/*++

Copyright (c) Microsoft Corporation. All rights reserved.

Module Name:

    ntdddisk.h

Abstract:

    This is the include file that defines all constants and types for
    accessing the Disk device.

Revision History:

--*/


#ifndef _NTDDDISK_H_
#define _NTDDDISK_H_

#if _MSC_VER > 1000
#pragma once
#endif

#include <diskguid.h>

#ifdef __cplusplus
extern "C" {
#endif

//
// Device Name - this string is the name of the device.  It is the name
// that should be passed to NtOpenFile when accessing the device.
//
// Note:  For devices that support multiple units, it should be suffixed
//        with the Ascii representation of the unit number.
//

#define DD_DISK_DEVICE_NAME "\\Device\\UNKNOWN"


//
// NtDeviceIoControlFile

// begin_winioctl

//
// IoControlCode values for disk devices.
//

#define IOCTL_DISK_BASE                 FILE_DEVICE_DISK
#define IOCTL_DISK_GET_DRIVE_GEOMETRY   CTL_CODE(IOCTL_DISK_BASE, 0x0000, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_GET_PARTITION_INFO   CTL_CODE(IOCTL_DISK_BASE, 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_SET_PARTITION_INFO   CTL_CODE(IOCTL_DISK_BASE, 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_DRIVE_LAYOUT     CTL_CODE(IOCTL_DISK_BASE, 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_SET_DRIVE_LAYOUT     CTL_CODE(IOCTL_DISK_BASE, 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_VERIFY               CTL_CODE(IOCTL_DISK_BASE, 0x0005, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_FORMAT_TRACKS        CTL_CODE(IOCTL_DISK_BASE, 0x0006, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_REASSIGN_BLOCKS      CTL_CODE(IOCTL_DISK_BASE, 0x0007, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_PERFORMANCE          CTL_CODE(IOCTL_DISK_BASE, 0x0008, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_IS_WRITABLE          CTL_CODE(IOCTL_DISK_BASE, 0x0009, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_LOGGING              CTL_CODE(IOCTL_DISK_BASE, 0x000a, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_FORMAT_TRACKS_EX     CTL_CODE(IOCTL_DISK_BASE, 0x000b, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_HISTOGRAM_STRUCTURE  CTL_CODE(IOCTL_DISK_BASE, 0x000c, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_HISTOGRAM_DATA       CTL_CODE(IOCTL_DISK_BASE, 0x000d, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_HISTOGRAM_RESET      CTL_CODE(IOCTL_DISK_BASE, 0x000e, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_REQUEST_STRUCTURE    CTL_CODE(IOCTL_DISK_BASE, 0x000f, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_REQUEST_DATA         CTL_CODE(IOCTL_DISK_BASE, 0x0010, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_PERFORMANCE_OFF      CTL_CODE(IOCTL_DISK_BASE, 0x0018, METHOD_BUFFERED, FILE_ANY_ACCESS)



#if(_WIN32_WINNT >= 0x0400)
#define IOCTL_DISK_CONTROLLER_NUMBER    CTL_CODE(IOCTL_DISK_BASE, 0x0011, METHOD_BUFFERED, FILE_ANY_ACCESS)

//
// IOCTL support for SMART drive fault prediction.
//

#define SMART_GET_VERSION               CTL_CODE(IOCTL_DISK_BASE, 0x0020, METHOD_BUFFERED, FILE_READ_ACCESS)
#define SMART_SEND_DRIVE_COMMAND        CTL_CODE(IOCTL_DISK_BASE, 0x0021, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define SMART_RCV_DRIVE_DATA            CTL_CODE(IOCTL_DISK_BASE, 0x0022, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)

#endif /* _WIN32_WINNT >= 0x0400 */

#if (_WIN32_WINNT >= 0x500)

//
// New IOCTLs for GUID Partition tabled disks.
//

#define IOCTL_DISK_GET_PARTITION_INFO_EX    CTL_CODE(IOCTL_DISK_BASE, 0x0012, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_SET_PARTITION_INFO_EX    CTL_CODE(IOCTL_DISK_BASE, 0x0013, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_DRIVE_LAYOUT_EX      CTL_CODE(IOCTL_DISK_BASE, 0x0014, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DISK_SET_DRIVE_LAYOUT_EX      CTL_CODE(IOCTL_DISK_BASE, 0x0015, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_CREATE_DISK              CTL_CODE(IOCTL_DISK_BASE, 0x0016, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_LENGTH_INFO          CTL_CODE(IOCTL_DISK_BASE, 0x0017, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_GET_DRIVE_GEOMETRY_EX    CTL_CODE(IOCTL_DISK_BASE, 0x0028, METHOD_BUFFERED, FILE_ANY_ACCESS)

#endif /* _WIN32_WINNT >= 0x0500 */


#if(_WIN32_WINNT >= 0x0500)
#define IOCTL_DISK_UPDATE_DRIVE_SIZE        CTL_CODE(IOCTL_DISK_BASE, 0x0032, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GROW_PARTITION           CTL_CODE(IOCTL_DISK_BASE, 0x0034, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)

