f5e9ff82b0
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8789 6f19259b-4bc3-4df7-8a09-765794883524
1076 lines
34 KiB
C
1076 lines
34 KiB
C
/** @file
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This is an example of how a driver might export data to the HII protocol to be
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later utilized by the Setup Protocol
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Copyright (c) 2004 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "DriverSample.h"
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#define DISPLAY_ONLY_MY_ITEM 0x0002
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EFI_GUID mFormSetGuid = FORMSET_GUID;
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EFI_GUID mInventoryGuid = INVENTORY_GUID;
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CHAR16 VariableName[] = L"MyIfrNVData";
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EFI_HANDLE DriverHandle[2] = {NULL, NULL};
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DRIVER_SAMPLE_PRIVATE_DATA *PrivateData = NULL;
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HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath0 = {
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{
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{
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HARDWARE_DEVICE_PATH,
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HW_VENDOR_DP,
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{
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(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
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(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
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}
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},
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//
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// {C153B68D-EBFC-488e-B110-662867745B87}
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//
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{ 0xc153b68d, 0xebfc, 0x488e, { 0xb1, 0x10, 0x66, 0x28, 0x67, 0x74, 0x5b, 0x87 } }
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},
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{
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END_DEVICE_PATH_TYPE,
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END_ENTIRE_DEVICE_PATH_SUBTYPE,
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{
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(UINT8) (END_DEVICE_PATH_LENGTH),
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(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
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}
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}
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};
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HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {
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{
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{
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HARDWARE_DEVICE_PATH,
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HW_VENDOR_DP,
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{
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(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
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(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
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}
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},
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//
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// {06F37F07-0C48-40e9-8436-0A08A0BB76B0}
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//
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{ 0x6f37f07, 0xc48, 0x40e9, { 0x84, 0x36, 0xa, 0x8, 0xa0, 0xbb, 0x76, 0xb0 } }
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},
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{
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END_DEVICE_PATH_TYPE,
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END_ENTIRE_DEVICE_PATH_SUBTYPE,
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{
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(UINT8) (END_DEVICE_PATH_LENGTH),
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(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
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}
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}
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};
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/**
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Encode the password using a simple algorithm.
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@param Password The string to be encoded.
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@param MaxSize The size of the string.
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**/
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VOID
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EncodePassword (
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IN CHAR16 *Password,
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IN UINTN MaxSize
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)
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{
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UINTN Index;
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UINTN Loop;
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CHAR16 *Buffer;
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CHAR16 *Key;
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Key = L"MAR10648567";
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Buffer = AllocateZeroPool (MaxSize);
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ASSERT (Buffer != NULL);
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for (Index = 0; Key[Index] != 0; Index++) {
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for (Loop = 0; Loop < (UINT8) (MaxSize / 2); Loop++) {
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Buffer[Loop] = (CHAR16) (Password[Loop] ^ Key[Index]);
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}
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}
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CopyMem (Password, Buffer, MaxSize);
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FreePool (Buffer);
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return ;
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}
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/**
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Validate the user's password.
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@param PrivateData This driver's private context data.
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@param StringId The user's input.
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@retval EFI_SUCCESS The user's input matches the password.
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@retval EFI_NOT_READY The user's input does not match the password.
