ntdddisk.h

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  MEDIA_TYPE  MediaType;
  ULONG  TracksPerCylinder;
  ULONG  SectorsPerTrack;
  ULONG  BytesPerSector;
} DISK_GEOMETRY, *PDISK_GEOMETRY;

typedef struct _DISK_GEOMETRY_EX {
  DISK_GEOMETRY  Geometry;
  LARGE_INTEGER  DiskSize;
  UCHAR  Data[1];
} DISK_GEOMETRY_EX, *PDISK_GEOMETRY_EX;

#define DiskGeometryGetPartition(Geometry) \
   ((PDISK_PARTITION_INFO)((Geometry) + 1))

#define DiskGeometryGetDetect(Geometry)\
 ((PDISK_DETECTION_INFO)(((PBYTE)DiskGeometryGetPartition(Geometry) + \
  DiskGeometryGetPartition(Geometry)->SizeOfPartitionInfo)))

typedef struct _PARTITION_INFORMATION {
  LARGE_INTEGER  StartingOffset;
  LARGE_INTEGER  PartitionLength;
  DWORD  HiddenSectors;
  DWORD  PartitionNumber;
  BYTE  PartitionType;
  BOOLEAN  BootIndicator;
  BOOLEAN  RecognizedPartition;
  BOOLEAN  RewritePartition;
} PARTITION_INFORMATION, *PPARTITION_INFORMATION;

typedef struct _PARTITION_INFORMATION_GPT {
  GUID  PartitionType;
  GUID  PartitionId;
  ULONG64  Attributes;
  WCHAR Name  [36];
} PARTITION_INFORMATION_GPT, *PPARTITION_INFORMATION_GPT;

typedef struct _DISK_PARTITION_INFO {
  ULONG  SizeOfPartitionInfo;
  PARTITION_STYLE  PartitionStyle;
  _ANONYMOUS_UNION union {
    struct {
      ULONG  Signature;
      ULONG  CheckSum;
    } Mbr;
    struct {
      GUID  DiskId;
    } Gpt;
  } DUMMYUNIONNAME;
} DISK_PARTITION_INFO, *PDISK_PARTITION_INFO;

typedef struct _DISK_PERFORMANCE {
  LARGE_INTEGER  BytesRead;
  LARGE_INTEGER  BytesWritten;
  LARGE_INTEGER  ReadTime;
  LARGE_INTEGER  WriteTime;
  LARGE_INTEGER  IdleTime;
  ULONG  ReadCount;
  ULONG  WriteCount;
  ULONG  QueueDepth;
  ULONG  SplitCount;
  LARGE_INTEGER  QueryTime;
  ULONG  StorageDeviceNumber;
  WCHAR  StorageManagerName[8];
} DISK_PERFORMANCE, *PDISK_PERFORMANCE;

typedef struct _PARTITION_INFORMATION_EX {
  PARTITION_STYLE  PartitionStyle;
  LARGE_INTEGER  StartingOffset;
  LARGE_INTEGER  PartitionLength;
  ULONG  PartitionNumber;
  BOOLEAN  RewritePartition;
  _ANONYMOUS_UNION union {
    PARTITION_INFORMATION_MBR  Mbr;
    PARTITION_INFORMATION_GPT  Gpt;
  } DUMMYUNIONNAME;
} PARTITION_INFORMATION_EX, *PPARTITION_INFORMATION_EX;

typedef struct _FORMAT_EX_PARAMETERS {
  MEDIA_TYPE  MediaType;
  ULONG  StartCylinderNumber;
  ULONG  EndCylinderNumber;
  ULONG  StartHeadNumber;
  ULONG  EndHeadNumber;
  USHORT  FormatGapLength;
  USHORT  SectorsPerTrack;
  USHORT  SectorNumber[1];
} FORMAT_EX_PARAMETERS, *PFORMAT_EX_PARAMETERS;

typedef struct _FORMAT_PARAMETERS {
  MEDIA_TYPE  MediaType;
  ULONG  StartCylinderNumber;
  ULONG  EndCylinderNumber;
  ULONG  StartHeadNumber;
  ULONG  EndHeadNumber;
} FORMAT_PARAMETERS, *PFORMAT_PARAMETERS;

typedef struct _GET_LENGTH_INFORMATION {
  LARGE_INTEGER  Length;
} GET_LENGTH_INFORMATION, *PGET_LENGTH_INFORMATION;

typedef struct _REASSIGN_BLOCKS {
  WORD  Reserved;
  WORD  Count;
  DWORD  BlockNumber[1];
} REASSIGN_BLOCKS, *PREASSIGN_BLOCKS;

typedef struct _SET_PARTITION_INFORMATION {
  UCHAR  PartitionType;
} SET_PARTITION_INFORMATION, *PSET_PARTITION_INFORMATION;

typedef SET_PARTITION_INFORMATION SET_PARTITION_INFORMATION_MBR;
typedef PARTITION_INFORMATION_GPT SET_PARTITION_INFORMATION_GPT;

typedef struct _SET_PARTITION_INFORMATION_EX {
  PARTITION_STYLE  PartitionStyle;
  _ANONYMOUS_UNION union {
    SET_PARTITION_INFORMATION_MBR  Mbr;
    SET_PARTITION_INFORMATION_GPT  Gpt;
  } DUMMYUNIONNAME;
} SET_PARTITION_INFORMATION_EX, *PSET_PARTITION_INFORMATION_EX;

typedef struct _VERIFY_INFORMATION {
  LARGE_INTEGER  StartingOffset;
  DWORD  Length;
} VERIFY_INFORMATION, *PVERIFY_INFORMATION;

