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/** @file
This protocol provides the memory information data, such as
total physical memory size, memory frequency, memory size
of each dimm and rank.
This protocol is EFI compatible.
Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _MEM_INFO_PROTOCOL_H_
#define _MEM_INFO_PROTOCOL_H_
//
// Define the protocol GUID
//
#define MEM_INFO_PROTOCOL_GUID \
{ \
0x6f20f7c8, 0xe5ef, 0x4f21, 0x8d, 0x19, 0xed, 0xc5, 0xf0, 0xc4, 0x96, 0xae \
}
//
// Extern the GUID for protocol users.
//
extern EFI_GUID gMemInfoProtocolGuid;
//
// Forward reference for ANSI C compatibility
//
typedef struct _MEM_INFO_PROTOCOL MEM_INFO_PROTOCOL;
//
// Protocol definitions
//
#define CH_NUM 4
#define DIMM_NUM 1
#define RANK_NUM 2
#define MAX_SOCKETS (CH_NUM * DIMM_NUM)
/**
memSize Total physical memory size
ddrFreq DDR Frequency
EccSupport ECC Support
dimmSize Dimm Size
DimmExist Dimm Present or not
RankInDimm No. of ranks in a dimm
**/
#pragma pack(1)
typedef struct {
UINT32 memSize;
UINT16 ddrFreq;
UINT16 ddrType;
BOOLEAN EccSupport;
UINT32 dimmSize[CH_NUM * DIMM_NUM];
UINT8 reserved;
UINT16 reserved2;
UINT8 DimmPresent[CH_NUM * DIMM_NUM];
UINT8 *DimmsSpdData[CH_NUM * DIMM_NUM];
UINT8 BusWidth;
} MEMORY_INFO_DATA;
#pragma pack()
//
// Memory Information Protocol
//
struct _MEM_INFO_PROTOCOL {
MEMORY_INFO_DATA MemInfoData;
};
#endif
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