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**/
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EFI_STATUS
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ValidatePassword (
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IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,
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IN EFI_STRING_ID StringId
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)
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{
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EFI_STATUS Status;
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UINTN Index;
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UINTN BufferSize;
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UINTN PasswordMaxSize;
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CHAR16 *Password;
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CHAR16 *EncodedPassword;
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BOOLEAN OldPassword;
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//
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// Get encoded password first
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//
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BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
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Status = gRT->GetVariable (
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VariableName,
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&mFormSetGuid,
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NULL,
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&BufferSize,
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&PrivateData->Configuration
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);
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if (EFI_ERROR (Status)) {
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//
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// Old password not exist, prompt for new password
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//
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return EFI_SUCCESS;
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}
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OldPassword = FALSE;
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PasswordMaxSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);
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//
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// Check whether we have any old password set
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//
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for (Index = 0; Index < PasswordMaxSize / sizeof (UINT16); Index++) {
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if (PrivateData->Configuration.WhatIsThePassword2[Index] != 0) {
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OldPassword = TRUE;
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break;
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}
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}
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if (!OldPassword) {
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//
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// Old password not exist, return EFI_SUCCESS to prompt for new password
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//
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return EFI_SUCCESS;
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}
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//
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// Get user input password
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//
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Password = HiiGetString (PrivateData->HiiHandle[0], StringId, NULL);
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if (Password == NULL) {
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return EFI_NOT_READY;
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}
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if (StrSize (Password) > PasswordMaxSize) {
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FreePool (Password);
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return EFI_NOT_READY;
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}
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//
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// Validate old password
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//
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EncodedPassword = AllocateZeroPool (PasswordMaxSize);
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ASSERT (EncodedPassword != NULL);
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StrnCpy (EncodedPassword, Password, StrLen (Password));
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EncodePassword (EncodedPassword, StrLen (EncodedPassword) * sizeof (CHAR16));
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if (CompareMem (EncodedPassword, PrivateData->Configuration.WhatIsThePassword2, StrLen (EncodedPassword) * sizeof (CHAR16)) != 0) {
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//
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// Old password mismatch, return EFI_NOT_READY to prompt for error message
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//
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Status = EFI_NOT_READY;
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} else {
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Status = EFI_SUCCESS;
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}
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FreePool (Password);
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FreePool (EncodedPassword);
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return Status;
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}
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/**
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Encode the password using a simple algorithm.
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@param PrivateData This driver's private context data.
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@param StringId The password from User.
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@retval EFI_SUCESS The operation is successful.
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@return Other value if gRT->SetVariable () fails.
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**/
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EFI_STATUS
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SetPassword (
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IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,
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IN EFI_STRING_ID StringId
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)
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{
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EFI_STATUS Status;
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CHAR16 *Password;
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CHAR16 *TempPassword;
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UINTN PasswordSize;
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DRIVER_SAMPLE_CONFIGURATION *Configuration;
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UINTN BufferSize;
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//
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// Get Buffer Storage data from EFI variable
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//
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BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
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Status = gRT->GetVariable (
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VariableName,
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&mFormSetGuid,
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NULL,
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&BufferSize,
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&PrivateData->Configuration
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Get user input password
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//
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Password = &PrivateData->Configuration.WhatIsThePassword2[0];
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PasswordSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);
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ZeroMem (Password, PasswordSize);
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TempPassword = HiiGetString (PrivateData->HiiHandle[0], StringId, NULL);
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if (TempPassword == NULL) {
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return EFI_NOT_READY;
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}
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if (StrSize (TempPassword) > PasswordSize) {
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FreePool (TempPassword);
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return EFI_NOT_READY;
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}
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StrnCpy (Password, TempPassword, StrLen (TempPassword));
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FreePool (TempPassword);
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//
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// Retrive uncommitted data from Browser
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//
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Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_CONFIGURATION));
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ASSERT (Configuration != NULL);
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if (HiiGetBrowserData (&mFormSetGuid, VariableName, sizeof (DRIVER_SAMPLE_CONFIGURATION), (UINT8 *) Configuration)) {
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//
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// Update password's clear text in the screen
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//
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CopyMem (Configuration->PasswordClearText, Password, StrSize (Password));
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//
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// Update uncommitted data of Browser
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//
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HiiSetBrowserData (
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&mFormSetGuid,
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VariableName,
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sizeof (DRIVER_SAMPLE_CONFIGURATION),
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(UINT8 *) Configuration,
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NULL
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);
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}
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//
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// Free Configuration Buffer
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//
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FreePool (Configuration);
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//
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// Set password
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//
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EncodePassword (Password, StrLen (Password) * 2);
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Status = gRT->SetVariable(
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VariableName,
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&mFormSetGuid,
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EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
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sizeof (DRIVER_SAMPLE_CONFIGURATION),
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&PrivateData->Configuration
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);
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return Status;
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}
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/**
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This function allows a caller to extract the current configuration for one
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or more named elements from the target driver.
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@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param Request A null-terminated Unicode string in
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<ConfigRequest> format.
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@param Progress On return, points to a character in the Request
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string. Points to the string's null terminator if
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request was successful. Points to the most recent
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'&' before the first failing name/value pair (or
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the beginning of the string if the failure is in
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the first name/value pair) if the request was not
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successful.
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@param Results A null-terminated Unicode string in
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<ConfigAltResp> format which has all values filled
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in for the names in the Request string. String to
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be allocated by the called function.
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@retval EFI_SUCCESS The Results is filled with the requested values.
