diff options
Diffstat (limited to 'Core/EM/HddSecurity/Hddpassword/ForceHddPassword.c')
| -rw-r--r-- | Core/EM/HddSecurity/Hddpassword/ForceHddPassword.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/Core/EM/HddSecurity/Hddpassword/ForceHddPassword.c b/Core/EM/HddSecurity/Hddpassword/ForceHddPassword.c new file mode 100644 index 0000000..90c9a4d --- /dev/null +++ b/Core/EM/HddSecurity/Hddpassword/ForceHddPassword.c @@ -0,0 +1,158 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/HddSecurity/HddPassword/ForceHddPassword.c 2 10/11/10 6:19p Krishnakumarg $ +// +// $Revision: 2 $ +// +// $Date: 10/11/10 6:19p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/HddSecurity/HddPassword/ForceHddPassword.c $ +// +// 2 10/11/10 6:19p Krishnakumarg +// [TAG] - EIP 45593 +// [Category] - IMPROVEMENT +// [Severity] - Minor +// [Symptom] - Build Errors in ForceHDDPassword.c on new core 4.6.4.1 +// label +// [RootCause]- IDE_CONTROLLER_PROTOCOL structure defined header not +// included +// [Solution] - Include the respective header(PIDEController.h) +// [Files] - ForceHddPassword.c +// +// 1 8/19/10 2:44a Rameshr +// Issue:Need do HDD PSW reset when warmboot +// EIP 40528 +// +// +//********************************************************************** + +//<AMI_FHDR_START> +//---------------------------------------------------------------------------- +// +// Name: ForceHddPassword.c +// +// Description: Send Disable Software Preservation command when the +// FORCE_HDD_PASSWORD_PROMPT token is set to 1 +// +//---------------------------------------------------------------------------- +//<AMI_FHDR_END> + +#include "Efi.h" +#include "token.h" +#include <AmiLib.h> +#include <AmiDxeLib.h> +#include "Protocol\PciIo.h" +#include "Protocol\DevicePath.h" +#include "protocol\DriverBinding.h" +#include "protocol\BlockIo.h" +#include "Protocol\PDiskInfo.h" +#include "Protocol\PIDEController.h" +#include "Protocol\PIDEBus.h" +#include "Protocol\PAhciBus.h" +#include "Protocol\PIDEBus.h" + + +EFI_RUNTIME_SERVICES *gRT; +EFI_BOOT_SERVICES *gBS; + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: DisableSoftwarePreservation +// +// Description: Send the Disable software Preservation +// +// Input: None +// +// Output: None +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +VOID +DisableSoftwarePreservation ( ) +{ +#if FORCE_HDD_PASSWORD_PROMPT + UINTN HandleCount; + EFI_HANDLE *HandleBuffer; + UINT8 i; + AHCI_BUS_PROTOCOL *AhciBusInterface; + EFI_GUID gEfiAhciBusProtocolGuid = AHCI_BUS_INIT_PROTOCOL_GUID; + SATA_DEVICE_INTERFACE *SataDeviceInterface; + DLINK *dlink; + COMMAND_STRUCTURE CommandStructure = {0}; + EFI_STATUS Status; + + + Status = gBS->LocateHandleBuffer ( + ByProtocol, + &gEfiAhciBusProtocolGuid, + NULL, + &HandleCount, + &HandleBuffer + ); + + if(EFI_ERROR(Status) || HandleCount == 0 ) { + return; + } + + // + // Issue Disable Software Preservation command all the Sata Devices connected. + // + for (i = 0; i < HandleCount; i++) { + Status = gBS->HandleProtocol (HandleBuffer[i], &gEfiAhciBusProtocolGuid, &AhciBusInterface); + if (!EFI_ERROR(Status)) { + dlink = AhciBusInterface->SataDeviceList.pHead; + if (dlink){ + do { + SataDeviceInterface = OUTTER(dlink, SataDeviceLink, SATA_DEVICE_INTERFACE); + + if ((SataDeviceInterface->IdentifyData.Reserved_76_79[0] != 0xFFFF )&& + (SataDeviceInterface->IdentifyData.Reserved_76_79[2] & 0x0040)&& // Software Preservation support + (SataDeviceInterface->IdentifyData.Security_Status_128 & 0x0002)&& // Security enabled + (!(SataDeviceInterface->IdentifyData.Security_Status_128 & 0x0004))) { // Security not locked + + // + // Send Disable Software Preservation command. + // + CommandStructure.Features = DISABLE_SATA2_SOFTPREV; + CommandStructure.SectorCount = 6; + CommandStructure.Command = SET_FEATURE_COMMAND; + Status = AhciBusInterface->ExecuteNonDataCommand(SataDeviceInterface, CommandStructure); + } + dlink = dlink-> pNext; + }while (dlink); + } + } + } +#endif + return; +} + + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//**********************************************************************
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