, | |
| NULL, | |
| ConfigPrivate->ConfigStore.MemType | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| break; | |
| } | |
| // | |
| // Refresh the registered RAM disks list. | |
| // | |
| UpdateMainForm (ConfigPrivate); | |
| *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT; | |
| break; | |
| case CREATE_RAW_DISCARD_QUESTION_ID: | |
| *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT; | |
| break; | |
| default: | |
| // | |
| // QuestionIds for checkboxes | |
| // | |
| if ((QuestionId >= MAIN_CHECKBOX_QUESTION_ID_START) && | |
| (QuestionId < CREATE_RAW_RAM_DISK_FORM_ID)) | |
| { | |
| BASE_LIST_FOR_EACH (Entry, &RegisteredRamDisks) { | |
| PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry); | |
| if (PrivateData->CheckBoxId == QuestionId) { | |
| PrivateData->CheckBoxChecked = (BOOLEAN)(Value->u8 != 0); | |
| } | |
| } | |
| } | |
| break; | |
| } | |
| } | |
| return EFI_SUCCESS; | |
| } |