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@retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
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@retval EFI_INVALID_PARAMETER Request is NULL, illegal syntax, or unknown name.
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@retval EFI_NOT_FOUND Routing data doesn't match any storage in this
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driver.
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**/
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EFI_STATUS
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EFIAPI
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ExtractConfig (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN CONST EFI_STRING Request,
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OUT EFI_STRING *Progress,
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OUT EFI_STRING *Results
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)
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{
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EFI_STATUS Status;
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UINTN BufferSize;
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DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;
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EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
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EFI_STRING ConfigRequest;
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EFI_STRING ConfigRequestHdr;
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UINTN Size;
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if (Progress == NULL || Results == NULL || Request == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Initialize the local variables.
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//
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ConfigRequestHdr = NULL;
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ConfigRequest = NULL;
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Size = 0;
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*Progress = Request;
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PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
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HiiConfigRouting = PrivateData->HiiConfigRouting;
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//
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// Get Buffer Storage data from EFI variable.
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// Try to get the current setting from variable.
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//
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BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
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Status = gRT->GetVariable (
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VariableName,
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&mFormSetGuid,
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NULL,
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&BufferSize,
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&PrivateData->Configuration
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);
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if (EFI_ERROR (Status)) {
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return EFI_NOT_FOUND;
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}
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if (Request == NULL) {
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//
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// Request is set to NULL, construct full request string.
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//
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//
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// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
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// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
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//
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ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
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Size = (StrLen (ConfigRequest) + 32 + 1) * sizeof (CHAR16);
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ConfigRequest = AllocateZeroPool (Size);
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UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
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FreePool (ConfigRequestHdr);
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} else {
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//
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// Check routing data in <ConfigHdr>.
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// Note: if only one Storage is used, then this checking could be skipped.
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//
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if (!HiiIsConfigHdrMatch (Request, &mFormSetGuid, VariableName)) {
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return EFI_NOT_FOUND;
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}
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ConfigRequest = Request;
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}
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//
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// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
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//
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Status = HiiConfigRouting->BlockToConfig (
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HiiConfigRouting,
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ConfigRequest,
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(UINT8 *) &PrivateData->Configuration,
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BufferSize,
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Results,
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Progress
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);
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if (Request == NULL) {
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FreePool (ConfigRequest);
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*Progress = NULL;
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}
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return Status;
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}
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/**
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This function processes the results of changes in configuration.
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@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
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@param Configuration A null-terminated Unicode string in <ConfigResp>
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format.
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@param Progress A pointer to a string filled in with the offset of
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the most recent '&' before the first failing
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name/value pair (or the beginning of the string if
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the failure is in the first name/value pair) or
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the terminating NULL if all was successful.
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@retval EFI_SUCCESS The Results is processed successfully.
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@retval EFI_INVALID_PARAMETER Configuration is NULL.
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@retval EFI_NOT_FOUND Routing data doesn't match any storage in this
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driver.
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**/
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EFI_STATUS
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EFIAPI
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RouteConfig (
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IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
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IN CONST EFI_STRING Configuration,
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OUT EFI_STRING *Progress
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)
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{
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EFI_STATUS Status;
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UINTN BufferSize;
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DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;
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EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
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if (Configuration == NULL || Progress == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
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HiiConfigRouting = PrivateData->HiiConfigRouting;
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*Progress = Configuration;
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//
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// Check routing data in <ConfigHdr>.
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// Note: if only one Storage is used, then this checking could be skipped.
|
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//
|
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if (!HiiIsConfigHdrMatch (Configuration, &mFormSetGuid, VariableName)) {
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return EFI_NOT_FOUND;
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}
|
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|
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//
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// Get Buffer Storage data from EFI variable
|
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//
|
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BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
|
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Status = gRT->GetVariable (
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VariableName,
|
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&mFormSetGuid,
|
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NULL,
|
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&BufferSize,
|
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&PrivateData->Configuration
|
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);
|
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if (EFI_ERROR (Status)) {
|
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return Status;
|
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}
|
|
|
|
//
|
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// Convert <ConfigResp> to buffer data by helper function ConfigToBlock()
|
|
//
|
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BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
|
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Status = HiiConfigRouting->ConfigToBlock (
|
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HiiConfigRouting,
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Configuration,
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(UINT8 *) &PrivateData->Configuration,
|
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&BufferSize,
|
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Progress
|
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);
|
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if (EFI_ERROR (Status)) {
|
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return Status;
|
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}
|
|
|
|
//
|
|
// Store Buffer Storage back to EFI variable
|
|
//
|
|
Status = gRT->SetVariable(
|
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VariableName,
|
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&mFormSetGuid,
|
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EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
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sizeof (DRIVER_SAMPLE_CONFIGURATION),
|
|
&PrivateData->Configuration
|
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);
|
|
|
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return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
This function processes the results of changes in configuration.
