/*
 *  ntddstor.h  Storage device I/O control codes
 *
 * =========================================================================
 *
 *                          Open Watcom Project
 *
 * Copyright (c) 2004-2026 The Open Watcom Contributors. All Rights Reserved.
 *
 *    This file is automatically generated. Do not edit directly.
 *
 * =========================================================================
 */

#ifdef DEFINE_GUID

/* GUIDs */
DEFINE_GUID( GUID_DEVINTERFACE_DISK, 0x53F56307, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_CDROM, 0x53F56308, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_PARTITION, 0x53F4630A, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_TAPE, 0x53F4630B, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_WRITEONCEDISK, 0x53F4630C, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_VOLUME, 0x53F4630D, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_MEDIUMCHANGER, 0x53F46310, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_FLOPPY, 0x53F56311, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_CDCHANGER, 0x53F56312, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_STORAGEPORT, 0x2ACCFE60, 0xC130, 0x11D2, 0xB0, 0x82, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B );
DEFINE_GUID( GUID_DEVINTERFACE_HIDDEN_VOLUME, 0x7F108A28, 0x9833, 0x4B3B, 0xB7, 0x80, 0x2C, 0x6B, 0x5F, 0xA5, 0xC0, 0x62 );

/* Old names for compatibility */
#define DiskClassGuid               GUID_DEVINTERFACE_DISK
#define CdRomClassGuid              GUID_DEVINTERFACE_CDROM
#define PartitionClassGuid          GUID_DEVINTERFACE_PARTITION
#define TapeClassGuid               GUID_DEVINTERFACE_TAPE
#define WriteOnceDiskClassGuid      GUID_DEVINTERFACE_WRITEONCEDISK
#define VolumeClassGuid             GUID_DEVINTERFACE_VOLUME
#define MediumChangerClassGuid      GUID_DEVINTERFACE_MEDIUMCHANGER
#define FloppyClassGuid             GUID_DEVINTERFACE_FLOPPY
#define CdChangerClassGuid          GUID_DEVINTERFACE_CDCHANGER
#define StoragePortClassGuid        GUID_DEVINTERFACE_STORAGEPORT
#define HiddenVolumeClassGuid       GUID_DEVINTERFACE_HIDDEN_VOLUME

#endif /* DEFINE_GUID */

#ifndef _NTDDSTOR_H_
#define _NTDDSTOR_H_

#ifndef _ENABLE_AUTODEPEND
 #pragma read_only_file
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Primitive data types */
typedef ULONG   DEVICE_DATA_MANAGEMENT_SET_ACTION;

/* Storage device I/O control codes */
#define IOCTL_STORAGE_BASE  FILE_DEVICE_MASS_STORAGE
#define IOCTL_STORAGE_CHECK_VERIFY \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0200, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_CHECK_VERIFY2 \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0200, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_MEDIA_REMOVAL \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_EJECT_MEDIA \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0202, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_LOAD_MEDIA \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0203, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_LOAD_MEDIA2 \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0203, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_RESERVE \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0204, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_RELEASE \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0205, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_FIND_NEW_DEVICES \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0206, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_EJECTION_CONTROL \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0250, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_MCN_CONTROL \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0251, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_GET_MEDIA_TYPES \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0300, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_GET_MEDIA_TYPES_EX \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0301, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_GET_MEDIA_SERIAL_NUMBER \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0304, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_GET_HOTPLUG_INFO \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0305, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_SET_HOTPLUG_INFO \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0306, METHOD_BUFFERED, FILE_READ_ACCESS | \
    FILE_WRITE_ACCESS )
#define IOCTL_STORAGE_RESET_BUS \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0400, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_RESET_DEVICE \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_BREAK_RESERVATION \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0405, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_PERSISTENT_RESERVE_IN \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0406, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_PERSISTENT_RESERVE_OUT \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0407, METHOD_BUFFERED, FILE_READ_ACCESS | \
    FILE_WRITE_ACCESS )
#define IOCTL_STORAGE_GET_DEVICE_NUMBER \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0420, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_PREDICT_FAILURE \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0440, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_READ_CAPACITY \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0450, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_QUERY_PROPERTY \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0500, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_STORAGE_MANAGE_DATA_SET_PROPERTIES \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0501, METHOD_BUFFERED, FILE_WRITE_ACCESS )
#define IOCTL_STORAGE_GET_BC_PROPERTIES \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0600, METHOD_BUFFERED, FILE_READ_ACCESS )
#define IOCTL_STORAGE_ALLOCATE_BC_STREAM \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0601, METHOD_BUFFERED, FILE_READ_ACCESS | \
    FILE_WRITE_ACCESS )
#define IOCTL_STORAGE_FREE_BC_STREAM \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0602, METHOD_BUFFERED, FILE_READ_ACCESS | \
    FILE_WRITE_ACCESS )
#define IOCTL_STORAGE_CHECK_PRIORITY_HINT_SUPPORT \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0620, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define OBSOLETE_IOCTL_STORAGE_RESET_BUS \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0400, METHOD_BUFFERED, FILE_READ_ACCESS | \
    FILE_WRITE_ACCESS )
#define OBSOLETE_IOCTL_STORAGE_RESET_DEVICE \
    CTL_CODE( IOCTL_STORAGE_BASE, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS | \
    FILE_WRITE_ACCESS )

