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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/BIN/Chipset/Intel/NorthBridge/Haswell/Intel SystemAgent NB Chipset/LegacyRegion/LegacyRegion Protocols/LegacyRegion2.h 1 4/02/13 6:28a Ireneyang $
//
// $Revision: 1 $
//
// $Date: 4/02/13 6:28a $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Chipset/Intel/NorthBridge/Haswell/Intel SystemAgent NB Chipset/LegacyRegion/LegacyRegion Protocols/LegacyRegion2.h $
//
// 1 4/02/13 6:28a Ireneyang
//
// 1 12/20/12 12:40p Olegi
//
// 2 5/24/11 2:04p Olegi
// Header/footer updated.
//
// 6 1/13/10 2:13p Felixp
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: LegacyRegion2.h
//
// Description: LegacyRegion2 protocol definition (PI 1.2, Volume 5)
//
//<AMI_FHDR_END>
//**********************************************************************
#ifndef __LEGACY_REGION2_PROTOCOL_H__
#define __LEGACY_REGION2_PROTOCOL_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <Efi.h>
#define EFI_LEGACY_REGION2_PROTOCOL_GUID \
{ 0x70101eaf, 0x85, 0x440c, 0xb3, 0x56, 0x8e, 0xe3, 0x6f, 0xef, 0x24, 0xf0 }
GUID_VARIABLE_DECLARATION(gEfiLegacyRegion2ProtocolGuid,EFI_LEGACY_REGION2_PROTOCOL_GUID);
typedef struct _EFI_LEGACY_REGION2_PROTOCOL EFI_LEGACY_REGION2_PROTOCOL;
typedef EFI_STATUS (EFIAPI *EFI_LEGACY_REGION2_DECODE)(
IN EFI_LEGACY_REGION2_PROTOCOL *This,
IN UINT32 Start,
IN UINT32 Length,
OUT UINT32 *Granularity,
IN BOOLEAN *On
);
typedef EFI_STATUS (EFIAPI *EFI_LEGACY_REGION2_LOCK)(
IN EFI_LEGACY_REGION2_PROTOCOL *This,
IN UINT32 Start,
IN UINT32 Length,
OUT UINT32 *Granularity
);
typedef EFI_STATUS (EFIAPI *EFI_LEGACY_REGION2_BOOT_LOCK)(
IN EFI_LEGACY_REGION2_PROTOCOL *This,
IN UINT32 Start,
IN UINT32 Length,
OUT UINT32 *Granularity OPTIONAL
);
typedef EFI_STATUS (EFIAPI *EFI_LEGACY_REGION2_UNLOCK)(
IN EFI_LEGACY_REGION2_PROTOCOL *This,
IN UINT32 Start,
IN UINT32 Length,
OUT UINT32 *Granularity
);
typedef enum {
LegacyRegionDecoded, ///< This region is currently set to allow reads.
LegacyRegionNotDecoded, ///< This region is currently set to not allow reads.
LegacyRegionWriteEnabled, ///< This region is currently set to allow writes.
LegacyRegionWriteDisabled, ///< This region is currently set to write protected.
LegacyRegionBootLocked, ///< This region's attributes are locked, cannot be modified until
///< after a power cycle.
LegacyRegionNotLocked ///< This region's attributes are not locked.
} EFI_LEGACY_REGION_ATTRIBUTE;
typedef struct {
/// The beginning of the physical address of this
/// region.
UINT32 Start;
/// The number of bytes in this region.
UINT32 Length;
/// Attribute of the Legacy Region Descriptor that
/// describes the capabilities for that memory region.
EFI_LEGACY_REGION_ATTRIBUTE Attribute;
/// Describes the byte length programmability
/// associated with the Start address and the specified
/// Attribute setting.
UINT32 Granularity;
} EFI_LEGACY_REGION_DESCRIPTOR;
typedef EFI_STATUS (EFIAPI *EFI_LEGACY_REGION_GET_INFO)(
IN EFI_LEGACY_REGION2_PROTOCOL *This,
OUT UINT32 *DescriptorCount,
OUT EFI_LEGACY_REGION_DESCRIPTOR **Descriptor
);
/// The EFI_LEGACY_REGION2_PROTOCOL is used to abstract the hardware control of the memory
/// attributes of the Option ROM shadowing region, 0xC0000 to 0xFFFFF.
/// There are three memory attributes that can be modified through this protocol: read, write and
/// boot-lock. These protocols may be set in any combination.
struct _EFI_LEGACY_REGION2_PROTOCOL {
EFI_LEGACY_REGION2_DECODE Decode;
EFI_LEGACY_REGION2_LOCK Lock;
EFI_LEGACY_REGION2_BOOT_LOCK BootLock;
EFI_LEGACY_REGION2_UNLOCK UnLock;
EFI_LEGACY_REGION_GET_INFO GetInfo;
};
/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