|
|
|
|
@param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
|
|
@param Action Specifies the type of action taken by the browser.
|
|
@param QuestionId A unique value which is sent to the original
|
|
exporting driver so that it can identify the type
|
|
of data to expect.
|
|
@param Type The type of value for the question.
|
|
@param Value A pointer to the data being sent to the original
|
|
exporting driver.
|
|
@param 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
|
|
DriverCallback (
|
|
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
|
|
)
|
|
{
|
|
DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;
|
|
EFI_STATUS Status;
|
|
UINT8 MyVar;
|
|
VOID *StartOpCodeHandle;
|
|
VOID *OptionsOpCodeHandle;
|
|
EFI_IFR_GUID_LABEL *StartLabel;
|
|
VOID *EndOpCodeHandle;
|
|
EFI_IFR_GUID_LABEL *EndLabel;
|
|
|
|
if ((Value == NULL) || (ActionRequest == NULL)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Type == EFI_IFR_TYPE_STRING) && (Value->string == 0)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
|
|
Status = EFI_SUCCESS;
|
|
PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
|
|
|
|
switch (QuestionId) {
|
|
case 0x1234:
|
|
//
|
|
// Initialize the container for dynamic opcodes
|
|
//
|
|
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 = LABEL_UPDATE1;
|
|
|
|
//
|
|
// 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 = LABEL_END;
|
|
|
|
HiiCreateActionOpCode (
|
|
StartOpCodeHandle, // Container for dynamic created opcodes
|
|
0x1237, // Question ID
|
|
STRING_TOKEN(STR_EXIT_TEXT), // Prompt text
|
|
STRING_TOKEN(STR_EXIT_TEXT), // Help text
|
|
EFI_IFR_FLAG_CALLBACK, // Question flag
|
|
0 // Action String ID
|
|
);
|
|
|
|
//
|
|
// Create Option OpCode
|
|
//
|
|
OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();
|
|
ASSERT (OptionsOpCodeHandle != NULL);
|
|
|
|
HiiCreateOneOfOptionOpCode (
|
|
OptionsOpCodeHandle,
|
|
STRING_TOKEN (STR_BOOT_OPTION1),
|
|
0,
|
|
EFI_IFR_NUMERIC_SIZE_1,
|
|
1
|
|
);
|
|
|
|
HiiCreateOneOfOptionOpCode (
|
|
OptionsOpCodeHandle,
|
|
STRING_TOKEN (STR_BOOT_OPTION2),
|
|
0,
|
|
EFI_IFR_NUMERIC_SIZE_1,
|
|
2
|
|
);
|
|
|
|
//
|
|
// Prepare initial value for the dynamic created oneof Question
|
|
//
|
|
PrivateData->Configuration.DynamicOneof = 2;
|
|
Status = gRT->SetVariable(
|
|
VariableName,
|
|
&mFormSetGuid,
|
|
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
|
sizeof (DRIVER_SAMPLE_CONFIGURATION),
|
|
&PrivateData->Configuration
|
|
);
|
|
|
|
HiiCreateOneOfOpCode (
|
|
StartOpCodeHandle, // Container for dynamic created opcodes
|
|
0x8001, // Question ID (or call it "key")
|
|
CONFIGURATION_VARSTORE_ID, // VarStore ID
|
|
(UINT16) DYNAMIC_ONE_OF_VAR_OFFSET, // Offset in Buffer Storage
|
|
STRING_TOKEN (STR_ONE_OF_PROMPT), // Question prompt text
|
|
STRING_TOKEN (STR_ONE_OF_HELP), // Question help text
|
|
EFI_IFR_FLAG_CALLBACK, // Question flag
|
|
EFI_IFR_NUMERIC_SIZE_1, // Data type of Question Value
|
|
OptionsOpCodeHandle, // Option Opcode list
|
|
NULL // Default Opcode is NULl
|
|
);
|
|
|
|
HiiCreateOrderedListOpCode (
|
|
StartOpCodeHandle, // Container for dynamic created opcodes
|
|
0x8002, // Question ID
|
|