/* Tape statistics flags */
#define RECOVERED_WRITES_VALID          0x00000001L
#define UNRECOVERED_WRITES_VALID        0x00000002L
#define RECOVERED_READS_VALID           0x00000004L
#define UNRECOVERED_READS_VALID         0x00000008L
#define WRITE_COMPRESSION_INFO_VALID    0x00000010L
#define READ_COMPRESSION_INFO_VALID     0x00000020L

/* TAPE_GET_STATISTICS operations */
#define TAPE_RETURN_STATISTICS  0L
#define TAPE_RETURN_ENV_INFO    1L
#define TAPE_RESET_STATISTICS   2L

/* Media characteristics */
#define MEDIA_ERASEABLE         0x00000001L
#define MEDIA_WRITE_ONCE        0x00000002L
#define MEDIA_READ_ONLY         0x00000004L
#define MEDIA_READ_WRITE        0x00000008L
#define MEDIA_WRITE_PROTECTED   0x00000100L
#define MEDIA_CURRENTLY_MOUNTED 0x80000000L

/* Device data set management action flags */
#define DeviceDsmActionFlag_NonDestructive  0x80000000L

/* Macro to manipulate device data data set management action flags */
#define IsDsmActionNonDestructive( x ) \
    ((BOOLEAN)(((x) & DeviceDsmActionFlag_NonDestructive) != 0L))

/* Device data set management actions */
#define DeviceDsmAction_None            0L
#define DeviceDsmAction_Trim            1L
#define DeviceDsmAction_Notification    (2L | DeviceDsmActionFlag_NonDestructive)

/* Device data set management flags */
#define DEVICE_DSM_FLAG_ENTIRE_DATA_SET_RANGE   0x00000001L

/* Device data set management notification flags */
#define DEVICE_DSM_NOTIFY_FLAG_BEGIN    0x00000001L
#define DEVICE_DSM_NOTIFY_FLAG_END      0x00000002L

/* Storage BC version number */
#define IOCTL_STORAGE_BC_VERSION    1L

/* Storage priority hint support flags */
#define STORAGE_PRIORITY_HINT_SUPPORTED 0x00000001L

/* Storage hotplug information */
typedef struct _STORAGE_HOTPLUG_INFO {
    ULONG   Size;
    BOOLEAN MediaRemovable;
    BOOLEAN MediaHotplug;
    BOOLEAN DeviceHotplug;
    BOOLEAN WriteCacheEnableOverride;
} STORAGE_HOTPLUG_INFO;
typedef STORAGE_HOTPLUG_INFO    *PSTORAGE_HOTPLUG_INFO;

/* Storage device number */
typedef struct _STORAGE_DEVICE_NUMBER {
    DEVICE_TYPE DeviceType;
    ULONG       DeviceNumber;
    ULONG       PartitionNumber;
} STORAGE_DEVICE_NUMBER;
typedef STORAGE_DEVICE_NUMBER   *PSTORAGE_DEVICE_NUMBER;

