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+//*************************************************************************
+//*************************************************************************
+//** **
+//** (C)Copyright 1985-2014, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//*************************************************************************
+//*************************************************************************
+
+//*************************************************************************
+// $Header: /Alaska/SOURCE/Modules/HddSecurity/IdeSecurityBdsCall.c 2 6/09/14 9:53a Anbuprakashp $
+//
+// $Revision: 2 $
+//
+// $Date: 6/09/14 9:53a $
+//
+//*************************************************************************
+// Revision History
+// ----------------
+// $Log: /Alaska/SOURCE/Modules/HddSecurity/IdeSecurityBdsCall.c $
+//
+// 2 6/09/14 9:53a Anbuprakashp
+// [TAG] EIP 172443
+// [Category] Improvement
+// [Description] "RaidDriverBlockingStatus" is using
+// gEfiGlobalVariableGuid that violates UEFI 2.4 spec in
+// IdeSecurityBdsCall.c and Runtime attribute set of this variable need to
+// be removed
+// [Files] IdeSecurityBdsCall.c, AhciBus.c
+//
+// 1 6/06/13 4:03a Rameshr
+// [TAG] EIP106423
+// [Category] Improvement
+// [Description] HddPassword Support in UEFI Raid and Legacy Raid. And
+// also taken care where there is no Conin Device avilable in the post
+// [Files] IdeSecurity.cif
+// IdeSecurity.sdl
+// IdeSecurity.mak
+// IdeSecurity.h
+// IdeSecurity.c
+// IdeSecuritySetup.c
+// IdeSecurityBdsCall.c
+// IdeSecurity.sd
+// IdeSecurity.uni
+// IdeSecurity.dxs
+// IdeSecurity.chm
+//
+//
+//*************************************************************************
+
+//<AMI_FHDR_START>
+//----------------------------------------------------------------------------
+//
+// Name: IdeSecurityBdsCall.c
+//
+// Description: This function will connect the handle's of RAID Controllers and
+// the IDE/AHCI Devices( the handle whose DiskIo was not opened by any one.)
+//
+//
+//----------------------------------------------------------------------------
+//<AMI_FHDR_END>
+
+
+#include <PCI.h>
+#include "Protocol\DiskIo.h"
+#include <Protocol\IdeControllerInit.h>
+#include <AmiDxeLib.h>
+#include <Protocol\DevicePath.h>
+
+static EFI_GUID gAmiGlobalVariableGuid = AMI_GLOBAL_VARIABLE_GUID;
+
+
+extern EFI_STATUS GetPciHandlesByClass(
+ UINT8 Class, UINT8 SubClass, UINTN *NumberOfHandles, EFI_HANDLE **HandleBuffer
+);
+
+// <AMI_PHDR_START>
+//---------------------------------------------------------------------------
+//
+// Name: IdeConnectControllerAfterConnectEverthing
+//
+// Description:
+// This function will connect the handle's of RAID Controllers and the IDE/AHCI
+// Devices( the handle whose DiskIo was not opened by any one.)
+//
+// Input:
+// VOID
+//
+// Output:
+// VOID
+//
+// Modified:
+//
+// Referrals:
+//
+//
+// Notes:
+// If Conin Devices are not Present, RAID Option ROM will not be launched
+// by CSM BlockIo as RegisterHddNotification fucntion would get control after
+// connectEverything() is called from BDS. Rather it would be launched by
+// ShadowAllLegacyOproms() and UEFI Boot option for RAID will not be formed as
+// blockIo will not be installed by csm BlockIo driver. So Connect the RAID handle
+// so that CSM BlockIo starts. And also if Password is installed the above said case
+// will happen when no con in device is present.
+//
+// Check for any device in IDE/AHCI mode not unlocked when no ConIn Device is not present.
+// If found Connecting that Device using ConnectController() after the Device is unlocked.
+// as read would fail and FileSystem would not be formedOpen gEfiIdeControllerInitProtocolGuid
+// which will be installed on each controller. This will be opened as
+// EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER by each device handle.Connect that Handle where
+// DiskIo will be installed and not opened by another driver.