CONFIGURATION_VARSTORE_ID, // VarStore ID
|
|
(UINT16) DYNAMIC_ORDERED_LIST_VAR_OFFSET, // Offset in Buffer Storage
|
|
STRING_TOKEN (STR_BOOT_OPTIONS), // Question prompt text
|
|
STRING_TOKEN (STR_BOOT_OPTIONS), // Question help text
|
|
EFI_IFR_FLAG_RESET_REQUIRED, // Question flag
|
|
0, // Ordered list flag, e.g. EFI_IFR_UNIQUE_SET
|
|
EFI_IFR_NUMERIC_SIZE_1, // Data type of Question value
|
|
5, // Maximum container
|
|
OptionsOpCodeHandle, // Option Opcode list
|
|
NULL // Default Opcode is NULl
|
|
);
|
|
|
|
HiiCreateGotoOpCode (
|
|
StartOpCodeHandle, // Container for dynamic created opcodes
|
|
1, // Target Form ID
|
|
STRING_TOKEN (STR_GOTO_FORM1), // Prompt text
|
|
STRING_TOKEN (STR_GOTO_HELP), // Help text
|
|
0, // Question flag
|
|
0x8003 // Question ID
|
|
);
|
|
|
|
HiiUpdateForm (
|
|
PrivateData->HiiHandle[0], // HII handle
|
|
&mFormSetGuid, // Formset GUID
|
|
0x1234, // Form ID
|
|
StartOpCodeHandle, // Label for where to insert opcodes
|
|
EndOpCodeHandle // Replace data
|
|
);
|
|
|
|
HiiFreeOpCodeHandle (StartOpCodeHandle);
|
|
HiiFreeOpCodeHandle (OptionsOpCodeHandle);
|
|
break;
|
|
|
|
case 0x5678:
|
|
//
|
|
// We will reach here once the Question is refreshed
|
|
//
|
|
|
|
//
|
|
// Initialize the container for dynamic opcodes
|
|
//
|
|
StartOpCodeHandle = HiiAllocateOpCodeHandle ();
|
|
ASSERT (StartOpCodeHandle != 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 = LABEL_UPDATE2;
|
|
|
|
HiiCreateActionOpCode (
|
|
StartOpCodeHandle, // Container for dynamic created opcodes
|
|
0x1237, // Question ID
|
|
STRING_TOKEN(STR_EXIT_TEXT), // Prompt text
|
|
STRING_TOKEN(STR_EXIT_TEXT), // Help text
|
|
EFI_IFR_FLAG_CALLBACK, // Question flag
|
|
0 // Action String ID
|
|
);
|
|
|
|
HiiUpdateForm (
|
|
PrivateData->HiiHandle[0], // HII handle
|
|
&mFormSetGuid, // Formset GUID
|
|
0x3, // Form ID
|
|
StartOpCodeHandle, // Label for where to insert opcodes
|
|
NULL // Insert data
|
|
);
|
|
|
|
HiiFreeOpCodeHandle (StartOpCodeHandle);
|
|
|
|
//
|
|
// Refresh the Question value
|
|
//
|
|
PrivateData->Configuration.DynamicRefresh++;
|
|
Status = gRT->SetVariable(
|
|
VariableName,
|
|
&mFormSetGuid,
|
|
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
|
sizeof (DRIVER_SAMPLE_CONFIGURATION),
|
|
&PrivateData->Configuration
|
|
);
|
|
|
|
//
|
|
// Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause
|
|
// the first statement in Form 3 be suppressed
|
|
//
|
|
MyVar = 111;
|
|
Status = gRT->SetVariable(
|
|
L"MyVar",
|
|
&mFormSetGuid,
|
|
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
|
1,
|
|
&MyVar
|
|
);
|
|
break;
|
|
|
|
case 0x1237:
|
|
//
|
|
// User press "Exit now", request Browser to exit
|
|
//
|
|
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
|
|
break;
|
|
|
|
case 0x1238:
|
|
//
|
|
// User press "Save now", request Browser to save the uncommitted data.
|
|
//
|
|
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;
|
|
break;
|
|
|
|
case 0x2000:
|
|
//
|
|
// When try to set a new password, user will be chanlleged with old password.
|
|
// The Callback is responsible for validating old password input by user,
|
|
// If Callback return EFI_SUCCESS, it indicates validation pass.