/* Storage bus reset request */
typedef struct _STORAGE_BUS_RESET_REQUEST {
    UCHAR   PathId;
} STORAGE_BUS_RESET_REQUEST;
typedef STORAGE_BUS_RESET_REQUEST   *PSTORAGE_BUS_RESET_REQUEST;

/* Storage break reservation request */
typedef struct STORAGE_BREAK_RESERVATION_REQUEST {
    ULONG   Length;
    UCHAR   _unused;
    UCHAR   PathId;
    UCHAR   TargetId;
    UCHAR   Lun;
} STORAGE_BREAK_RESERVATION_REQUEST;
typedef STORAGE_BREAK_RESERVATION_REQUEST   *PSTORAGE_BREAK_RESERVATION_REQUEST;

/* IOCTL_STORAGE_MEDIA_REMOVAL parameters */
typedef struct _PREVENT_MEDIA_REMOVAL {
    BOOLEAN PreventMediaRemoval;
} PREVENT_MEDIA_REMOVAL;
typedef PREVENT_MEDIA_REMOVAL   *PPREVENT_MEDIA_REMOVAL;

/* Class media change context */
typedef struct _CLASS_MEDIA_CHANGE_CONTEXT {
    ULONG   MediaChangeContext;
    ULONG   NewState;
} CLASS_MEDIA_CHANGE_CONTEXT;
typedef CLASS_MEDIA_CHANGE_CONTEXT  *PCLASS_MEDIA_CHANGE_CONTEXT;

/* Tape statistics */
typedef struct _TAPE_STATISTICS {
    ULONG           Version;
    ULONG           Flags;
    LARGE_INTEGER   RecoveredWrites;
    LARGE_INTEGER   UnrecoveredWrites;
    LARGE_INTEGER   RecoveredReads;
    LARGE_INTEGER   UnrecoveredReads;
    UCHAR           CompressionRatioReads;
    UCHAR           CompressionRatioWrites;
} TAPE_STATISTICS;
typedef TAPE_STATISTICS *PTAPE_STATISTICS;

/* IOCTL_TAPE_GET_STATISTICS parameters */
typedef struct _TAPE_GET_STATISTICS {
    ULONG   Operation;
} TAPE_GET_STATISTICS;
typedef TAPE_GET_STATISTICS *PTAPE_GET_STATISTICS;

/* Storage media types */
typedef enum _STORAGE_MEDIA_TYPE {
    DDS_4mm             = 0x20,
    MiniQic             = 0x21,
    Travan              = 0x22,
    QIC                 = 0x23,
    MP_8mm              = 0x24,
    AME_8mm             = 0x25,
    AIT1_8mm            = 0x26,
    DLT                 = 0x27,
    NCTP                = 0x28,
    IBM_3480            = 0x29,
    IBM_3480E           = 0x2A,
    IBM_Magstar_3590    = 0x2B,
    IBM_Magstar_MP      = 0x2C,
    STK_DATA_D3         = 0x2D,
    SONY_DTF            = 0x2E,
    DV_6mm              = 0x2F,
    DMI                 = 0x30,
    SONY_D2             = 0x31,
    CLEANER_CARTRIDGE   = 0x32,
    CD_ROM              = 0x33,
    CD_R                = 0x34,
    CD_RW               = 0x35,
    DVD_ROM             = 0x36,
    DVD_R               = 0x37,
    DVD_RW              = 0x38,
    MO_3_RW             = 0x39,
    MO_5_WO             = 0x3A,
    MO_5_RW             = 0x3B,
    MO_5_LIMDOW         = 0x3C,
    PC_5_WO             = 0x3D,
    PC_5_RW             = 0x3E,
    PD_5_RW             = 0x3F,
    ABL_5_WO            = 0x40,
    PINNACLE_APEX_5_RW  = 0x41,
    SONY_12_WO          = 0x42,
    PHILIPS_12_WO       = 0x43,
    HITACHI_12_WO       = 0x44,
    CYGNET_12_WO        = 0x45,
    KODAK_14_WO         = 0x46,
    MO_NFR_525          = 0x47,
    NIKON_12_RW         = 0x48,
    IOMEGA_ZIP          = 0x49,
    IOMEGA_JAZ          = 0x4A,
    SYQUEST_EZ135       = 0x4B,
    SYQUEST_EZFLYER     = 0x4C,
    SYQUEST_SYJET       = 0x4D,
    AVATAR_F2           = 0x4E,
    MP2_8mm             = 0x4F,
    DST_S               = 0x50,
    DST_M               = 0x51,
    DST_L               = 0x52,
    VXATape_1           = 0x53,
    VXATape_2           = 0x54,
#if (NTDDI_VERSION < 0x05010000)
    STK_EAGLE           = 0x55,
#else
    STK_9840            = 0x55,
#endif
    LTO_Ultrium         = 0x56,
    LTO_Accelis         = 0x57,
    DVD_RAM             = 0x58,
    ATI_8mm             = 0x59,
    ADR_1               = 0x5A,
    ADR_2               = 0x5B,
    STK_9940            = 0x5C,
    SAIT                = 0x5D,
    VXATape             = 0x5E
} STORAGE_MEDIA_TYPE;
typedef STORAGE_MEDIA_TYPE  *PSTORAGE_MEDIA_TYPE;