#define IOCTL_DISK_GET_CACHE_INFORMATION    CTL_CODE(IOCTL_DISK_BASE, 0x0035, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_SET_CACHE_INFORMATION    CTL_CODE(IOCTL_DISK_BASE, 0x0036, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_GET_WRITE_CACHE_STATE    CTL_CODE(IOCTL_DISK_BASE, 0x0037, METHOD_BUFFERED, FILE_READ_ACCESS)

#define IOCTL_DISK_DELETE_DRIVE_LAYOUT      CTL_CODE(IOCTL_DISK_BASE, 0x0040, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)

//
// Called to flush cached information that the driver may have about this
// device's characteristics.  Not all drivers cache characteristics, and not
// cached properties can be flushed.  This simply serves as an update to the
// driver that it may want to do an expensive reexamination of the device's
// characteristics now (fixed media size, partition table, etc...)
//

#define IOCTL_DISK_UPDATE_PROPERTIES    CTL_CODE(IOCTL_DISK_BASE, 0x0050, METHOD_BUFFERED, FILE_ANY_ACCESS)

//
//  Special IOCTLs needed to support PC-98 machines in Japan
//

#define IOCTL_DISK_FORMAT_DRIVE         CTL_CODE(IOCTL_DISK_BASE, 0x00f3, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_SENSE_DEVICE         CTL_CODE(IOCTL_DISK_BASE, 0x00f8, METHOD_BUFFERED, FILE_ANY_ACCESS)

#endif /* _WIN32_WINNT >= 0x0500 */

// end_winioctl

//
// Internal disk driver device controls to maintain the verify status bit
// for the device object.
//

#define IOCTL_DISK_INTERNAL_SET_VERIFY   CTL_CODE(IOCTL_DISK_BASE, 0x0100, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_DISK_INTERNAL_CLEAR_VERIFY CTL_CODE(IOCTL_DISK_BASE, 0x0101, METHOD_NEITHER, FILE_ANY_ACCESS)

//
// Internal disk driver device control to set notification routine for
// the device object. Used in DiskPerf.
//

#define IOCTL_DISK_INTERNAL_SET_NOTIFY   CTL_CODE(IOCTL_DISK_BASE, 0x0102, METHOD_BUFFERED, FILE_ANY_ACCESS)

// begin_winioctl
//
// The following device control codes are common for all class drivers.  The
// functions codes defined here must match all of the other class drivers.
//
// Warning: these codes will be replaced in the future by equivalent
// IOCTL_STORAGE codes
//

#define IOCTL_DISK_CHECK_VERIFY     CTL_CODE(IOCTL_DISK_BASE, 0x0200, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_MEDIA_REMOVAL    CTL_CODE(IOCTL_DISK_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_EJECT_MEDIA      CTL_CODE(IOCTL_DISK_BASE, 0x0202, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_LOAD_MEDIA       CTL_CODE(IOCTL_DISK_BASE, 0x0203, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_RESERVE          CTL_CODE(IOCTL_DISK_BASE, 0x0204, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_RELEASE          CTL_CODE(IOCTL_DISK_BASE, 0x0205, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_FIND_NEW_DEVICES CTL_CODE(IOCTL_DISK_BASE, 0x0206, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DISK_GET_MEDIA_TYPES CTL_CODE(IOCTL_DISK_BASE, 0x0300, METHOD_BUFFERED, FILE_ANY_ACCESS)

// end_winioctl

//
// The following file contains the IOCTL_STORAGE class ioctls
//

#include <ntddstor.h>

// begin_winioctl
//
// Define the partition types returnable by known disk drivers.
//

#define PARTITION_ENTRY_UNUSED          0x00      // Entry unused
#define PARTITION_FAT_12                0x01      // 12-bit FAT entries
#define PARTITION_XENIX_1               0x02      // Xenix
#define PARTITION_XENIX_2               0x03      // Xenix
#define PARTITION_FAT_16                0x04      // 16-bit FAT entries
#define PARTITION_EXTENDED              0x05      // Extended partition entry
#define PARTITION_HUGE                  0x06      // Huge partition MS-DOS V4
#define PARTITION_IFS                   0x07      // IFS Partition
#define PARTITION_OS2BOOTMGR            0x0A      // OS/2 Boot Manager/OPUS/Coherent swap
#define PARTITION_FAT32                 0x0B      // FAT32
#define PARTITION_FAT32_XINT13          0x0C      // FAT32 using extended int13 services
#define PARTITION_XINT13                0x0E      // Win95 partition using extended int13 services
#define PARTITION_XINT13_EXTENDED       0x0F      // Same as type 5 but uses extended int13 services
#define PARTITION_PREP                  0x41      // PowerPC Reference Platform (PReP) Boot Partition
#define PARTITION_LDM                   0x42      // Logical Disk Manager partition
#define PARTITION_UNIX                  0x63      // Unix

#define VALID_NTFT                      0xC0      // NTFT uses high order bits

//
// The high bit of the partition type code indicates that a partition
// is part of an NTFT mirror or striped array.
//

#define PARTITION_NTFT                  0x80     // NTFT partition

//
// The following macro is used to determine which partitions should be
// assigned drive letters.
//

//++
//
// BOOLEAN
// IsRecognizedPartition(
//     IN ULONG PartitionType
//     )
//
// Routine Description:
//
//     This macro is used to determine to which partitions drive letters
//     should be assigned.
//
// Arguments:
//
//     PartitionType - Supplies the type of the partition being examined.
//
// Return Value:
//
//     The return value is TRUE if the partition type is recognized,
//     otherwise FALSE is returned.
//
//--