|
|
//
|
|
switch (PrivateData->PasswordState) {
|
|
case BROWSER_STATE_VALIDATE_PASSWORD:
|
|
Status = ValidatePassword (PrivateData, Value->string);
|
|
if (Status == EFI_SUCCESS) {
|
|
PrivateData->PasswordState = BROWSER_STATE_SET_PASSWORD;
|
|
}
|
|
break;
|
|
|
|
case BROWSER_STATE_SET_PASSWORD:
|
|
Status = SetPassword (PrivateData, Value->string);
|
|
PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Main entry for this driver.
|
|
|
|
@param ImageHandle Image handle this driver.
|
|
@param SystemTable Pointer to SystemTable.
|
|
|
|
@retval EFI_SUCESS This function always complete successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DriverSampleInit (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_HII_HANDLE HiiHandle[2];
|
|
EFI_SCREEN_DESCRIPTOR Screen;
|
|
EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
|
|
EFI_HII_STRING_PROTOCOL *HiiString;
|
|
EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;
|
|
EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
|
|
CHAR16 *NewString;
|
|
UINTN BufferSize;
|
|
DRIVER_SAMPLE_CONFIGURATION *Configuration;
|
|
BOOLEAN ActionFlag;
|
|
EFI_STRING ConfigRequestHdr;
|
|
|
|
//
|
|
// Initialize the local variables.
|
|
//
|
|
ConfigRequestHdr = NULL;
|
|
//
|
|
// Initialize screen dimensions for SendForm().
|
|
// Remove 3 characters from top and bottom
|
|
//
|
|
ZeroMem (&Screen, sizeof (EFI_SCREEN_DESCRIPTOR));
|
|
gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Screen.RightColumn, &Screen.BottomRow);
|
|
|
|
Screen.TopRow = 3;
|
|
Screen.BottomRow = Screen.BottomRow - 3;
|
|
|
|
//
|
|
// Initialize driver private data
|
|
//
|
|
PrivateData = AllocatePool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));
|
|
if (PrivateData == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
PrivateData->Signature = DRIVER_SAMPLE_PRIVATE_SIGNATURE;
|
|
|
|
PrivateData->ConfigAccess.ExtractConfig = ExtractConfig;
|
|
PrivateData->ConfigAccess.RouteConfig = RouteConfig;
|
|
PrivateData->ConfigAccess.Callback = DriverCallback;
|
|
PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;
|
|
|
|
//
|
|
// Locate Hii Database protocol
|
|
//
|
|
Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
PrivateData->HiiDatabase = HiiDatabase;
|
|
|
|
//
|
|
// Locate HiiString protocol
|
|
//
|
|
Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &HiiString);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
PrivateData->HiiString = HiiString;
|
|
|
|
//
|
|
// Locate Formbrowser2 protocol
|
|
//
|
|
Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
PrivateData->FormBrowser2 = FormBrowser2;
|
|
|
|
//
|
|
// Locate ConfigRouting protocol
|
|
//
|
|
Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
PrivateData->HiiConfigRouting = HiiConfigRouting;
|
|
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&DriverHandle[0],
|
|
&gEfiDevicePathProtocolGuid,
|
|
&mHiiVendorDevicePath0,
|
|
&gEfiHiiConfigAccessProtocolGuid,
|
|
&PrivateData->ConfigAccess,
|
|
NULL
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
PrivateData->DriverHandle[0] = DriverHandle[0];
|
|
|
|
//
|
|
// Publish our HII data
|
|
//
|
|
HiiHandle[0] = HiiAddPackages (
|
|
&mFormSetGuid,
|
|
DriverHandle[0],
|
|
DriverSampleStrings,
|
|
VfrBin,
|
|
NULL
|
|
);
|
|
if (HiiHandle[0] == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
PrivateData->HiiHandle[0] = HiiHandle[0];
|
|
|
|
//
|
|
// Publish another Fromset
|
|
//
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
&DriverHandle[1],
|
|
&gEfiDevicePathProtocolGuid,
|
|
&mHiiVendorDevicePath1,
|
|
NULL
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
PrivateData->DriverHandle[1] = DriverHandle[1];