/* Storage bus types */
typedef enum _STORAGE_BUS_TYPE {
    BusTypeUnknown              = 0x00,
    BusTypeScsi                 = 0x01,
    BusTypeAtapi                = 0x02,
    BusTypeAta                  = 0x03,
    BusType1394                 = 0x04,
    BusTypeSsa                  = 0x05,
    BusTypeFibre                = 0x06,
    BusTypeUsb                  = 0x07,
    BusTypeRAID                 = 0x08,
    BusTypeiScsi                = 0x09,
    BusTypeSas                  = 0x0A,
    BusTypeSata                 = 0x0B,
    BusTypeSd                   = 0x0C,
    BusTypeMmc                  = 0x0D,
    BusTypeVirtual              = 0x0E,
    BusTypeFileBackedVirtual    = 0x0F,
    BusTypeMax                  = 0x10,
    BusTypeMaxReserved          = 0x7F
} STORAGE_BUS_TYPE;
typedef STORAGE_BUS_TYPE    *PSTORAGE_BUS_TYPE;

/* Device media information */
typedef struct _DEVICE_MEDIA_INFO {
    union {
        struct {
            LARGE_INTEGER       Cylinders;
            STORAGE_MEDIA_TYPE  MediaType;
            ULONG               TracksPerCylinder;
            ULONG               SectorsPerTrack;
            ULONG               BytesPerSector;
            ULONG               NumberMediaSides;
            ULONG               MediaCharacteristics;
        } DiskInfo;
        struct {
            LARGE_INTEGER       Cylinders;
            STORAGE_MEDIA_TYPE  MediaType;
            ULONG               TracksPerCylinder;
            ULONG               SectorsPerTrack;
            ULONG               BytesPerSector;
            ULONG               NumberMediaSides;
            ULONG               MediaCharacteristics;
        } RemovableDiskInfo;
        struct {
            STORAGE_MEDIA_TYPE  MediaType;
            ULONG               MediaCharacteristics;
            ULONG               CurrentBlockSize;
            STORAGE_BUS_TYPE    BusType;
            union {
                struct {
                    UCHAR   MediumType;
                    UCHAR   DensityCode;
                } ScsiInformation;
            } BusSpecificData;
        } TapeInfo;
    } DeviceSpecific;
} DEVICE_MEDIA_INFO;
typedef DEVICE_MEDIA_INFO   *PDEVICE_MEDIA_INFO;

/* Media type information */
typedef struct _GET_MEDIA_TYPES {
    ULONG               DeviceType;
    ULONG               MediaInfoCount;
    DEVICE_MEDIA_INFO   MediaInfo[1];
} GET_MEDIA_TYPES;
typedef GET_MEDIA_TYPES *PGET_MEDIA_TYPES;

/* IOCTL_STORAGE_PREDICT_FAILURE returned data */
typedef struct _STORAGE_PREDICT_FAILURE {
    ULONG   PredictFailure;
    UCHAR   VendorSpecific[512];
} STORAGE_PREDICT_FAILURE;
typedef STORAGE_PREDICT_FAILURE *PSTORAGE_PREDICT_FAILURE;