#define IsRecognizedPartition( PartitionType ) (    \
     ((PartitionType & PARTITION_NTFT) && ((PartitionType & ~0xC0) == PARTITION_FAT_12)) ||  \
     ((PartitionType & PARTITION_NTFT) && ((PartitionType & ~0xC0) == PARTITION_IFS)) ||  \
     ((PartitionType & PARTITION_NTFT) && ((PartitionType & ~0xC0) == PARTITION_HUGE)) ||  \
     ((PartitionType & PARTITION_NTFT) && ((PartitionType & ~0xC0) == PARTITION_FAT32)) ||  \
     ((PartitionType & PARTITION_NTFT) && ((PartitionType & ~0xC0) == PARTITION_FAT32_XINT13)) ||  \
     ((PartitionType & PARTITION_NTFT) && ((PartitionType & ~0xC0) == PARTITION_XINT13)) ||  \
     ((PartitionType) == PARTITION_FAT_12)          ||  \
     ((PartitionType) == PARTITION_FAT_16)          ||  \
     ((PartitionType) == PARTITION_IFS)             ||  \
     ((PartitionType) == PARTITION_HUGE)            ||  \
     ((PartitionType) == PARTITION_FAT32)           ||  \
     ((PartitionType) == PARTITION_FAT32_XINT13)    ||  \
     ((PartitionType) == PARTITION_XINT13) )

//++
//
// BOOLEAN
// IsContainerPartition(
//     IN ULONG PartitionType
//     )
//
// Routine Description:
//
//     This macro is used to determine to which partition types are actually
//     containers for other partitions (ie, extended partitions).
//
// Arguments:
//
//     PartitionType - Supplies the type of the partition being examined.
//
// Return Value:
//
//     The return value is TRUE if the partition type is a container,
//     otherwise FALSE is returned.
//
//--

#define IsContainerPartition( PartitionType ) \
    ((PartitionType == PARTITION_EXTENDED) || (PartitionType == PARTITION_XINT13_EXTENDED))

//++
//
// BOOLEAN
// IsFTPartition(
//     IN ULONG PartitionType
//     )
//
// Routine Description:
//
//     This macro is used to determine if the given partition is an FT
//     partition.
//
// Arguments:
//
//     PartitionType - Supplies the type of the partition being examined.
//
// Return Value:
//
//     The return value is TRUE if the partition type is an FT partition,
//     otherwise FALSE is returned.
//
//--

#define IsFTPartition( PartitionType ) \
    (((PartitionType)&PARTITION_NTFT) && IsRecognizedPartition(PartitionType))

//
// Define the media types supported by the driver.
//

    typedef enum _MEDIA_TYPE {
        Unknown,                // Format is unknown
        F5_1Pt2_512,            // 5.25", 1.2MB,  512 bytes/sector
        F3_1Pt44_512,           // 3.5",  1.44MB, 512 bytes/sector
        F3_2Pt88_512,           // 3.5",  2.88MB, 512 bytes/sector
        F3_20Pt8_512,           // 3.5",  20.8MB, 512 bytes/sector
        F3_720_512,             // 3.5",  720KB,  512 bytes/sector
        F5_360_512,             // 5.25", 360KB,  512 bytes/sector
        F5_320_512,             // 5.25", 320KB,  512 bytes/sector
        F5_320_1024,            // 5.25", 320KB,  1024 bytes/sector
        F5_180_512,             // 5.25", 180KB,  512 bytes/sector
        F5_160_512,             // 5.25", 160KB,  512 bytes/sector
        RemovableMedia,         // Removable media other than floppy
        FixedMedia,             // Fixed hard disk media
        F3_120M_512,            // 3.5", 120M Floppy
        F3_640_512,             // 3.5" ,  640KB,  512 bytes/sector
        F5_640_512,             // 5.25",  640KB,  512 bytes/sector
        F5_720_512,             // 5.25",  720KB,  512 bytes/sector
        F3_1Pt2_512,            // 3.5" ,  1.2Mb,  512 bytes/sector
        F3_1Pt23_1024,          // 3.5" ,  1.23Mb, 1024 bytes/sector
        F5_1Pt23_1024,          // 5.25",  1.23MB, 1024 bytes/sector
        F3_128Mb_512,           // 3.5" MO 128Mb   512 bytes/sector
        F3_230Mb_512,           // 3.5" MO 230Mb   512 bytes/sector
        F8_256_128,             // 8",     256KB,  128 bytes/sector
        F3_200Mb_512,           // 3.5",   200M Floppy (HiFD)
        F3_240M_512,            // 3.5",   240Mb Floppy (HiFD)
        F3_32M_512              // 3.5",   32Mb Floppy
    }
    MEDIA_TYPE, *PMEDIA_TYPE;

//
// Define the input buffer structure for the driver, when
// it is called with IOCTL_DISK_FORMAT_TRACKS.
//

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

//
// Define the BAD_TRACK_NUMBER type. An array of elements of this type is
// returned by the driver on IOCTL_DISK_FORMAT_TRACKS requests, to indicate
// what tracks were bad during formatting. The length of that array is
// reported in the `Information' field of the I/O Status Block.
//

    typedef USHORT BAD_TRACK_NUMBER;
    typedef USHORT *PBAD_TRACK_NUMBER;

