/** @file
  This file contains definitions required for creation of
  Memory S3 Save data, Memory Info data and Memory Platform
  data hobs.

  @copyright
  Copyright (c) 1999 - 2020, 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 that 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.

@par Specification Reference:
**/
#ifndef _MEM_INFO_HOB_H_
#define _MEM_INFO_HOB_H_

#pragma pack (push, 1)

extern EFI_GUID gSiMemoryS3DataGuid;
extern EFI_GUID gSiMemoryInfoDataGuid;
extern EFI_GUID gSiMemoryPlatformDataGuid;

#define MAX_TRACE_CACHE_TYPE  3

#define MAX_NODE        2
#define MAX_CH          4
#define MAX_DIMM        2

///
/// Host reset states from MRC.
///
#define  WARM_BOOT        2

#define R_MC_CHNL_RANK_PRESENT  0x7C
#define   B_RANK0_PRS           BIT0
#define   B_RANK1_PRS           BIT1
#define   B_RANK2_PRS           BIT4
#define   B_RANK3_PRS           BIT5

// @todo remove and use the MdePkg\Include\Pi\PiHob.h
#if !defined(_PEI_HOB_H_) && !defined(__PI_HOB_H__)
#ifndef __HOB__H__
typedef struct _EFI_HOB_GENERIC_HEADER {
  UINT16  HobType;
  UINT16  HobLength;
  UINT32  Reserved;
} EFI_HOB_GENERIC_HEADER;

typedef struct _EFI_HOB_GUID_TYPE {
  EFI_HOB_GENERIC_HEADER  Header;
  EFI_GUID                Name;
  ///
  /// Guid specific data goes here
  ///
} EFI_HOB_GUID_TYPE;
#endif
#endif

///
/// Defines taken from MRC so avoid having to include MrcInterface.h
///

//
// Matches MAX_SPD_SAVE define in MRC
//
#ifndef MAX_SPD_SAVE
#define MAX_SPD_SAVE 29
#endif

//
// MRC version description.
//
typedef struct {
  UINT8  Major;     ///< Major version number
  UINT8  Minor;     ///< Minor version number
  UINT8  Rev;       ///< Revision number
  UINT8  Build;     ///< Build number
} SiMrcVersion;

//
// Matches MrcDimmSts enum in MRC
//
#ifndef DIMM_ENABLED
#define DIMM_ENABLED     0  // DIMM/rank Pair is enabled, presence will be detected.
#endif
#ifndef DIMM_DISABLED
#define DIMM_DISABLED    1  // DIMM/rank Pair is disabled, regardless of presence.
#endif
#ifndef DIMM_PRESENT
#define DIMM_PRESENT     2  // There is a DIMM present in the slot/rank pair and it will be used.
#endif
#ifndef DIMM_NOT_PRESENT
#define DIMM_NOT_PRESENT 3  // There is no DIMM present in the slot/rank pair.
#endif

//
// Matches MrcBootMode enum in MRC
//
#ifndef __MRC_BOOT_MODE__
#define __MRC_BOOT_MODE__                 //The below values are originated from MrcCommonTypes.h
  #ifndef INT32_MAX
  #define INT32_MAX                       (0x7FFFFFFF)
  #endif  //INT32_MAX
typedef enum {
  bmCold,                                 ///< Cold boot
  bmWarm,                                 ///< Warm boot
  bmS3,                                   ///< S3 resume
  bmFast,                                 ///< Fast boot
  MrcBootModeMax,                         ///< MRC_BOOT_MODE enumeration maximum value.
  MrcBootModeDelim = INT32_MAX            ///< This value ensures the enum size is consistent on both sides of the PPI.
} MRC_BOOT_MODE;
#endif  //__MRC_BOOT_MODE__

//
// Matches MrcDdrType enum in MRC
//
#ifndef MRC_DDR_TYPE_DDR4
#define MRC_DDR_TYPE_DDR4     0
#endif
#ifndef MRC_DDR_TYPE_DDR3
#define MRC_DDR_TYPE_DDR3     1
#endif
#ifndef MRC_DDR_TYPE_LPDDR3
#define MRC_DDR_TYPE_LPDDR3   2
#endif
#ifndef MRC_DDR_TYPE_LPDDR4
#define MRC_DDR_TYPE_LPDDR4   3
#endif
#ifndef MRC_DDR_TYPE_WIO2
#define MRC_DDR_TYPE_WIO2     4
#endif
#ifndef MRC_DDR_TYPE_UNKNOWN
#define MRC_DDR_TYPE_UNKNOWN  5
#endif