/* Storage query types */
typedef enum _STORAGE_QUERY_TYPE {
    PropertyStandardQuery   = 0,
    PropertyExistsQuery     = 1,
    PropertyMaskQuery       = 2,
    PropertyQueryMaxDefined = 3
} STORAGE_QUERY_TYPE;
typedef STORAGE_QUERY_TYPE  *PSTORAGE_QUERY_TYPE;

/* Storage property identifiers */
typedef enum _STORAGE_PROPERTY_ID {
    StorageDeviceProperty                   = 0,
    StorageAdapterProperty                  = 1,
    StorageDeviceIdProperty                 = 2,
    StorageDeviceUniqueIdProperty           = 3,
    StorageDeviceWriteCacheProperty         = 4,
    StorageMiniportProperty                 = 5,
    StorageAccessAlignmentProperty          = 6,
    StorageDeviceSeekPenaltyProperty        = 7,
    StorageDeviceTrimProperty               = 8,
    StorageDeviceWriteAggregationProperty   = 9
} STORAGE_PROPERTY_ID;
typedef STORAGE_PROPERTY_ID *PSTORAGE_PROPERTY_ID;

/* Storage property query */
typedef struct _STORAGE_PROPERTY_QUERY {
    STORAGE_PROPERTY_ID PropertyId;
    STORAGE_QUERY_TYPE  QueryType;
    UCHAR               AdditionalParameters[1];
} STORAGE_PROPERTY_QUERY;
typedef STORAGE_PROPERTY_QUERY  *PSTORAGE_PROPERTY_QUERY;

/* Storage description header */
typedef struct _STORAGE_DESCRIPTOR_HEADER {
    ULONG   Version;
    ULONG   Size;
} STORAGE_DESCRIPTOR_HEADER;
typedef STORAGE_DESCRIPTOR_HEADER   *PSTORAGE_DESCRIPTOR_HEADER;

/* Storage device descriptor */
typedef struct _STORAGE_DEVICE_DESCRIPTOR {
    ULONG               Version;
    ULONG               Size;
    UCHAR               DeviceType;
    UCHAR               DeviceTypeModifier;
    BOOLEAN             RemovableMedia;
    BOOLEAN             CommandQueueing;
    ULONG               VendorIdOffset;
    ULONG               ProductIdOffset;
    ULONG               ProductRevisionOffset;
    ULONG               SerialNumberOffset;
    STORAGE_BUS_TYPE    BusType;
    ULONG               RawPropertiesLength;
    UCHAR               RawDeviceProperties[1];
} STORAGE_DEVICE_DESCRIPTOR;
typedef STORAGE_DEVICE_DESCRIPTOR   *PSTORAGE_DEVICE_DESCRIPTOR;

/* Storage adapter descriptor */
typedef struct _STORAGE_ADAPTER_DESCRIPTOR {
    ULONG   Version;
    ULONG   Size;
    ULONG   MaximumTransferLength;
    ULONG   MaximumPhysicalPages;
    ULONG   AlignmentMask;
    BOOLEAN AdapterUsesPio;
    BOOLEAN AdapterScansDown;
    BOOLEAN CommandQueueing;
    BOOLEAN AcceleratedTransfer;
#if (NTDDI_VERSION < 0x05010000)
    BOOLEAN BusType;
#else
    UCHAR   BusType;
#endif
    USHORT  BusMajorVersion;
    USHORT  BusMinorVersion;
} STORAGE_ADAPTER_DESCRIPTOR;
typedef STORAGE_ADAPTER_DESCRIPTOR  *PSTORAGE_ADAPTER_DESCRIPTOR;

/* Storage access alignment descriptor */
typedef struct _STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR {
    ULONG   Version;
    ULONG   Size;
    ULONG   BytesPerCacheLine;
    ULONG   BytesOffsetForCacheAlignment;
    ULONG   BytesPerLogicalSector;
    ULONG   BytesPerPhysicalSector;
    ULONG   BytesOffsetForSectorAlignment;
} STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR;
typedef STORAGE_ACCESS_ALIGNMENT_DESCRIPTOR *PSTORAGE_ACCESS_ALIGNMENT_DESCRIPTOR;