//
// Define the input buffer structure for the driver, when
// it is called with IOCTL_DISK_FORMAT_TRACKS_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;

//
// The following structure is returned on an IOCTL_DISK_GET_DRIVE_GEOMETRY
// request and an array of them is returned on an IOCTL_DISK_GET_MEDIA_TYPES
// request.
//

    typedef struct _DISK_GEOMETRY
    {
        LARGE_INTEGER Cylinders;
        MEDIA_TYPE MediaType;
        ULONG TracksPerCylinder;
        ULONG SectorsPerTrack;
        ULONG BytesPerSector;
    } DISK_GEOMETRY, *PDISK_GEOMETRY;



//
// This wmi guid returns a DISK_GEOMETRY structure
//
#define WMI_DISK_GEOMETRY_GUID         { 0x25007f51, 0x57c2, 0x11d1, { 0xa5, 0x28, 0x0, 0xa0, 0xc9, 0x6, 0x29, 0x10 } }



//
// The following structure is returned on an IOCTL_DISK_GET_PARTITION_INFO
// and an IOCTL_DISK_GET_DRIVE_LAYOUT request.  It is also used in a request
// to change the drive layout, IOCTL_DISK_SET_DRIVE_LAYOUT.
//

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

//
// The following structure is used to change the partition type of a
// specified disk partition using an IOCTL_DISK_SET_PARTITION_INFO
// request.
//

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

//
// The following structures is returned on an IOCTL_DISK_GET_DRIVE_LAYOUT
// request and given as input to an IOCTL_DISK_SET_DRIVE_LAYOUT request.
//

    typedef struct _DRIVE_LAYOUT_INFORMATION
    {
        ULONG PartitionCount;
        ULONG Signature;
        PARTITION_INFORMATION PartitionEntry[1];
    } DRIVE_LAYOUT_INFORMATION, *PDRIVE_LAYOUT_INFORMATION;

//
// The following structure is passed in on an IOCTL_DISK_VERIFY request.
// The offset and length parameters are both given in bytes.
//

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

//
// The following structure is passed in on an IOCTL_DISK_REASSIGN_BLOCKS
// request.
//

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


#if(_WIN32_WINNT >= 0x500)

//
// Support for GUID Partition Table (GPT) disks.
//

//
// There are currently two ways a disk can be partitioned. With a traditional
// AT-style master boot record (PARTITION_STYLE_MBR) and with a new, GPT
// partition table (PARTITION_STYLE_GPT). RAW is for an unrecognizable
// partition style. There are a very limited number of things you can
// do with a RAW partititon.
//

    typedef enum _PARTITION_STYLE
    {
        PARTITION_STYLE_MBR,
        PARTITION_STYLE_GPT,
        PARTITION_STYLE_RAW
    } PARTITION_STYLE;


//
// The following structure defines information in a GPT partition that is
// not common to both GPT and MBR partitions.
//

    typedef struct _PARTITION_INFORMATION_GPT
    {
        GUID PartitionType;                 // Partition type. See table 16-3.
        GUID PartitionId;                   // Unique GUID for this partition.
        ULONG64 Attributes;                 // See table 16-4.
        WCHAR Name [36];                    // Partition Name in Unicode.
    } PARTITION_INFORMATION_GPT, *PPARTITION_INFORMATION_GPT;

//
//  The following are GPT partition attributes applicable for any
//  partition type. These attributes are not OS-specific
//

#define GPT_ATTRIBUTE_PLATFORM_REQUIRED             (0x0000000000000001)

//
// The following are GPT partition attributes applicable when the
// PartitionType is PARTITION_BASIC_DATA_GUID.
//

#define GPT_BASIC_DATA_ATTRIBUTE_NO_DRIVE_LETTER    (0x8000000000000000)
#define GPT_BASIC_DATA_ATTRIBUTE_HIDDEN             (0x4000000000000000)
#define GPT_BASIC_DATA_ATTRIBUTE_READ_ONLY          (0x1000000000000000)

//
// The following structure defines information in an MBR partition that is not
// common to both GPT and MBR partitions.
//

    typedef struct _PARTITION_INFORMATION_MBR
    {
        UCHAR PartitionType;
        BOOLEAN BootIndicator;
        BOOLEAN RecognizedPartition;
        ULONG HiddenSectors;
    } PARTITION_INFORMATION_MBR, *PPARTITION_INFORMATION_MBR;


//
// The structure SET_PARTITION_INFO_EX is used with the ioctl
// IOCTL_SET_PARTITION_INFO_EX to set information about a specific
// partition. Note that for MBR partitions, you can only set the partition
// signature, whereas GPT partitions allow setting of all fields that
// you can get.
//

    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;
        union
        {
            SET_PARTITION_INFORMATION_MBR Mbr;
            SET_PARTITION_INFORMATION_GPT Gpt;
        };
    } SET_PARTITION_INFORMATION_EX, *PSET_PARTITION_INFORMATION_EX;


