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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
ntddstor.h
Abstract:
This is the include file that defines all common constants and types accessing the storage class drivers
Author:
Peter Wieland 19-Jun-1996
Revision History:
--*/
// // Interface GUIDs // // need these GUIDs outside conditional includes so that user can // #include <ntddstor.h> in precompiled header // #include <initguid.h> in a single source file // #include <ntddstor.h> in that source file a second time to instantiate the GUIDs // #ifdef DEFINE_GUID // // Make sure FAR is defined... // #ifndef FAR #ifdef _WIN32 #define FAR #else #define FAR _far #endif #endif
// begin_wioctlguids DEFINE_GUID(GUID_DEVINTERFACE_DISK, 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_CDROM, 0x53f56308L, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_PARTITION, 0x53f5630aL, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_TAPE, 0x53f5630bL, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_WRITEONCEDISK, 0x53f5630cL, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_MEDIUMCHANGER, 0x53f56310L, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_FLOPPY, 0x53f56311L, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_CDCHANGER, 0x53f56312L, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT, 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); // end_wioctlguids
// begin_wioctlobsoleteguids #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 // end_wioctlobsoleteguids #endif
// begin_winioctl
#ifndef _NTDDSTOR_H_ #define _NTDDSTOR_H_
#ifdef __cplusplus extern "C" { #endif
// // IoControlCode values for storage devices //
#define IOCTL_STORAGE_BASE FILE_DEVICE_MASS_STORAGE
// // The following device control codes are common for all class drivers. They // should be used in place of the older IOCTL_DISK, IOCTL_CDROM and IOCTL_TAPE // common codes //
#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_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)
// end_winioctl
#define IOCTL_STORAGE_QUERY_PROPERTY CTL_CODE(IOCTL_STORAGE_BASE, 0x0500, METHOD_BUFFERED, FILE_ANY_ACCESS)
// begin_winioctl
// // These ioctl codes are obsolete. They are defined here to avoid resuing them // and to allow class drivers to respond to them more easily. //
#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)
// // IOCTL_STORAGE_GET_HOTPLUG_INFO //
typedef struct _STORAGE_HOTPLUG_INFO { ULONG Size; // version BOOLEAN MediaRemovable; // ie. zip, jaz, cdrom, mo, etc. vs hdd BOOLEAN MediaHotplug; // ie. does the device succeed a lock even though its not lockable media? BOOLEAN DeviceHotplug; // ie. 1394, USB, etc. BOOLEAN WriteCacheEnableOverride; // This field should not be relied upon because it is no longer used } STORAGE_HOTPLUG_INFO, *PSTORAGE_HOTPLUG_INFO;
// // IOCTL_STORAGE_GET_DEVICE_NUMBER // // input - none // // output - STORAGE_DEVICE_NUMBER structure // The values in the STORAGE_DEVICE_NUMBER structure are guaranteed // to remain unchanged until the system is rebooted. They are not // guaranteed to be persistant across boots. //
typedef struct _STORAGE_DEVICE_NUMBER {
// // The FILE_DEVICE_XXX type for this device. //
DEVICE_TYPE DeviceType;
// // The number of this device //