/* Storage port code sets */
typedef enum _STORAGE_PORT_CODE_SET {
    StoragePortCodeSetReserved  = 0,
    StoragePortCodeSetStorport  = 1,
    StoragePortCodeSetSCSIport  = 2
} STORAGE_PORT_CODE_SET;
typedef STORAGE_PORT_CODE_SET   *PSTORAGE_PORT_CODE_SET;

/* Storage miniport descriptor */
typedef struct _STORAGE_MINIPORT_DESCRIPTOR {
    ULONG                   Version;
    ULONG                   Size;
    STORAGE_PORT_CODE_SET   Portdriver;
    BOOLEAN                 LUNResetSupported;
    BOOLEAN                 TargetResetSupported;
} STORAGE_MINIPORT_DESCRIPTOR;
typedef STORAGE_MINIPORT_DESCRIPTOR *PSTORAGE_MINIPORT_DESCRIPTOR;

/* Storage identifier code sets */
typedef enum _STORAGE_IDENTIFIER_CODE_SET {
    StorageIdCodeSetReserved    = 0,
    StorageIdCodeSetBinary      = 1,
    StorageIdCodeSetAscii       = 2,
    StorageIdCodeSetUtf8        = 3
} STORAGE_IDENTIFIER_CODE_SET;
typedef STORAGE_IDENTIFIER_CODE_SET *PSTORAGE_IDENTIFIER_CODE_SET;

/* Storage identifier types */
typedef enum _STORAGE_IDENTIFIER_TYPE {
    StorageIdTypeVendorSpecific             = 0,
    StorageIdTypeVendorId                   = 1,
    StorageIdTypeEUI64                      = 2,
    StorageIdTypeFCPHName                   = 3,
    StorageIdTypePortRelative               = 4,
    StorageIdTypeTargetPortGroup            = 5,
    StorageIdTypeLogicalUnitGroup           = 6,
    StorageIdTypeMD5LogicalUnitIdentifier   = 7,
    StorageIdTypeScsiNameString             = 8
} STORAGE_IDENTIFIER_TYPE;
typedef STORAGE_IDENTIFIER_TYPE *PSTORAGE_IDENTIFIER_TYPE;
#define StorageIdTypeNAA    StorageIdTypeFCPHName

/* Storage identifier NAA formats */
typedef enum _STORAGE_ID_NAA_FORMAT {
    StorageIdNAAFormatIEEEExtended              = 2,
    StorageIdNAAFormatIEEERegistered            = 3,
    StorageIdNAAFormatIEEEERegisteredExtended   = 5
} STORAGE_ID_NAA_FORMAT;
typedef STORAGE_ID_NAA_FORMAT   *PSTORAGE_ID_NAA_FORMAT;

/* Storage association types */
typedef enum _STORAGE_ASSOCIATION_TYPE {
    StorageIdAssocDevice    = 0,
    StorageIdAssocPort      = 1,
    StorageIdAssocTarget    = 2
} STORAGE_ASSOCIATION_TYPE;
typedef STORAGE_ASSOCIATION_TYPE    *PSTORAGE_ASSOCIATION_TYPE;

/* Storage identifier */
typedef struct _STORAGE_IDENTIFIER {
    STORAGE_IDENTIFIER_CODE_SET CodeSet;
    STORAGE_IDENTIFIER_TYPE     Type;
    USHORT                      IdentifierSize;
    USHORT                      NextOffset;
    STORAGE_ASSOCIATION_TYPE    Association;
    UCHAR                       Identifier[1];
} STORAGE_IDENTIFIER;
typedef STORAGE_IDENTIFIER  *PSTORAGE_IDENTIFIER;

/* Storage device identifier descriptor */
typedef struct _STORAGE_DEVICE_ID_DESCRIPTOR {
    ULONG   Version;
    ULONG   Size;
    ULONG   NumberOfIdentifiers;
    UCHAR   Identifiers[1];
} STORAGE_DEVICE_ID_DESCRIPTOR;
typedef STORAGE_DEVICE_ID_DESCRIPTOR    *PSTORAGE_DEVICE_ID_DESCRIPTOR;

