/*++

Copyright (c) 2004 - 2007, Intel Corporation                                                  
All rights reserved. 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.             

Module Name:

  PlatformMemtest.h

Abstract:
  This files defines the protocol produced by platform memory test driver.
   
--*/

#ifndef __PLATFORM_MEMTEST_H__
#define __PLATFORM_MEMTEST_H__

#if (EFI_SPECIFICATION_VERSION >= 0x0002000A)
#include EFI_PROTOCOL_CONSUMER (HiiDatabase)
#else
#include EFI_PROTOCOL_CONSUMER (Hii)
#endif
#include EFI_PROTOCOL_CONSUMER (GenericMemoryTest)


#define EFI_PLATFORM_MEMTEST_PROTOCOL_GUID \
  { 0x859ba18, 0x7dd7, 0x4ed7, 0xa8, 0x8e, 0x10, 0x9c, 0x63, 0x91, 0x7b, 0xdd }

//
// Forward reference for pure ANSI compatability
//
EFI_FORWARD_DECLARATION (EFI_PLATFORM_MEMTEST_PROTOCOL);


// 
// Basic type definitions
//
typedef UINT16  EFI_DIMM_ID;   
#define EFI_INVALID_DIMM_ID 0xFFFF

//
// This describes the capabilities
//
typedef struct {
  UINT32                HwCap;
  EFI_PHYSICAL_ADDRESS  InitBlockSize;
  EFI_PHYSICAL_ADDRESS  TestBlockSize;  
} EFI_PLATFORM_MEMTEST_CAPABILITIES;

//
// This defines the platform driver phases to use in notify phase 
//
typedef enum {
  EfiMemtestPhaseBegin,
  EfiMemtestPhaseEnd,
  EfiMemtestPhaseMaximum  
} EFI_MEMTEST_PHASE ;


//
// Definitions of Capability bits
//
#define EFI_MEMTEST_CAP_NONE          0X00000000 
#define EFI_MEMTEST_CAP_ECC            0X00000001  
#define EFI_MEMTEST_CAP_HW_TEST        0X00000002 
#define EFI_MEMTEST_CAP_HW_INIT        0X00000004 

//
// This describes the pattern for testing all memory cells
//
typedef struct {
  UINT32         Count;      // Number of patterns
  UINT32         Width;      // Width of patterns
  VOID          *Pattern;    // Array of patterns
}EFI_MEMTEST_DATA_PATTERN;

//
// This describes the data and address line patterns
//
typedef struct {
  UINT32                 Count;    // Number of patterns
  EFI_PHYSICAL_ADDRESS  *Address;  // Array of addresses
  EFI_PHYSICAL_ADDRESS  *Pattern;  // Array of patterns
} EFI_MEMTEST_ADDRESS_PATTERN;


#define   EFI_INVALID_DIMM_ID   0xFFFF

//
// DIMM information exported by the platform driver
//

typedef struct {  
  EFI_DIMM_ID         DimmId; 
  STRING_REF           DimmReference;
} EFI_MEMTEST_DIMM_INFO;


//
// Various types of errors
//
typedef enum {
  EfiMemtestCorrectableError = 1,
  EfiMemtestUncorrectableError,
  EfiMemtestErrorMaximum,
} EFI_DIMM_ERROR;

//
// Actions to be taken.  
//
typedef enum {
  EfiMemtestActionReport = 1,
  EfiMemtestActionDisableMem,
  EfiMemtestActionMaximum,
} EFI_MEMTEST_ERROR_ACTION;


//
// Structure indicating a policy entry.
//

typedef struct {
  EFI_DIMM_ERROR            ErrorType;
  UINT32                    Threshold;
  EFI_MEMTEST_ERROR_ACTION  Action;
} EFI_MEMTEST_POLICY_ENTRY;