//
// The structure CREATE_DISK_GPT with the ioctl IOCTL_DISK_CREATE_DISK
// to initialize an virgin disk with an empty GPT partition table.
//

    typedef struct _CREATE_DISK_GPT
    {
        GUID DiskId;                    // Unique disk id for the disk.
        ULONG MaxPartitionCount;        // Maximim number of partitions allowable.
    } CREATE_DISK_GPT, *PCREATE_DISK_GPT;

//
// The structure CREATE_DISK_MBR with the ioctl IOCTL_DISK_CREATE_DISK
// to initialize an virgin disk with an empty MBR partition table.
//

    typedef struct _CREATE_DISK_MBR
    {
        ULONG Signature;
    } CREATE_DISK_MBR, *PCREATE_DISK_MBR;


    typedef struct _CREATE_DISK
    {
        PARTITION_STYLE PartitionStyle;
        union
        {
            CREATE_DISK_MBR Mbr;
            CREATE_DISK_GPT Gpt;
        };
    } CREATE_DISK, *PCREATE_DISK;


//
// The structure GET_LENGTH_INFORMATION is used with the ioctl
// IOCTL_DISK_GET_LENGTH_INFO to obtain the length, in bytes, of the
// disk, partition, or volume.
//

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

//
// The PARTITION_INFORMATION_EX structure is used with the
// IOCTL_DISK_GET_DRIVE_LAYOUT_EX, IOCTL_DISK_SET_DRIVE_LAYOUT_EX,
// IOCTL_DISK_GET_PARTITION_INFO_EX and IOCTL_DISK_GET_PARTITION_INFO_EX calls.
//

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


//
// GPT specific drive layout information.
//

    typedef struct _DRIVE_LAYOUT_INFORMATION_GPT
    {
        GUID DiskId;
        LARGE_INTEGER StartingUsableOffset;
        LARGE_INTEGER UsableLength;
        ULONG MaxPartitionCount;
    } DRIVE_LAYOUT_INFORMATION_GPT, *PDRIVE_LAYOUT_INFORMATION_GPT;


//
// MBR specific drive layout information.
//

    typedef struct _DRIVE_LAYOUT_INFORMATION_MBR
    {
        ULONG Signature;
    } DRIVE_LAYOUT_INFORMATION_MBR, *PDRIVE_LAYOUT_INFORMATION_MBR;

//
// The structure DRIVE_LAYOUT_INFORMATION_EX is used with the
// IOCTL_SET_DRIVE_LAYOUT_EX and IOCTL_GET_DRIVE_LAYOUT_EX calls.
//

    typedef struct _DRIVE_LAYOUT_INFORMATION_EX
    {
        ULONG PartitionStyle;
        ULONG PartitionCount;
        union
        {
            DRIVE_LAYOUT_INFORMATION_MBR Mbr;
            DRIVE_LAYOUT_INFORMATION_GPT Gpt;
        };
        PARTITION_INFORMATION_EX PartitionEntry[1];
    } DRIVE_LAYOUT_INFORMATION_EX, *PDRIVE_LAYOUT_INFORMATION_EX;


#endif // (_WIN32_WINNT >= 0x0500)


#if(_WIN32_WINNT >= 0x0500)

//
// The DISK_GEOMETRY_EX structure is returned on issuing an
// IOCTL_DISK_GET_DRIVE_GEOMETRY_EX ioctl.
//

    typedef enum _DETECTION_TYPE
    {
        DetectNone,
        DetectInt13,
        DetectExInt13
    } DETECTION_TYPE;

    typedef struct _DISK_INT13_INFO
    {
        USHORT DriveSelect;
        ULONG MaxCylinders;
        USHORT SectorsPerTrack;
        USHORT MaxHeads;
        USHORT NumberDrives;
    } DISK_INT13_INFO, *PDISK_INT13_INFO;

    typedef struct _DISK_EX_INT13_INFO
    {
        USHORT ExBufferSize;
        USHORT ExFlags;
        ULONG ExCylinders;
        ULONG ExHeads;
        ULONG ExSectorsPerTrack;
        ULONG64 ExSectorsPerDrive;
        USHORT ExSectorSize;
        USHORT ExReserved;
    } DISK_EX_INT13_INFO, *PDISK_EX_INT13_INFO;

    typedef struct _DISK_DETECTION_INFO
    {
        ULONG SizeOfDetectInfo;
        DETECTION_TYPE DetectionType;
        union
        {
            struct
            {

                //
                // If DetectionType == DETECTION_INT13 then we have just the Int13
                // information.
                //

                DISK_INT13_INFO Int13;

                //
                // If DetectionType == DETECTION_EX_INT13, then we have the
                // extended int 13 information.
                //

                DISK_EX_INT13_INFO ExInt13;     // If DetectionType == DetectExInt13
            };
        };
    } DISK_DETECTION_INFO, *PDISK_DETECTION_INFO;


    typedef struct _DISK_PARTITION_INFO
    {
        ULONG SizeOfPartitionInfo;
        PARTITION_STYLE PartitionStyle;                 // PartitionStyle = RAW, GPT or MBR
        union
        {
            struct                                                          // If PartitionStyle == MBR
            {
                ULONG Signature;                                // MBR Signature
                ULONG CheckSum;                                 // MBR CheckSum
            } Mbr;
            struct                                                          // If PartitionStyle == GPT
            {
                GUID DiskId;
            } Gpt;
        };
    } DISK_PARTITION_INFO, *PDISK_PARTITION_INFO;