|
|
|
|
HiiHandle[1] = HiiAddPackages (
|
|
&mInventoryGuid,
|
|
DriverHandle[1],
|
|
DriverSampleStrings,
|
|
InventoryBin,
|
|
NULL
|
|
);
|
|
if (HiiHandle[1] == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
PrivateData->HiiHandle[1] = HiiHandle[1];
|
|
|
|
//
|
|
// Very simple example of how one would update a string that is already
|
|
// in the HII database
|
|
//
|
|
NewString = L"700 Mhz";
|
|
|
|
if (HiiSetString (HiiHandle[0], STRING_TOKEN (STR_CPU_STRING2), NewString, NULL) == 0) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
//
|
|
// Initialize configuration data
|
|
//
|
|
Configuration = &PrivateData->Configuration;
|
|
ZeroMem (Configuration, sizeof (DRIVER_SAMPLE_CONFIGURATION));
|
|
|
|
//
|
|
// Try to read NV config EFI variable first
|
|
//
|
|
ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, DriverHandle[0]);
|
|
ASSERT (ConfigRequestHdr != NULL);
|
|
|
|
BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
|
|
Status = gRT->GetVariable (VariableName, &mFormSetGuid, NULL, &BufferSize, Configuration);
|
|
if (EFI_ERROR (Status)) {
|
|
//
|
|
// Store zero data Buffer Storage to EFI variable
|
|
//
|
|
Status = gRT->SetVariable(
|
|
VariableName,
|
|
&mFormSetGuid,
|
|
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
|
sizeof (DRIVER_SAMPLE_CONFIGURATION),
|
|
Configuration
|
|
);
|
|
ASSERT (Status == EFI_SUCCESS);
|
|
//
|
|
// EFI variable for NV config doesn't exit, we should build this variable
|
|
// based on default values stored in IFR
|
|
//
|
|
ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
|
|
ASSERT (ActionFlag);
|
|
} else {
|
|
//
|
|
// EFI variable does exist and Validate Current Setting
|
|
//
|
|
ActionFlag = HiiValidateSettings (ConfigRequestHdr);
|
|
ASSERT (ActionFlag);
|
|
}
|
|
|
|
FreePool (ConfigRequestHdr);
|
|
|
|
|
|
//
|
|
// In default, this driver is built into Flash device image,
|
|
// the following code doesn't run.
|
|
//
|
|
|
|
//
|
|
// Example of how to display only the item we sent to HII
|
|
// When this driver is not built into Flash device image,
|
|
// it need to call SendForm to show front page by itself.
|
|
//
|
|
if (DISPLAY_ONLY_MY_ITEM <= 1) {
|
|
//
|
|
// Have the browser pull out our copy of the data, and only display our data
|
|
//
|
|
Status = FormBrowser2->SendForm (
|
|
FormBrowser2,
|
|
&(HiiHandle[DISPLAY_ONLY_MY_ITEM]),
|
|
1,
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
NULL
|
|
);
|
|
|
|
HiiRemovePackages (HiiHandle[0]);
|
|
|
|
HiiRemovePackages (HiiHandle[1]);
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Unloads the application and its installed protocol.
|
|
|
|
@param[in] ImageHandle Handle that identifies the image to be unloaded.
|
|
|
|
@retval EFI_SUCCESS The image has been unloaded.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DriverSampleUnload (
|
|
IN EFI_HANDLE ImageHandle
|
|
)
|
|
{
|
|
if (DriverHandle[0] != NULL) {
|
|
gBS->UninstallMultipleProtocolInterfaces (
|
|
DriverHandle[0],
|
|
&gEfiDevicePathProtocolGuid,
|
|
&mHiiVendorDevicePath0,
|
|
&gEfiHiiConfigAccessProtocolGuid,
|
|
&PrivateData->ConfigAccess,
|
|
NULL
|
|
);
|
|
}
|
|
|
|
if (DriverHandle[1] != NULL) {
|
|
gBS->UninstallMultipleProtocolInterfaces (
|
|
DriverHandle[1],
|
|
&gEfiDevicePathProtocolGuid,
|
|
&mHiiVendorDevicePath1,
|
|
NULL
|
|
);
|
|
}
|
|
|
|
if (PrivateData->HiiHandle[0] != NULL) {
|
|
HiiRemovePackages (PrivateData->HiiHandle[0]);
|
|
}
|
|
|
|
if (PrivateData->HiiHandle[1] != NULL) {
|
|
HiiRemovePackages (PrivateData->HiiHandle[1]);
|
|
}
|
|
|
|
if (PrivateData != NULL) {
|
|
FreePool (PrivateData);
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|