#define MAX_PROFILE_NUM     4 // number of memory profiles supported
#define MAX_XMP_PROFILE_NUM 2 // number of XMP profiles supported

//
// DIMM timings
//
typedef struct {
  UINT32 tCK;       ///< Memory cycle time, in femtoseconds.
  UINT16 NMode;     ///< Number of tCK cycles for the channel DIMM's command rate mode.
  UINT16 tCL;       ///< Number of tCK cycles for the channel DIMM's CAS latency.
  UINT16 tCWL;      ///< Number of tCK cycles for the channel DIMM's minimum CAS write latency time.
  UINT16 tFAW;      ///< Number of tCK cycles for the channel DIMM's minimum four activate window delay time.
  UINT16 tRAS;      ///< Number of tCK cycles for the channel DIMM's minimum active to precharge delay time.
  UINT16 tRCDtRP;   ///< Number of tCK cycles for the channel DIMM's minimum RAS# to CAS# delay time and Row Precharge delay time.
  UINT16 tREFI;     ///< Number of tCK cycles for the channel DIMM's minimum Average Periodic Refresh Interval.
  UINT16 tRFC;      ///< Number of tCK cycles for the channel DIMM's minimum refresh recovery delay time.
  UINT16 tRFCpb;    ///< Number of tCK cycles for the channel DIMM's minimum per bank refresh recovery delay time.
  UINT16 tRFC2;     ///< Number of tCK cycles for the channel DIMM's minimum refresh recovery delay time.
  UINT16 tRFC4;     ///< Number of tCK cycles for the channel DIMM's minimum refresh recovery delay time.
  UINT16 tRPab;     ///< Number of tCK cycles for the channel DIMM's minimum row precharge delay time for all banks.
  UINT16 tRRD;      ///< Number of tCK cycles for the channel DIMM's minimum row active to row active delay time.
  UINT16 tRRD_L;    ///< Number of tCK cycles for the channel DIMM's minimum row active to row active delay time for same bank groups.
  UINT16 tRRD_S;    ///< Number of tCK cycles for the channel DIMM's minimum row active to row active delay time for different bank groups.
  UINT16 tRTP;      ///< Number of tCK cycles for the channel DIMM's minimum internal read to precharge command delay time.
  UINT16 tWR;       ///< Number of tCK cycles for the channel DIMM's minimum write recovery time.
  UINT16 tWTR;      ///< Number of tCK cycles for the channel DIMM's minimum internal write to read command delay time.
  UINT16 tWTR_L;    ///< Number of tCK cycles for the channel DIMM's minimum internal write to read command delay time for same bank groups.
  UINT16 tWTR_S;    ///< Number of tCK cycles for the channel DIMM's minimum internal write to read command delay time for different bank groups.
  UINT16 tCCD_L;  ///< Number of tCK cycles for the channel DIMM's minimum CAS-to-CAS delay for same bank group.
} MRC_CH_TIMING;

///
/// Memory SMBIOS & OC Memory Data Hob
///
typedef struct {
  UINT8            Status;                  ///< See MrcDimmStatus for the definition of this field.
  UINT8            DimmId;
  UINT32           DimmCapacity;            ///< DIMM size in MBytes.
  UINT16           MfgId;
  UINT8            ModulePartNum[20];       ///< Module part number for DDR3 is 18 bytes however for DRR4 20 bytes as per JEDEC Spec, so reserving 20 bytes
  UINT8            RankInDimm;              ///< The number of ranks in this DIMM.
  UINT8            SpdDramDeviceType;       ///< Save SPD DramDeviceType information needed for SMBIOS structure creation.
  UINT8            SpdModuleType;           ///< Save SPD ModuleType information needed for SMBIOS structure creation.
  UINT8            SpdModuleMemoryBusWidth; ///< Save SPD ModuleMemoryBusWidth information needed for SMBIOS structure creation.
  UINT8            SpdSave[MAX_SPD_SAVE];   ///< Save SPD Manufacturing information needed for SMBIOS structure creation.
  UINT16           Speed;                   ///< The maximum capable speed of the device, in MHz
  UINT8            MdSocket;                ///< MdSocket: 0 = Memory Down, 1 = Socketed. Needed for SMBIOS structure creation.
} DIMM_INFO;