/* Device seek penalty descriptor */
typedef struct _DEVICE_SEEK_PENALTY_DESCRIPTOR {
    ULONG   Version;
    ULONG   Size;
    BOOLEAN IncursSeekPenalty;
} DEVICE_SEEK_PENALTY_DESCRIPTOR;
typedef DEVICE_SEEK_PENALTY_DESCRIPTOR  *PDEVICE_SEEK_PENALTY_DESCRIPTOR;

/* Device write aggregation descriptor */
typedef struct _DEVICE_WRITE_AGGREGATION_DESCRIPTOR {
    ULONG   Version;
    ULONG   Size;
    BOOLEAN BenefitsFromWriteAggregation;
} DEVICE_WRITE_AGGREGATION_DESCRIPTOR;
typedef DEVICE_WRITE_AGGREGATION_DESCRIPTOR *PDEVICE_WRITE_AGGREGATION_DESCRIPTOR;

/* Device trim descriptor */
typedef struct _DEVICE_TRIM_DESCRIPTOR {
    ULONG   Version;
    ULONG   Size;
    BOOLEAN TrimEnabled;
} DEVICE_TRIM_DESCRIPTOR;
typedef DEVICE_TRIM_DESCRIPTOR  *PDEVICE_TRIM_DESCRIPTOR;

/* Device data set range */
typedef struct _DEVICE_DATA_SET_RANGE {
    LONGLONG    StartingOffset;
    ULONGLONG   LengthInBytes;
} DEVICE_DATA_SET_RANGE;
typedef DEVICE_DATA_SET_RANGE   *PDEVICE_DATA_SET_RANGE;

/* IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES parameters */
typedef struct _DEVICE_MANAGE_DATA_SET_ATTRIBUTES {
    ULONG                               Size;
    DEVICE_DATA_MANAGEMENT_SET_ACTION   Action;
    ULONG                               Flags;
    ULONG                               ParameterBlockOffset;
    ULONG                               ParameterBlockLength;
    ULONG                               DataSetRangesOffset;
    ULONG                               DataSetRangesLength;
} DEVICE_MANAGE_DATA_SET_ATTRIBUTES;
typedef DEVICE_MANAGE_DATA_SET_ATTRIBUTES   *PDEVICE_MANAGE_DATA_SET_ATTRIBUTES;

/* Device data set management notification parameters */
typedef struct _DEVICE_DSM_NOTIFICATION_PARAMETERS {
    ULONG   Size;
    ULONG   Flags;
    ULONG   NumFileTypeIDs;
    GUID    FileTypeID[1];
} DEVICE_DSM_NOTIFICATION_PARAMETERS;
typedef DEVICE_DSM_NOTIFICATION_PARAMETERS  *PDEVICE_DSM_NOTIFICATION_PARAMETERS;

/* IOCTL_STORAGE_GET_BC_PROPERTIES returned data */
typedef struct _STORAGE_GET_BC_PROPERTIES_OUTPUT {
    ULONG       MaximumRequestsPerPeriod;
    ULONG       MinimumPeriod;
    ULONGLONG   MaximumRequestSize;
    ULONG       EstimatedTimePerRequest;
    ULONG       NumOutStandingRequests;
    ULONGLONG   RequestSize;
} STORAGE_GET_BC_PROPERTIES_OUTPUT;
typedef STORAGE_GET_BC_PROPERTIES_OUTPUT    *PSTORAGE_GET_BC_PROPERTIES_OUTPUT;

/* IOCTL_STORAGE_ALLOCATE_BC_STREAM parameters */
typedef struct _STORAGE_ALLOCATE_BC_STREAM_INPUT {
    ULONG   Version;
    ULONG   RequestsPerPeriod;
    ULONG   Period;
    BOOLEAN RetryFailures;
    BOOLEAN Discardable;
    BOOLEAN Reserved1[2];
    ULONG   AccessType;
    ULONG   AccessMode;
} STORAGE_ALLOCATE_BC_STREAM_INPUT;
typedef STORAGE_ALLOCATE_BC_STREAM_INPUT    *PSTORAGE_ALLOCATE_BC_STREAM_INPUT;

