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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SMM/SmmAccess.h 3 2/07/11 3:37p Markw $
//
// $Revision: 3 $
//
// $Date: 2/07/11 3:37p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SMM/SmmAccess.h $
//
// 3 2/07/11 3:37p Markw
// [TAG] EIP53481
// [Category] New Feature
// [Description] Add PIWG 1.1 SMM support
// [Files] Smm.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
//
// 2 7/08/09 8:01p Markw
// Update headers.
//
// 1 3/18/07 1:54p Markw
//
// 2 3/13/06 1:40a Felixp
//
// 1 1/28/05 12:44p Felixp
//
// 2 1/18/05 3:22p Felixp
// PrintDebugMessage renamed to Trace
//
// 1 12/23/04 9:41a Felixp
//
// 1 1/30/04 10:26a Markw
//
// 1 1/26/04 3:25p Markw
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: SmmAccess_h
//
// Description: This provides north bridge functions to open, close, lock,
// and describe SMM space.
//
//<AMI_FHDR_END>
//**********************************************************************
#ifndef __SMM_ACCESS_PROTOCOL_H__
#define __SMM_ACCESS_PROTOCOL_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <EFI.h>
#define EFI_SMM_ACCESS_PROTOCOL_GUID \
{0x3792095a,0xe309,0x4c1e,0xaa,0x01,0x85,0xf5,0x65,0x5a,0x17,0xf1}
GUID_VARIABLE_DECLARATION(gEfiSmmAccessProtocolGuid,EFI_SMM_ACCESS_PROTOCOL_GUID);
//Forward Declaration
typedef struct _EFI_SMM_ACCESS_PROTOCOL EFI_SMM_ACCESS_PROTOCOL;
#ifndef SMM_ACCESS_DEF
#define SMM_ACCESS_DEF
//*******************************************************
//EFI_SMRAM_STATE
//*******************************************************
#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_OPEN) (
IN EFI_SMM_ACCESS_PROTOCOL *This,
IN UINTN DescriptorIndex
);
typedef EFI_STATUS (EFIAPI *EFI_SMM_CLOSE) (
IN EFI_SMM_ACCESS_PROTOCOL *This,
IN UINTN DescriptorIndex
);
typedef EFI_STATUS (EFIAPI *EFI_SMM_LOCK) (
IN EFI_SMM_ACCESS_PROTOCOL *This,
IN UINTN DescriptorIndex
);
typedef EFI_STATUS (EFIAPI *EFI_SMM_CAPABILITIES) (
IN EFI_SMM_ACCESS_PROTOCOL *This,
IN OUT UINTN *SmramMapSize,
IN OUT EFI_SMRAM_DESCRIPTOR *SmramMap
);
//**********************************************************************
//<AMI_THDR_START>
//
// Name: EFI_SMM_ACCESS_PROTOCOL
//
// Description: This provides north bridge functions to open, close, lock,
// and describe SMM space.
//
// Fields: Name Type Description
// ------------------------------------------------------------
// Open EFI_SMM_OPEN Access SMM space when in non-SMM mode.
// Close EFI_SMM_CLOSE Close SMM space when in non-SMM mode.
// Lock EFI_SMM_LOCK Do not allow access to SMM when in non-SMM Mode.
// GetCapabilities EFI_SMM_CAPABILITIES Provide information for SMM memory areas.
// LockState BOOLEAN TRUE if SMM memory is locked.
// OpenState BOOLEAN TRUE if any SMM memory is opened.
//
//<AMI_THDR_END>
//**********************************************************************
struct _EFI_SMM_ACCESS_PROTOCOL {
EFI_SMM_OPEN Open;
EFI_SMM_CLOSE Close;
EFI_SMM_LOCK Lock;
EFI_SMM_CAPABILITIES GetCapabilities;
BOOLEAN LockState;
BOOLEAN OpenState;
};
/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
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