ULONG DeviceNumber;
// // If the device is partitionable, the partition number of the device. // Otherwise -1 //
ULONG PartitionNumber; } STORAGE_DEVICE_NUMBER, *PSTORAGE_DEVICE_NUMBER;
// // Define the structures for scsi resets //
typedef struct _STORAGE_BUS_RESET_REQUEST { UCHAR PathId; } STORAGE_BUS_RESET_REQUEST, *PSTORAGE_BUS_RESET_REQUEST;
// // IOCTL_STORAGE_MEDIA_REMOVAL disables the mechanism // on a storage device that ejects media. This function // may or may not be supported on storage devices that // support removable media. // // TRUE means prevent media from being removed. // FALSE means allow media removal. //
typedef struct _PREVENT_MEDIA_REMOVAL { BOOLEAN PreventMediaRemoval; } PREVENT_MEDIA_REMOVAL, *PPREVENT_MEDIA_REMOVAL;
// begin_ntminitape
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, *PTAPE_STATISTICS;
#define RECOVERED_WRITES_VALID 0x00000001 #define UNRECOVERED_WRITES_VALID 0x00000002 #define RECOVERED_READS_VALID 0x00000004 #define UNRECOVERED_READS_VALID 0x00000008 #define WRITE_COMPRESSION_INFO_VALID 0x00000010 #define READ_COMPRESSION_INFO_VALID 0x00000020
typedef struct _TAPE_GET_STATISTICS { ULONG Operation; } TAPE_GET_STATISTICS, *PTAPE_GET_STATISTICS;
#define TAPE_RETURN_STATISTICS 0L #define TAPE_RETURN_ENV_INFO 1L #define TAPE_RESET_STATISTICS 2L
// // IOCTL_STORAGE_GET_MEDIA_TYPES_EX will return an array of DEVICE_MEDIA_INFO // structures, one per supported type, embedded in the GET_MEDIA_TYPES struct. //
typedef enum _STORAGE_MEDIA_TYPE { // // Following are defined in ntdddisk.h in the MEDIA_TYPE enum // // 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) //
DDS_4mm = 0x20, // Tape - DAT DDS1,2,... (all vendors) MiniQic, // Tape - miniQIC Tape Travan, // Tape - Travan TR-1,2,3,... QIC, // Tape - QIC MP_8mm, // Tape - 8mm Exabyte Metal Particle AME_8mm, // Tape - 8mm Exabyte Advanced Metal Evap AIT1_8mm, // Tape - 8mm Sony AIT DLT, // Tape - DLT Compact IIIxt, IV NCTP, // Tape - Philips NCTP IBM_3480, // Tape - IBM 3480 IBM_3490E, // Tape - IBM 3490E IBM_Magstar_3590, // Tape - IBM Magstar 3590 IBM_Magstar_MP, // Tape - IBM Magstar MP STK_DATA_D3, // Tape - STK Data D3 SONY_DTF, // Tape - Sony DTF DV_6mm, // Tape - 6mm Digital Video DMI, // Tape - Exabyte DMI and compatibles SONY_D2, // Tape - Sony D2S and D2L CLEANER_CARTRIDGE, // Cleaner - All Drive types that support Drive Cleaners CD_ROM, // Opt_Disk - CD CD_R, // Opt_Disk - CD-Recordable (Write Once) CD_RW, // Opt_Disk - CD-Rewriteable DVD_ROM, // Opt_Disk - DVD-ROM DVD_R, // Opt_Disk - DVD-Recordable (Write Once) DVD_RW, // Opt_Disk - DVD-Rewriteable MO_3_RW, // Opt_Disk - 3.5" Rewriteable MO Disk MO_5_WO, // Opt_Disk - MO 5.25" Write Once MO_5_RW, // Opt_Disk - MO 5.25" Rewriteable (not LIMDOW) MO_5_LIMDOW, // Opt_Disk - MO 5.25" Rewriteable (LIMDOW) PC_5_WO, // Opt_Disk - Phase Change 5.25" Write Once Optical PC_5_RW, // Opt_Disk - Phase Change 5.25" Rewriteable PD_5_RW, // Opt_Disk - PhaseChange Dual Rewriteable ABL_5_WO, // Opt_Disk - Ablative 5.25" Write Once Optical PINNACLE_APEX_5_RW, // Opt_Disk - Pinnacle Apex 4.6GB Rewriteable Optical SONY_12_WO, // Opt_Disk - Sony 12" Write Once PHILIPS_12_WO, // Opt_Disk - Philips/LMS 12" Write Once HITACHI_12_WO, // Opt_Disk - Hitachi 12" Write Once CYGNET_12_WO, // Opt_Disk - Cygnet/ATG 12" Write Once KODAK_14_WO, // Opt_Disk - Kodak 14" Write Once MO_NFR_525, // Opt_Disk - Near Field Recording (Terastor) NIKON_12_RW, // Opt_Disk - Nikon 12" Rewriteable IOMEGA_ZIP, // Mag_Disk - Iomega Zip IOMEGA_JAZ, // Mag_Disk - Iomega Jaz SYQUEST_EZ135, // Mag_Disk - Syquest EZ135 SYQUEST_EZFLYER, // Mag_Disk - Syquest EzFlyer SYQUEST_SYJET, // Mag_Disk - Syquest SyJet AVATAR_F2, // Mag_Disk - 2.5" Floppy MP2_8mm, // Tape - 8mm Hitachi DST_S, // Ampex DST Small Tapes DST_M, // Ampex DST Medium Tapes DST_L, // Ampex DST Large Tapes VXATape_1, // Ecrix 8mm Tape VXATape_2, // Ecrix 8mm Tape STK_9840, // STK 9840 LTO_Ultrium, // IBM, HP, Seagate LTO Ultrium LTO_Accelis, // IBM, HP, Seagate LTO Accelis DVD_RAM, // Opt_Disk - DVD-RAM AIT_8mm, // AIT2 or higher ADR_1, // OnStream ADR Mediatypes ADR_2 } STORAGE_MEDIA_TYPE, *PSTORAGE_MEDIA_TYPE;
#define MEDIA_ERASEABLE 0x00000001 #define MEDIA_WRITE_ONCE 0x00000002 #define MEDIA_READ_ONLY 0x00000004 #define MEDIA_READ_WRITE 0x00000008
#define MEDIA_WRITE_PROTECTED 0x00000100 #define MEDIA_CURRENTLY_MOUNTED 0x80000000
// // Define the different storage bus types // Bus types below 128 (0x80) are reserved for Microsoft use //
typedef enum _STORAGE_BUS_TYPE { BusTypeUnknown = 0x00, BusTypeScsi, BusTypeAtapi, BusTypeAta, BusType1394, BusTypeSsa, BusTypeFibre, BusTypeUsb, BusTypeRAID, BusTypeMaxReserved = 0x7F } STORAGE_BUS_TYPE, *PSTORAGE_BUS_TYPE;
typedef struct _DEVICE_MEDIA_INFO { union { struct { LARGE_INTEGER Cylinders; STORAGE_MEDIA_TYPE MediaType; ULONG TracksPerCylinder; ULONG SectorsPerTrack; ULONG BytesPerSector; ULONG NumberMediaSides; ULONG MediaCharacteristics; // Bitmask of MEDIA_XXX values. } DiskInfo;
struct { LARGE_INTEGER Cylinders; STORAGE_MEDIA_TYPE MediaType; ULONG TracksPerCylinder; ULONG SectorsPerTrack; ULONG BytesPerSector; ULONG NumberMediaSides; ULONG MediaCharacteristics; // Bitmask of MEDIA_XXX values. } RemovableDiskInfo;
struct { STORAGE_MEDIA_TYPE MediaType; ULONG MediaCharacteristics; // Bitmask of MEDIA_XXX values. ULONG CurrentBlockSize; STORAGE_BUS_TYPE BusType;
// // Bus specific information describing the medium supported. //
union { struct { UCHAR MediumType; UCHAR DensityCode; } ScsiInformation; } BusSpecificData;
} TapeInfo; } DeviceSpecific; } DEVICE_MEDIA_INFO, *PDEVICE_MEDIA_INFO;
typedef struct _GET_MEDIA_TYPES { ULONG DeviceType; // FILE_DEVICE_XXX values ULONG MediaInfoCount; DEVICE_MEDIA_INFO MediaInfo[1]; } GET_MEDIA_TYPES, *PGET_MEDIA_TYPES;
// // IOCTL_STORAGE_PREDICT_FAILURE // // input - none // // output - STORAGE_PREDICT_FAILURE structure // PredictFailure returns zero if no failure predicted and non zero // if a failure is predicted. // // VendorSpecific returns 512 bytes of vendor specific information // if a failure is predicted // typedef struct _STORAGE_PREDICT_FAILURE { ULONG PredictFailure; UCHAR VendorSpecific[512]; } STORAGE_PREDICT_FAILURE, *PSTORAGE_PREDICT_FAILURE;
// end_ntminitape // end_winioctl
// // Property Query Structures //