//
// Error Information.
//
typedef struct {
  EFI_DIMM_ERROR  Error;
  EFI_DIMM_ID     DimmId;
} EFI_PLATFORM_MEMTEST_ERROR;


typedef
EFI_STATUS
(EFIAPI *EFI_PLATFORM_MEMTEST_NOTIFY_PHASE) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL    *This,
  IN EFI_MEMTEST_PHASE                        Phase
  );

typedef
EFI_STATUS
(EFIAPI *EFI_PLATFORM_MEMTEST_GET_PLATFORM_INFO) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL  *This,
  OUT  EFI_PLATFORM_MEMTEST_CAPABILITIES      *Capabilities,
  OUT  EFI_MEMTEST_ADDRESS_PATTERN            *AddressPattern,
  OUT  EFI_MEMTEST_DATA_PATTERN               *DataPattern,
  OUT  EFI_MEMTEST_DATA_PATTERN               *MemoryPattern,
  OUT  UINT32                                 *EntryCount,
  OUT  EFI_MEMTEST_POLICY_ENTRY               **PolicyGrid
  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_GET_NEXT_DIMM_INFO) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL         *This,
  IN OUT EFI_MEMTEST_DIMM_INFO                    *DimmInfo
  );

typedef
EFI_STATUS
(EFIAPI *EFI_PLATFORM_MEMTEST_INITIALIZE_MEMORY) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL    *This,
  IN EFI_PHYSICAL_ADDRESS                     Start,
  IN EFI_PHYSICAL_ADDRESS                     Size
  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_HW_MEMORY_TEST) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL  *This,
  IN EXTENDMEM_COVERAGE_LEVEL               Level,
  IN EFI_PHYSICAL_ADDRESS                   Start,
  IN EFI_PHYSICAL_ADDRESS                   Size,
  OUT UINTN                                 *ErrorCount,
  OUT EFI_PLATFORM_MEMTEST_ERROR            **ErrorInfo
  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_FLUSH_BUFFER) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL   *This
  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_CHECK_FOR_ERROR)  (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL   *This,
  OUT  UINT32                                *ErrorCount,
  OUT EFI_PLATFORM_MEMTEST_ERROR             **ErrorInfo

  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_LOCATE_BAD_DIMM) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL  *This,
  IN  EFI_PHYSICAL_ADDRESS                  FailingAddress,
  IN  UINT8                                 Expected,
  IN  UINT8                                 Found,
  OUT  UINT32                               *ErrorInfoCount,
  OUT EFI_PLATFORM_MEMTEST_ERROR            **ErrorInfoBuffer
  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_CLEAR_ERROR) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL   *This
  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_DISABLE_DIMM) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL   *This,
  IN UINT16                                 *DimmCount,
  IN EFI_DIMM_ID                            *DimmIds,
  IN BOOLEAN                                 RebootRequired

  );

typedef
EFI_STATUS
(EFIAPI * EFI_PLATFORM_MEMTEST_OVERLAP) (
  IN EFI_PLATFORM_MEMTEST_PROTOCOL   *This,
  IN  EFI_DIMM_ID                           DimmId,  
  IN  EFI_PHYSICAL_ADDRESS                  start,
  IN  EFI_PHYSICAL_ADDRESS                  Size,
  OUT BOOLEAN                               *Overlap
  );

typedef struct _EFI_PLATFORM_MEMTEST_PROTOCOL {
  EFI_PLATFORM_MEMTEST_NOTIFY_PHASE       NotifyPhase;
  EFI_PLATFORM_MEMTEST_GET_PLATFORM_INFO  GetPlatformInfo;
  EFI_PLATFORM_MEMTEST_GET_NEXT_DIMM_INFO GetNextDimmInfo;
  EFI_PLATFORM_MEMTEST_INITIALIZE_MEMORY  InitializeMem;
  EFI_PLATFORM_MEMTEST_HW_MEMORY_TEST     HwTest;
  EFI_PLATFORM_MEMTEST_FLUSH_BUFFER       FlushBuffer;
  EFI_PLATFORM_MEMTEST_CHECK_FOR_ERROR    CheckError;
  EFI_PLATFORM_MEMTEST_LOCATE_BAD_DIMM    LocateBadDimm;
  EFI_PLATFORM_MEMTEST_CLEAR_ERROR        ClearError;
  EFI_PLATFORM_MEMTEST_DISABLE_DIMM       DisableDimm;
  EFI_PLATFORM_MEMTEST_OVERLAP            Overlap;
} EFI_PLATFORM_MEMTEST_PROTOCOL;



extern EFI_GUID gEfiPlatformMemTestGuid;

#endif