+//
+//---------------------------------------------------------------------------
+// <AMI_PHDR_END>
+
+VOID IdeConnectControllerAfterConnectEverthing( )
+{
+
+ UINT8 Index;
+ UINT8 Index1;
+ UINTN DiskIoCount;
+ UINTN Count;
+ UINTN Count1;
+ EFI_HANDLE *HandleBuffer = NULL;
+ UINTN NumHandles;
+ EFI_STATUS Status;
+ EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *DiskIoEntries = NULL;
+ EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *Entries = NULL;
+ BOOLEAN RaidDriverBlocked=FALSE;
+ UINTN VarSize=sizeof(RaidDriverBlocked);
+
+
+
+ // If Conin Devices are not Present, RAID Option ROM will not be launched
+ // by CSM BlockIo as RegisterHddNotification fucntion would get control after
+ // connectEverything() is called from BDS. Rather it would be launched by
+ // ShadowAllLegacyOproms() and UEFI Boot option for RAID will not be formed as
+ // blockIo will not be installed by csm BlockIo driver. So Connect the RAID handle
+ // so that CSM BlockIo starts. And also if Password is installed the above said case
+ // will happen when no con in device is present.
+
+ Status = GetPciHandlesByClass(PCI_CL_MASS_STOR,
+ PCI_CL_MASS_STOR_SCL_RAID,
+ &NumHandles,
+ &HandleBuffer
+ );
+
+ // Connect the handle so that CSM BlockIo Launches RAID Option Rom.
+ if(!EFI_ERROR(Status)){
+
+ Status = pRS->GetVariable( L"RaidDriverBlockingStatus",
+ &gAmiGlobalVariableGuid,
+ NULL,
+ &VarSize,
+ &RaidDriverBlocked );
+
+
+ if((EFI_ERROR(Status)) || (RaidDriverBlocked == FALSE)) {
+ return;
+ }
+
+ for(Index=0; Index<NumHandles; Index++){
+
+ // We have blocked the Raid driver until password verification is done.
+ // Now we need to un block and connect the Raid driver after HddPassword verification is done
+ Status = pBS->OpenProtocolInformation(HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ &Entries,
+ &Count1
+ );
+
+ if(!EFI_ERROR(Status)) {
+ for(Index1=0; Index1 < Count1; Index1++) {
+ if (Entries[Index1].Attributes!=EFI_OPEN_PROTOCOL_BY_DRIVER) {
+ continue;
+ }
+
+ Status = pBS->CloseProtocol (
+ HandleBuffer[Index],
+ &gEfiDevicePathProtocolGuid,
+ Entries[Index1].AgentHandle,
+ Entries[Index1].ControllerHandle
+ );
+ }
+ }
+
+ pBS->ConnectController(HandleBuffer[Index],NULL,NULL,TRUE);
+ }
+
+ } else {
+
+ // Check for any device in IDE/AHCI mode not unlocked when no ConIn Device is not present.
+ // If found Connecting that Device using ConnectController() after the Device is unlocked.
+ // Open gEfiIdeControllerInitProtocolGuid which will be installed on each controller.
+ // This will be opened as EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER by each device handle.
+ // Connect that Handle where DiskIo will be installed and not opened by another driver.
+
+ Status = pBS->LocateHandleBuffer(ByProtocol,
+ &gEfiIdeControllerInitProtocolGuid,
+ NULL,
+ &Count,
+ &HandleBuffer);
+
+ if(!EFI_ERROR(Status)){
+ for(Index=0; Index < Count; Index++) {
+ Status = pBS->OpenProtocolInformation(HandleBuffer[Index],
+ &gEfiIdeControllerInitProtocolGuid,
+ &Entries,
+ &Count1
+ );
+ if(!EFI_ERROR(Status)) {
+ for(Index1=0; Index1 < Count1; Index1++) {
+ if (Entries[Index1].Attributes!=EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {
+ continue;
+ }
+ Status = pBS->OpenProtocolInformation(Entries[Index1].ControllerHandle,
+ &gEfiDiskIoProtocolGuid,
+ &DiskIoEntries,
+ &DiskIoCount
+ );
+ if(!EFI_ERROR(Status)) {
+ if( DiskIoCount == 0 ) {
+ Status = pBS->ConnectController(Entries[Index1].ControllerHandle,
+ NULL,
+ NULL,
+ TRUE);
+ }
+ pBS->FreePool(DiskIoEntries);
+ }
+ }
+ pBS->FreePool(Entries);
+ }
+ }
+ }
+ }
+
+ if(HandleBuffer) {
+ pBS->FreePool(HandleBuffer);
+ }
+
+ return;
+}
+
+//**********************************************************************
+//**********************************************************************
+//** **
+//** (C)Copyright 1985-2014, American Megatrends, Inc. **
+//** **
+//** All Rights Reserved. **
+//** **
+//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
+//** **
+//** Phone: (770)-246-8600 **
+//** **
+//**********************************************************************
+//**********************************************************************
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