// // IOCTL_STORAGE_QUERY_PROPERTY // // Input Buffer: // a STORAGE_PROPERTY_QUERY structure which describes what type of query // is being done, what property is being queried for, and any additional // parameters which a particular property query requires. // // Output Buffer: // Contains a buffer to place the results of the query into. Since all // property descriptors can be cast into a STORAGE_DESCRIPTOR_HEADER, // the IOCTL can be called once with a small buffer then again using // a buffer as large as the header reports is necessary. //
// // Types of queries //
typedef enum _STORAGE_QUERY_TYPE { PropertyStandardQuery = 0, // Retrieves the descriptor PropertyExistsQuery, // Used to test whether the descriptor is supported PropertyMaskQuery, // Used to retrieve a mask of writeable fields in the descriptor PropertyQueryMaxDefined // use to validate the value } STORAGE_QUERY_TYPE, *PSTORAGE_QUERY_TYPE;
// // define some initial property id's //
typedef enum _STORAGE_PROPERTY_ID { StorageDeviceProperty = 0, StorageAdapterProperty, StorageDeviceIdProperty } STORAGE_PROPERTY_ID, *PSTORAGE_PROPERTY_ID;
// // Query structure - additional parameters for specific queries can follow // the header //
typedef struct _STORAGE_PROPERTY_QUERY {
// // ID of the property being retrieved //
STORAGE_PROPERTY_ID PropertyId;
// // Flags indicating the type of query being performed //
STORAGE_QUERY_TYPE QueryType;
// // Space for additional parameters if necessary //
UCHAR AdditionalParameters[1];
} STORAGE_PROPERTY_QUERY, *PSTORAGE_PROPERTY_QUERY;
// // Standard property descriptor header. All property pages should use this // as their first element or should contain these two elements //
typedef struct _STORAGE_DESCRIPTOR_HEADER {
ULONG Version;
ULONG Size;
} STORAGE_DESCRIPTOR_HEADER, *PSTORAGE_DESCRIPTOR_HEADER;
// // Device property descriptor - this is really just a rehash of the inquiry // data retrieved from a scsi device // // This may only be retrieved from a target device. Sending this to the bus // will result in an error //
typedef struct _STORAGE_DEVICE_DESCRIPTOR {
// // Sizeof(STORAGE_DEVICE_DESCRIPTOR) //
ULONG Version;
// // Total size of the descriptor, including the space for additional // data and id strings //
ULONG Size;
// // The SCSI-2 device type //
UCHAR DeviceType;
// // The SCSI-2 device type modifier (if any) - this may be zero //
UCHAR DeviceTypeModifier;
// // Flag indicating whether the device's media (if any) is removable. This // field should be ignored for media-less devices //
BOOLEAN RemovableMedia;
// // Flag indicating whether the device can support mulitple outstanding // commands. The actual synchronization in this case is the responsibility // of the port driver. //
BOOLEAN CommandQueueing;
// // Byte offset to the zero-terminated ascii string containing the device's // vendor id string. For devices with no such ID this will be zero //
ULONG VendorIdOffset;
// // Byte offset to the zero-terminated ascii string containing the device's // product id string. For devices with no such ID this will be zero //
ULONG ProductIdOffset;
// // Byte offset to the zero-terminated ascii string containing the device's // product revision string. For devices with no such string this will be // zero //
ULONG ProductRevisionOffset;
// // Byte offset to the zero-terminated ascii string containing the device's // serial number. For devices with no serial number this will be zero //
ULONG SerialNumberOffset;