//
// The Geometry structure is a variable length structure composed of a
// DISK_GEOMETRY_EX structure followed by a DISK_PARTITION_INFO structure
// followed by a DISK_DETECTION_DATA structure.
//

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

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

    typedef struct _DISK_GEOMETRY_EX
    {
        DISK_GEOMETRY Geometry;                                 // Standard disk geometry: may be faked by driver.
        LARGE_INTEGER DiskSize;                                 // Must always be correct
        UCHAR Data[1];                                                  // Partition, Detect info
    } DISK_GEOMETRY_EX, *PDISK_GEOMETRY_EX;

#endif // (_WIN32_WINNT > 0x0500)

#if(_WIN32_WINNT >= 0x0400)
//
// IOCTL_DISK_CONTROLLER_NUMBER returns the controller and disk
// number for the handle.  This is used to determine if a disk
// is attached to the primary or secondary IDE controller.
//

    typedef struct _DISK_CONTROLLER_NUMBER
    {
        ULONG ControllerNumber;
        ULONG DiskNumber;
    } DISK_CONTROLLER_NUMBER, *PDISK_CONTROLLER_NUMBER;
#endif /* _WIN32_WINNT >= 0x0400 */

#if(_WIN32_WINNT >= 0x0500)


//
// IOCTL_DISK_SET_CACHE allows the caller to get or set the state of the disk
// read/write caches.
//
// If the structure is provided as the input buffer for the ioctl the read &
// write caches will be enabled or disabled depending on the parameters
// provided.
//
// If the structure is provided as an output buffer for the ioctl the state
// of the read & write caches will be returned. If both input and outut buffers
// are provided the output buffer will contain the cache state BEFORE any
// changes are made
//

    typedef enum
    {
        EqualPriority,
        KeepPrefetchedData,
        KeepReadData
    } DISK_CACHE_RETENTION_PRIORITY;

    typedef enum _DISK_WRITE_CACHE_STATE
    {
        DiskWriteCacheNormal,
        DiskWriteCacheForceDisable,
        DiskWriteCacheDisableNotSupported
    } DISK_WRITE_CACHE_STATE, *PDISK_WRITE_CACHE_STATE;


    typedef struct _DISK_CACHE_INFORMATION
    {

        //
        // on return indicates that the device is capable of saving any parameters
        // in non-volatile storage.  On send indicates that the device should
        // save the state in non-volatile storage.
        //

        BOOLEAN ParametersSavable;

        //
        // Indicates whether the write and read caches are enabled.
        //

        BOOLEAN ReadCacheEnabled;
        BOOLEAN WriteCacheEnabled;

        //
        // Controls the likelyhood of data remaining in the cache depending on how
        // it got there.  Data cached from a READ or WRITE operation may be given
        // higher, lower or equal priority to data entered into the cache for other
        // means (like prefetch)
        //

        DISK_CACHE_RETENTION_PRIORITY ReadRetentionPriority;
        DISK_CACHE_RETENTION_PRIORITY WriteRetentionPriority;

        //
        // Requests for a larger number of blocks than this may have prefetching
        // disabled.  If this value is set to 0 prefetch will be disabled.
        //

        USHORT DisablePrefetchTransferLength;

        //
        // If TRUE then ScalarPrefetch (below) will be valid.  If FALSE then
        // the minimum and maximum values should be treated as a block count
        // (BlockPrefetch)
        //

        BOOLEAN PrefetchScalar;

        //
        // Contains the minimum and maximum amount of data which will be
        // will be prefetched into the cache on a disk operation.  This value
        // may either be a scalar multiplier of the transfer length of the request,
        // or an abolute number of disk blocks.  PrefetchScalar (above) indicates
        // which interpretation is used.
        //

        union
        {
            struct
            {
                USHORT Minimum;
                USHORT Maximum;

                //
                // The maximum number of blocks which will be prefetched - useful
                // with the scalar limits to set definite upper limits.
                //

                USHORT MaximumBlocks;
            } ScalarPrefetch;

            struct
            {
                USHORT Minimum;
                USHORT Maximum;
            } BlockPrefetch;
        };

    } DISK_CACHE_INFORMATION, *PDISK_CACHE_INFORMATION;

//
// IOCTL_DISK_GROW_PARTITION will update the size of a partition
// by adding sectors to the length. The number of sectors must be
// predetermined by examining PARTITION_INFORMATION.
//

    typedef struct _DISK_GROW_PARTITION
    {
        ULONG PartitionNumber;
        LARGE_INTEGER BytesToGrow;
    } DISK_GROW_PARTITION, *PDISK_GROW_PARTITION;
#endif /* _WIN32_WINNT >= 0x0500 */

///////////////////////////////////////////////////////
//                                                   //
// The following structures define disk performance  //
// statistics: specifically the locations of all the //
// reads and writes which have occured on the disk.  //
//                                                   //
// To use these structures, you must issue an IOCTL_ //
// DISK_HIST_STRUCTURE (with a DISK_HISTOGRAM) to    //
// obtain the basic histogram information. The       //
// number of buckets which must allocated is part of //
// this structure. Allocate the required number of   //
// buckets and call an IOCTL_DISK_HIST_DATA to fill  //
// in the data                                       //
//                                                   //
///////////////////////////////////////////////////////