typedef struct {
  UINT8            Status;                  ///< Indicates whether this channel should be used.
  UINT8            ChannelId;
  UINT8            DimmCount;               ///< Number of valid DIMMs that exist in the channel.
  MRC_CH_TIMING    Timing[MAX_PROFILE_NUM]; ///< The channel timing values.
  DIMM_INFO        DimmInfo[MAX_DIMM];      ///< Save the DIMM output characteristics.
} CHANNEL_INFO;

typedef struct {
  UINT8            Status;                  ///< Indicates whether this controller should be used.
  UINT16           DeviceId;                ///< The PCI device id of this memory controller.
  UINT8            RevisionId;              ///< The PCI revision id of this memory controller.
  UINT8            ChannelCount;            ///< Number of valid channels that exist on the controller.
  CHANNEL_INFO     ChannelInfo[MAX_CH];     ///< The following are channel level definitions.
} CONTROLLER_INFO;

typedef struct {
  UINT64   BaseAddress;   ///< Trace Base Address
  UINT64   TotalSize;     ///< Total Trace Region of Same Cache type
  UINT8    CacheType;     ///< Trace Cache Type
  UINT8    ErrorCode;     ///< Trace Region Allocation Fail Error code
  UINT8    Rsvd[2];
} PSMI_MEM_INFO;

typedef struct {
  UINT8             Revision;
  UINT16            DataWidth;              ///< Data width, in bits, of this memory device
  /** As defined in SMBIOS 3.0 spec
    Section 7.18.2 and Table 75
  **/
  UINT8             MemoryType;             ///< DDR type: DDR3, DDR4, or LPDDR3
  UINT16            MaximumMemoryClockSpeed;///< The maximum capable speed of the device, in megahertz (MHz)
  UINT16            ConfiguredMemoryClockSpeed; ///< The configured clock speed to the memory device, in megahertz (MHz)
  /** As defined in SMBIOS 3.0 spec
    Section 7.17.3 and Table 72
  **/
  UINT8             ErrorCorrectionType;

  SiMrcVersion      Version;
  BOOLEAN           EccSupport;
  UINT8             MemoryProfile;
  UINT32            TotalPhysicalMemorySize;
  UINT32            DefaultXmptCK[MAX_XMP_PROFILE_NUM];///< Stores the tCK value read from SPD XMP profiles if they exist.
  UINT8             XmpProfileEnable;                  ///< If XMP capable DIMMs are detected, this will indicate which XMP Profiles are common among all DIMMs.
  UINT8             Ratio;
  UINT8             RefClk;
  UINT32            VddVoltage[MAX_PROFILE_NUM];
  CONTROLLER_INFO   Controller[MAX_NODE];
} MEMORY_INFO_DATA_HOB;

/**
  Memory Platform Data Hob

  <b>Revision 1:</b>
  - Initial version.
  <b>Revision 2:</b>
  - Added TsegBase, PrmrrSize, PrmrrBase, Gttbase, MmioSize, PciEBaseAddress fields
**/
typedef struct {
  UINT8             Revision;
  UINT8             Reserved[3];
  UINT32            BootMode;
  UINT32            TsegSize;
  UINT32            TsegBase;
  UINT32            PrmrrSize;
  UINT64            PrmrrBase;
  UINT32            PramSize;
  UINT64            PramBase;
  UINT64            DismLimit;
  UINT64            DismBase;
  UINT32            GttBase;
  UINT32            MmioSize;
  UINT32            PciEBaseAddress;
  PSMI_MEM_INFO     PsmiInfo[MAX_TRACE_CACHE_TYPE];
} MEMORY_PLATFORM_DATA;

typedef struct {
  EFI_HOB_GUID_TYPE    EfiHobGuidType;
  MEMORY_PLATFORM_DATA Data;
  UINT8                *Buffer;
} MEMORY_PLATFORM_DATA_HOB;

#pragma pack (pop)

#endif // _MEM_INFO_HOB_H_