// // Contains the bus type (as defined above) of the device. It should be // used to interpret the raw device properties at the end of this structure // (if any) //
STORAGE_BUS_TYPE BusType;
// // The number of bytes of bus-specific data which have been appended to // this descriptor //
ULONG RawPropertiesLength;
// // Place holder for the first byte of the bus specific property data //
UCHAR RawDeviceProperties[1];
} STORAGE_DEVICE_DESCRIPTOR, *PSTORAGE_DEVICE_DESCRIPTOR;
// // Adapter properties // // This descriptor can be retrieved from a target device object of from the // device object for the bus. Retrieving from the target device object will // forward the request to the underlying bus //
typedef struct _STORAGE_ADAPTER_DESCRIPTOR {
ULONG Version;
ULONG Size;
ULONG MaximumTransferLength;
ULONG MaximumPhysicalPages;
ULONG AlignmentMask;
BOOLEAN AdapterUsesPio;
BOOLEAN AdapterScansDown;
BOOLEAN CommandQueueing;
BOOLEAN AcceleratedTransfer;
UCHAR BusType;
USHORT BusMajorVersion;
USHORT BusMinorVersion;
} STORAGE_ADAPTER_DESCRIPTOR, *PSTORAGE_ADAPTER_DESCRIPTOR;
// // Storage identification descriptor. // The definitions here are based on the SCSI/SBP vital product data // device identifier page. //
typedef enum _STORAGE_IDENTIFIER_CODE_SET { StorageIdCodeSetReserved = 0, StorageIdCodeSetBinary = 1, StorageIdCodeSetAscii = 2 } STORAGE_IDENTIFIER_CODE_SET, *PSTORAGE_IDENTIFIER_CODE_SET;
typedef enum _STORAGE_IDENTIFIER_TYPE { StorageIdTypeVendorSpecific = 0, StorageIdTypeVendorId = 1, StorageIdTypeEUI64 = 2, StorageIdTypeFCPHName = 3, StorageIdTypePortRelative = 4 } STORAGE_IDENTIFIER_TYPE, *PSTORAGE_IDENTIFIER_TYPE;
typedef enum _STORAGE_ASSOCIATION_TYPE { StorageIdAssocDevice = 0, StorageIdAssocPort = 1 } STORAGE_ASSOCIATION_TYPE, *PSTORAGE_ASSOCIATION_TYPE;
typedef struct _STORAGE_IDENTIFIER { STORAGE_IDENTIFIER_CODE_SET CodeSet; STORAGE_IDENTIFIER_TYPE Type; USHORT IdentifierSize; USHORT NextOffset;
// // Add new fields here since existing code depends on // the above layout not changing. //
STORAGE_ASSOCIATION_TYPE Association;
// // The identifier is a variable length array of bytes. //
UCHAR Identifier[1]; } STORAGE_IDENTIFIER, *PSTORAGE_IDENTIFIER;
typedef struct _STORAGE_DEVICE_ID_DESCRIPTOR {
ULONG Version;
ULONG Size;
// // The number of identifiers reported by the device. //
ULONG NumberOfIdentifiers;
// // The following field is actually a variable length array of identification // descriptors. Unfortunately there's no C notation for an array of // variable length structures so we're forced to just pretend. //
UCHAR Identifiers[1]; } STORAGE_DEVICE_ID_DESCRIPTOR, *PSTORAGE_DEVICE_ID_DESCRIPTOR;
#pragma warning(push) #pragma warning(disable:4200) typedef struct _STORAGE_MEDIA_SERIAL_NUMBER_DATA {
USHORT Reserved;
// // the SerialNumberLength will be set to zero // if the command is supported and the media // does not have a valid serial number. //
USHORT SerialNumberLength;
// // the following data is binary, and is not guaranteed // to be NULL terminated. this is an excercise for the // caller. //
UCHAR SerialNumber[0];
} STORAGE_MEDIA_SERIAL_NUMBER_DATA, *PSTORAGE_MEDIA_SERIAL_NUMBER_DATA; #pragma warning(push)
// begin_winioctl
#ifdef __cplusplus } #endif
#endif // _NTDDSTOR_H_ // end_winioctl
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