#define HIST_NO_OF_BUCKETS  24

    typedef struct _HISTOGRAM_BUCKET
    {
        ULONG       Reads;
        ULONG       Writes;
    } HISTOGRAM_BUCKET, *PHISTOGRAM_BUCKET;

#define HISTOGRAM_BUCKET_SIZE   sizeof(HISTOGRAM_BUCKET)

    typedef struct _DISK_HISTOGRAM
    {
        LARGE_INTEGER   DiskSize;
        LARGE_INTEGER   Start;
        LARGE_INTEGER   End;
        LARGE_INTEGER   Average;
        LARGE_INTEGER   AverageRead;
        LARGE_INTEGER   AverageWrite;
        ULONG           Granularity;
        ULONG           Size;
        ULONG           ReadCount;
        ULONG           WriteCount;
        PHISTOGRAM_BUCKET  Histogram;
    } DISK_HISTOGRAM, *PDISK_HISTOGRAM;

#define DISK_HISTOGRAM_SIZE sizeof(DISK_HISTOGRAM)

///////////////////////////////////////////////////////
//                                                   //
// The following structures define disk debugging    //
// capabilities. The IOCTLs are directed to one of   //
// the two disk filter drivers.                      //
//                                                   //
// DISKPERF is a utilty for collecting disk request  //
// statistics.                                       //
//                                                   //
// SIMBAD is a utility for injecting faults in       //
// IO requests to disks.                             //
//                                                   //
///////////////////////////////////////////////////////

//
// The following structure is exchanged on an IOCTL_DISK_GET_PERFORMANCE
// request. This ioctl collects summary disk request statistics used
// in measuring performance.
//

    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;

//
// This structure defines the disk logging record. When disk logging
// is enabled, one of these is written to an internal buffer for each
// disk request.
//

    typedef struct _DISK_RECORD
    {
        LARGE_INTEGER ByteOffset;
        LARGE_INTEGER StartTime;
        LARGE_INTEGER EndTime;
        PVOID VirtualAddress;
        ULONG NumberOfBytes;
        UCHAR DeviceNumber;
        BOOLEAN ReadRequest;
    } DISK_RECORD, *PDISK_RECORD;

//
// The following structure is exchanged on an IOCTL_DISK_LOG request.
// Not all fields are valid with each function type.
//

    typedef struct _DISK_LOGGING
    {
        UCHAR Function;
        PVOID BufferAddress;
        ULONG BufferSize;
    } DISK_LOGGING, *PDISK_LOGGING;

//
// Disk logging functions
//
// Start disk logging. Only the Function and BufferSize fields are valid.
//

#define DISK_LOGGING_START    0

//
// Stop disk logging. Only the Function field is valid.
//

#define DISK_LOGGING_STOP     1

//
// Return disk log. All fields are valid. Data will be copied from internal
// buffer to buffer specified for the number of bytes requested.
//

#define DISK_LOGGING_DUMP     2

//
// DISK BINNING
//
// DISKPERF will keep counters for IO that falls in each of these ranges.
// The application determines the number and size of the ranges.
// Joe Lin wanted me to keep it flexible as possible, for instance, IO
// sizes are interesting in ranges like 0-4096, 4097-16384, 16385-65536, 65537+.
//

#define DISK_BINNING          3

//
// Bin types
//

    typedef enum _BIN_TYPES
    {
        RequestSize,
        RequestLocation
    } BIN_TYPES;

//
// Bin ranges
//

    typedef struct _BIN_RANGE
    {
        LARGE_INTEGER StartValue;
        LARGE_INTEGER Length;
    } BIN_RANGE, *PBIN_RANGE;

//
// Bin definition
//

    typedef struct _PERF_BIN
    {
        ULONG NumberOfBins;
        ULONG TypeOfBin;
        BIN_RANGE BinsRanges[1];
    } PERF_BIN, *PPERF_BIN ;

//
// Bin count
//

    typedef struct _BIN_COUNT
    {
        BIN_RANGE BinRange;
        ULONG BinCount;
    } BIN_COUNT, *PBIN_COUNT;

//
// Bin results
//

    typedef struct _BIN_RESULTS
    {
        ULONG NumberOfBins;
        BIN_COUNT BinCounts[1];
    } BIN_RESULTS, *PBIN_RESULTS;

#if(_WIN32_WINNT >= 0x0400)
//
// Data structures for SMART drive fault prediction.
//
// GETVERSIONINPARAMS contains the data returned from the
// Get Driver Version function.
//

#include <pshpack1.h>
    typedef struct _GETVERSIONINPARAMS
    {
        UCHAR    bVersion;               // Binary driver version.
        UCHAR    bRevision;              // Binary driver revision.
        UCHAR    bReserved;              // Not used.
        UCHAR    bIDEDeviceMap;          // Bit map of IDE devices.
        ULONG   fCapabilities;          // Bit mask of driver capabilities.
        ULONG   dwReserved[4];          // For future use.
    } GETVERSIONINPARAMS, *PGETVERSIONINPARAMS, *LPGETVERSIONINPARAMS;
#include <poppack.h>