typedef enum {
	EqualPriority,
	KeepPrefetchedData,
	KeepReadData
} DISK_CACHE_RETENTION_PRIORITY;

typedef struct _DISK_CACHE_INFORMATION {
	BOOLEAN  ParametersSavable;
	BOOLEAN  ReadCacheEnabled;
	BOOLEAN  WriteCacheEnabled;
	DISK_CACHE_RETENTION_PRIORITY  ReadRetentionPriority;
	DISK_CACHE_RETENTION_PRIORITY  WriteRetentionPriority;
	USHORT  DisablePrefetchTransferLength;
	BOOLEAN  PrefetchScalar;
	_ANONYMOUS_UNION union {
		struct {
			USHORT  Minimum;
			USHORT  Maximum;
			USHORT  MaximumBlocks;
		} ScalarPrefetch;
		struct {
			USHORT  Minimum;
			USHORT  Maximum;
		} BlockPrefetch;
	} DUMMYUNIONNAME;
} DISK_CACHE_INFORMATION, *PDISK_CACHE_INFORMATION;

typedef struct _DISK_GROW_PARTITION {
  ULONG  PartitionNumber;
  LARGE_INTEGER  BytesToGrow;
} DISK_GROW_PARTITION, *PDISK_GROW_PARTITION;

/* GETVERSIONINPARAMS.fCapabilities constants */
#define CAP_ATA_ID_CMD                    1
#define CAP_ATAPI_ID_CMD                  2
#define CAP_SMART_CMD                     4

typedef struct _GETVERSIONINPARAMS {
	UCHAR  bVersion;
	UCHAR  bRevision;
	UCHAR  bReserved;
	UCHAR  bIDEDeviceMap;
	ULONG  fCapabilities;
	ULONG  dwReserved[4];
} GETVERSIONINPARAMS, *PGETVERSIONINPARAMS, *LPGETVERSIONINPARAMS;

/* IDEREGS.bCommandReg constants */
#define ATAPI_ID_CMD                      0xA1
#define ID_CMD                            0xEC
#define SMART_CMD                         0xB0

#define SMART_CYL_LOW                     0x4F
#define SMART_CYL_HI                      0xC2

typedef struct _IDEREGS {
	UCHAR  bFeaturesReg;
	UCHAR  bSectorCountReg;
	UCHAR  bSectorNumberReg;
	UCHAR  bCylLowReg;
	UCHAR  bCylHighReg;
	UCHAR  bDriveHeadReg;
	UCHAR  bCommandReg;
	UCHAR  bReserved;
} IDEREGS, *PIDEREGS, *LPIDEREGS;

#include <pshpack1.h>
typedef struct _SENDCMDINPARAMS {
	ULONG  cBufferSize;
	IDEREGS  irDriveRegs;
	UCHAR  bDriveNumber;
	UCHAR  bReserved[3];
	ULONG  dwReserved[4];
	UCHAR  bBuffer[1];
} SENDCMDINPARAMS, *PSENDCMDINPARAMS, *LPSENDCMDINPARAMS;
#include <poppack.h>

/* DRIVERSTATUS.bDriverError constants */
#define SMART_NO_ERROR                    0
#define SMART_IDE_ERROR                   1
#define SMART_INVALID_FLAG                2
#define SMART_INVALID_COMMAND             3
#define SMART_INVALID_BUFFER              4
#define SMART_INVALID_DRIVE               5
#define SMART_INVALID_IOCTL               6
#define SMART_ERROR_NO_MEM                7
#define SMART_INVALID_REGISTER            8
#define SMART_NOT_SUPPORTED               9
#define SMART_NO_IDE_DEVICE               10

#define SMART_OFFLINE_ROUTINE_OFFLINE     0
#define SMART_SHORT_SELFTEST_OFFLINE      1
#define SMART_EXTENDED_SELFTEST_OFFLINE   2
#define SMART_ABORT_OFFLINE_SELFTEST      127
#define SMART_SHORT_SELFTEST_CAPTIVE      129
#define SMART_EXTENDED_SELFTEST_CAPTIVE   130

typedef struct _DRIVERSTATUS {
	UCHAR  bDriverError;
	UCHAR  bIDEError;
	UCHAR  bReserved[2];
	ULONG  dwReserved[2];
} DRIVERSTATUS, *PDRIVERSTATUS, *LPDRIVERSTATUS;

#define READ_ATTRIBUTE_BUFFER_SIZE        512
#define IDENTIFY_BUFFER_SIZE              512
#define READ_THRESHOLD_BUFFER_SIZE        512
#define SMART_LOG_SECTOR_SIZE             512

#include <pshpack1.h>
typedef struct _SENDCMDOUTPARAMS {
	ULONG  cBufferSize;
	DRIVERSTATUS  DriverStatus;
	UCHAR  bBuffer[1];
} SENDCMDOUTPARAMS, *PSENDCMDOUTPARAMS, *LPSENDCMDOUTPARAMS;
#include <poppack.h>

#define READ_ATTRIBUTES                   0xD0
#define READ_THRESHOLDS                   0xD1
#define ENABLE_DISABLE_AUTOSAVE           0xD2
#define SAVE_ATTRIBUTE_VALUES             0xD3
#define EXECUTE_OFFLINE_DIAGS             0xD4
#define SMART_READ_LOG                    0xD5
#define SMART_WRITE_LOG                   0xd6
#define ENABLE_SMART                      0xD8
#define DISABLE_SMART                     0xD9
#define RETURN_SMART_STATUS               0xDA
#define ENABLE_DISABLE_AUTO_OFFLINE       0xDB

#ifdef __cplusplus
}
#endif

#endif /* __NTDDDISK_H */