/* IOCTL_STORAGE_ALLOCATE_BC_STREAM returned data */
typedef struct _STORAGE_ALLOCATE_BC_STREAM_OUTPUT {
    ULONGLONG   RequestSize;
    ULONG       NumOutStandingRequests;
} STORAGE_ALLOCATE_BC_STREAM_OUTPUT;
typedef STORAGE_ALLOCATE_BC_STREAM_OUTPUT   *PSTORAGE_ALLOCATE_BC_STREAM_OUTPUT;

/* Storage priority hint support information */
typedef struct _STORAGE_PRIORITY_HINT_SUPPORT {
    ULONG   SupportFlags;
} STORAGE_PRIORITY_HINT_SUPPORT;
typedef STORAGE_PRIORITY_HINT_SUPPORT   *PSTORAGE_PRIORITY_HINT_SUPPORT;

/* Storage media serial number data */
typedef struct _STORAGE_MEDIA_SERIAL_NUMBER_DATA {
    USHORT  Reserved;
    USHORT  SerialNumberLength;
    UCHAR   SerialNumber[1];
} STORAGE_MEDIA_SERIAL_NUMBER_DATA;
typedef STORAGE_MEDIA_SERIAL_NUMBER_DATA    *PSTORAGE_MEDIA_SERIAL_NUMBER_DATA;

/* Storage read capacity */
typedef struct _STORAGE_READ_CAPACITY {
    ULONG           Version;
    ULONG           Size;
    ULONG           BlockLength;
    LARGE_INTEGER   NumberOfBlocks;
    LARGE_INTEGER   DiskLength;
} STORAGE_READ_CAPACITY;
typedef STORAGE_READ_CAPACITY   *PSTORAGE_READ_CAPACITY;

/* Write cache types */
typedef enum _WRITE_CACHE_TYPE {
    WriteCacheTypeUnknown       = 0,
    WriteCacheTypeNone          = 1,
    WriteCacheTypeWriteBack     = 2,
    WriteCacheTypeWriteThrough  = 3
} WRITE_CACHE_TYPE;

/* Write cache enable values */
typedef enum _WRITE_CACHE_ENABLE {
    WriteCacheEnableUnknown = 0,
    WriteCacheDisabled      = 1,
    WriteCacheEnabled       = 2
} WRITE_CACHE_ENABLE;

/* Write cache change values */
typedef enum _WRITE_CACHE_CHANGE {
    WriteCacheChangeUnknown = 0,
    WriteCacheNotChangeable = 1,
    WriteCacheChangeable    = 2
} WRITE_CACHE_CHANGE;

/* Write through values */
typedef enum _WRITE_THROUGH {
    WriteThroughUnknown         = 0,
    WriteThroughNotSupported    = 1,
    WriteThroughSupported       = 2
} WRITE_THROUGH;

/* Storage write cache property */
typedef struct _STORAGE_WRITE_CACHE_PROPERTY {
    ULONG               Version;
    ULONG               Size;
    WRITE_CACHE_TYPE    WriteCacheType;
    WRITE_CACHE_ENABLE  WriteCacheEnabled;
    WRITE_CACHE_CHANGE  WriteCacheChangeable;
    WRITE_THROUGH       WriteThroughSupported;
    BOOLEAN             FlushCacheSupported;
    BOOLEAN             UserDefinedPowerProtection;
    BOOLEAN             NVCacheEnabled;
} STORAGE_WRITE_CACHE_PROPERTY;
typedef STORAGE_WRITE_CACHE_PROPERTY    *PSTORAGE_WRITE_CACHE_PROPERTY;

/* Persistent reserve command */
typedef struct _PERSISTENT_RESERVE_COMMAND {
    ULONG   Version;
    ULONG   Size;
    union {
        struct {
            UCHAR   ServiceAction   : 5;
            UCHAR   Reserved1       : 3;
            USHORT  AllocationLength;
        } PR_IN;
        struct {
            UCHAR   ServiceAction   : 5;
            UCHAR   Reserved1       : 3;
            UCHAR   Type            : 4;
            UCHAR   Scope           : 4;
            UCHAR   ParameterList[1];
        } PR_OUT;
    };
} PERSISTENT_RESERVE_COMMAND;
typedef PERSISTENT_RESERVE_COMMAND  *PPERSISTENT_RESERVE_COMMAND;

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* _NTDDSTOR_H_ */