//
// Bits returned in the fCapabilities member of GETVERSIONINPARAMS
//

#define CAP_ATA_ID_CMD          1       // ATA ID command supported
#define CAP_ATAPI_ID_CMD        2       // ATAPI ID command supported
#define CAP_SMART_CMD           4       // SMART commannds supported

//
// IDE registers
//

#include <pshpack1.h>
    typedef struct _IDEREGS
    {
        UCHAR    bFeaturesReg;           // Used for specifying SMART "commands".
        UCHAR    bSectorCountReg;        // IDE sector count register
        UCHAR    bSectorNumberReg;       // IDE sector number register
        UCHAR    bCylLowReg;             // IDE low order cylinder value
        UCHAR    bCylHighReg;            // IDE high order cylinder value
        UCHAR    bDriveHeadReg;          // IDE drive/head register
        UCHAR    bCommandReg;            // Actual IDE command.
        UCHAR    bReserved;                      // reserved for future use.  Must be zero.
    } IDEREGS, *PIDEREGS, *LPIDEREGS;
#include <poppack.h>

//
// Valid values for the bCommandReg member of IDEREGS.
//

#define ATAPI_ID_CMD    0xA1            // Returns ID sector for ATAPI.
#define ID_CMD          0xEC            // Returns ID sector for ATA.
#define SMART_CMD       0xB0            // Performs SMART cmd.
    // Requires valid bFeaturesReg,
    // bCylLowReg, and bCylHighReg

//
// Cylinder register defines for SMART command
//

#define SMART_CYL_LOW   0x4F
#define SMART_CYL_HI    0xC2


//
// SENDCMDINPARAMS contains the input parameters for the
// Send Command to Drive function.
//

#include <pshpack1.h>
    typedef struct _SENDCMDINPARAMS
    {
        ULONG   cBufferSize;            // Buffer size in bytes
        IDEREGS irDriveRegs;            // Structure with drive register values.
        UCHAR    bDriveNumber;           // Physical drive number to send
        // command to (0,1,2,3).
        UCHAR    bReserved[3];           // Reserved for future expansion.
        ULONG   dwReserved[4];          // For future use.
        UCHAR    bBuffer[1];                     // Input buffer.
    } SENDCMDINPARAMS, *PSENDCMDINPARAMS, *LPSENDCMDINPARAMS;
#include <poppack.h>

//
// Status returned from driver
//

#include <pshpack1.h>
    typedef struct _DRIVERSTATUS
    {
        UCHAR    bDriverError;           // Error code from driver,
        // or 0 if no error.
        UCHAR    bIDEError;                      // Contents of IDE Error register.
        // Only valid when bDriverError
        // is SMART_IDE_ERROR.
        UCHAR    bReserved[2];           // Reserved for future expansion.
        ULONG   dwReserved[2];          // Reserved for future expansion.
    } DRIVERSTATUS, *PDRIVERSTATUS, *LPDRIVERSTATUS;
#include <poppack.h>

//
// bDriverError values
//

#define SMART_NO_ERROR          0       // No error
#define SMART_IDE_ERROR         1       // Error from IDE controller
#define SMART_INVALID_FLAG      2       // Invalid command flag
#define SMART_INVALID_COMMAND   3       // Invalid command byte
#define SMART_INVALID_BUFFER    4       // Bad buffer (null, invalid addr..)
#define SMART_INVALID_DRIVE     5       // Drive number not valid
#define SMART_INVALID_IOCTL     6       // Invalid IOCTL
#define SMART_ERROR_NO_MEM      7       // Could not lock user's buffer
#define SMART_INVALID_REGISTER  8       // Some IDE Register not valid
#define SMART_NOT_SUPPORTED     9       // Invalid cmd flag set
#define SMART_NO_IDE_DEVICE     10      // Cmd issued to device not present
    // although drive number is valid
//
// SMART sub commands for execute offline diags
//
#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


#include <pshpack1.h>
    typedef struct _SENDCMDOUTPARAMS
    {
        ULONG                   cBufferSize;            // Size of bBuffer in bytes
        DRIVERSTATUS            DriverStatus;           // Driver status structure.
        UCHAR                   bBuffer[1];             // Buffer of arbitrary length in which to store the data read from the                                                                                  // drive.
    } SENDCMDOUTPARAMS, *PSENDCMDOUTPARAMS, *LPSENDCMDOUTPARAMS;
#include <poppack.h>


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

//
// Feature register defines for SMART "sub commands"
//

#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
#endif /* _WIN32_WINNT >= 0x0400 */


// end_winioctl

//
// The following device control code is for the SIMBAD simulated bad
// sector facility. See SIMBAD.H in this directory for related structures.
//

#define IOCTL_DISK_SIMBAD               CTL_CODE(IOCTL_DISK_BASE, 0x0400, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)

//
// Queue link for mapped addresses stored for unmapping.
//

    typedef struct _MAPPED_ADDRESS
    {
        struct _MAPPED_ADDRESS *NextMappedAddress;
        PVOID MappedAddress;
        ULONG NumberOfBytes;
        LARGE_INTEGER IoAddress;
        ULONG BusNumber;
    } MAPPED_ADDRESS, *PMAPPED_ADDRESS;


#ifdef __cplusplus
}
#endif

#endif // _NTDDDISK_H_

