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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SMM/SmmAccess2.h 2 3/04/11 3:35p Markw $
//
// $Revision: 2 $
//
// $Date: 3/04/11 3:35p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SMM/SmmAccess2.h $
//
// 2 3/04/11 3:35p Markw
// Update headers.
//
// 1 2/07/11 4:03p Markw
// [TAG] EIP53481
// [Category] New Feature
// [Description] Add PIWG 1.1 SMM support
// [Files] mm.sdl, SmmPrivateShared.h, SmmDispatcher.mak,
// SmmDispatcher.h, SmmDispatcher.c,
// Smst.c, SmmPiSmst.c, SmmInit.c, SmmBase.c, SmmBase2.c,
// SmmDriverDispatcher.c, Smm Framewwork Protocol files, SmmPi.h,
// Smm Pi Protocol files, SmmPciRbio files
//
//
//**********************************************************************
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: SmmAccess2.h
//
// Description:
// This provides north bridge functions to open, close, lock, and describe SMM space.
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#ifndef __SMM_ACCESS2_PROTOCOL_H__
#define __SMM_ACCESS2_PROTOCOL_H__
#if PI_SPECIFICATION_VERSION >= 0x0001000A
#ifdef __cplusplus
extern "C" {
#endif
#include <EFI.h>
#define EFI_SMM_ACCESS2_PROTOCOL_GUID \
{0xc2702b74,0x800c,0x4131,0x87,0x46,0x8f,0xb5,0xb8,0x9c,0xe4,0xac}
GUID_VARIABLE_DECLARATION(gEfiSmmAccess2ProtocolGuid,EFI_SMM_ACCESS2_PROTOCOL_GUID);
//Forward Declaration
typedef struct _EFI_SMM_ACCESS2_PROTOCOL EFI_SMM_ACCESS2_PROTOCOL;
#ifndef SMM_ACCESS_DEF
#define SMM_ACCESS_DEF
#define EFI_SMRAM_OPEN 0x00000001
#define EFI_SMRAM_CLOSED 0x00000002
#define EFI_SMRAM_LOCKED 0x00000004
#define EFI_CACHEABLE 0x00000008
#define EFI_ALLOCATED 0x00000010
#define EFI_NEEDS_TESTING 0x00000020
#define EFI_NEEDS_ECC_INITIALIZATION 0x00000040
typedef struct _EFI_SMRAM_DESCRIPTOR {
EFI_PHYSICAL_ADDRESS PhysicalStart;
EFI_PHYSICAL_ADDRESS CpuStart;
UINT64 PhysicalSize;
UINT64 RegionState;
} EFI_SMRAM_DESCRIPTOR;
#endif
typedef EFI_STATUS (EFIAPI *EFI_SMM_OPEN2)(
IN EFI_SMM_ACCESS2_PROTOCOL *This
);
typedef EFI_STATUS (EFIAPI *EFI_SMM_CLOSE2)(
IN EFI_SMM_ACCESS2_PROTOCOL *This
);
typedef EFI_STATUS (EFIAPI *EFI_SMM_LOCK2)(
IN EFI_SMM_ACCESS2_PROTOCOL *This
);
typedef EFI_STATUS (EFIAPI *EFI_SMM_CAPABILITIES2)(
IN CONST EFI_SMM_ACCESS2_PROTOCOL *This,
IN OUT UINTN *SmramMapSize,
IN OUT EFI_SMRAM_DESCRIPTOR *SmramMap
);
struct _EFI_SMM_ACCESS2_PROTOCOL {
EFI_SMM_OPEN2 Open;
EFI_SMM_CLOSE2 Close;
EFI_SMM_LOCK2 Lock;
EFI_SMM_CAPABILITIES2 GetCapabilities; //Current state of the SMRAM. TRUE if locked.
BOOLEAN LockState; //Current state of the SMRAM. TRUE if open.
BOOLEAN OpenState;
};
/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
#endif
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
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