3347 lines
89 KiB
C
3347 lines
89 KiB
C
/*++
|
||
|
||
Copyright (C) Microsoft Corporation, 1991 - 1999
|
||
|
||
Module Name:
|
||
|
||
floppy.c
|
||
|
||
Abstract:
|
||
|
||
SCSI floppy class driver
|
||
|
||
Author:
|
||
|
||
Jeff Havens (jhavens)
|
||
|
||
Environment:
|
||
|
||
kernel mode only
|
||
|
||
Notes:
|
||
|
||
Revision History:
|
||
02/28/96 georgioc Merged this code with code developed by compaq in
|
||
parallel with microsoft, for 120MB floppy support.
|
||
|
||
01/17/96 georgioc Made code PNP aware (uses the new \storage\classpnp/scsiport)
|
||
|
||
--*/
|
||
|
||
#include "stddef.h"
|
||
#include "ntddk.h"
|
||
#include "scsi.h"
|
||
#include "classpnp.h"
|
||
|
||
#include "initguid.h"
|
||
#include "ntddstor.h"
|
||
|
||
#define MODE_DATA_SIZE 192
|
||
#define SCSI_FLOPPY_TIMEOUT 20
|
||
#define SFLOPPY_SRB_LIST_SIZE 4
|
||
//
|
||
// Define all possible drive/media combinations, given drives listed above
|
||
// and media types in ntdddisk.h.
|
||
//
|
||
// These values are used to index the DriveMediaConstants table.
|
||
//
|
||
|
||
#define NUMBER_OF_DRIVE_TYPES 7
|
||
#define DRIVE_TYPE_120M 4 //120MB Floptical
|
||
#define DRIVE_TYPE_NONE NUMBER_OF_DRIVE_TYPES
|
||
|
||
//
|
||
// This array describes all media types we support.
|
||
// It should be arranged in the increasing order of density
|
||
//
|
||
// For a given drive, we list all the mediatypes that will
|
||
// work with that drive. For instance, a 120MB drive will
|
||
// take 720KB media, 1.44MB media, and 120MB media.
|
||
//
|
||
// Note that, DriveMediaConstants given below is grouped
|
||
// as drive and media combination
|
||
//
|
||
typedef enum _DRIVE_MEDIA_TYPE {
|
||
Drive360Media160, // 5.25" 360k drive; 160k media
|
||
Drive360Media180, // 5.25" 360k drive; 180k media
|
||
Drive360Media320, // 5.25" 360k drive; 320k media
|
||
Drive360Media32X, // 5.25" 360k drive; 320k 1k secs
|
||
Drive360Media360, // 5.25" 360k drive; 360k media
|
||
Drive720Media720, // 3.5" 720k drive; 720k media
|
||
Drive120Media160, // 5.25" 1.2Mb drive; 160k media
|
||
Drive120Media180, // 5.25" 1.2Mb drive; 180k media
|
||
Drive120Media320, // 5.25" 1.2Mb drive; 320k media
|
||
Drive120Media32X, // 5.25" 1.2Mb drive; 320k 1k secs
|
||
Drive120Media360, // 5.25" 1.2Mb drive; 360k media
|
||
Drive120Media120, // 5.25" 1.2Mb drive; 1.2Mb media
|
||
Drive144Media720, // 3.5" 1.44Mb drive; 720k media
|
||
Drive144Media144, // 3.5" 1.44Mb drive; 1.44Mb media
|
||
Drive288Media720, // 3.5" 2.88Mb drive; 720k media
|
||
Drive288Media144, // 3.5" 2.88Mb drive; 1.44Mb media
|
||
Drive288Media288, // 3.5" 2.88Mb drive; 2.88Mb media
|
||
Drive2080Media720, // 3.5" 20.8Mb drive; 720k media
|
||
Drive2080Media144, // 3.5" 20.8Mb drive; 1.44Mb media
|
||
Drive2080Media2080, // 3.5" 20.8Mb drive; 20.8Mb media
|
||
Drive32MMedia32M, // 3.5" 32Mb drive; 32MB media
|
||
Drive120MMedia720, // 3.5" 120Mb drive; 720k media
|
||
Drive120MMedia144, // 3.5" 120Mb drive; 1.44Mb media
|
||
Drive120MMedia120M, // 3.5" 120Mb drive; 120Mb media
|
||
Drive240MMedia144M, // 3.5" 240Mb drive; 1.44Mb media
|
||
Drive240MMedia120M, // 3.5" 240Mb drive; 120Mb media
|
||
Drive240MMedia240M // 3.5" 240Mb drive; 240Mb media
|
||
} DRIVE_MEDIA_TYPE;
|
||
|
||
//
|
||
// When we want to determine the media type in a drive, we will first
|
||
// guess that the media with highest possible density is in the drive,
|
||
// and keep trying lower densities until we can successfully read from
|
||
// the drive.
|
||
//
|
||
// These values are used to select a DRIVE_MEDIA_TYPE value.
|
||
//
|
||
// The following table defines ranges that apply to the DRIVE_MEDIA_TYPE
|
||
// enumerated values when trying media types for a particular drive type.
|
||
// Note that for this to work, the DRIVE_MEDIA_TYPE values must be sorted
|
||
// by ascending densities within drive types. Also, for maximum track
|
||
// size to be determined properly, the drive types must be in ascending
|
||
// order.
|
||
//
|
||
|
||
typedef struct _DRIVE_MEDIA_LIMITS {
|
||
DRIVE_MEDIA_TYPE HighestDriveMediaType;
|
||
DRIVE_MEDIA_TYPE LowestDriveMediaType;
|
||
} DRIVE_MEDIA_LIMITS, *PDRIVE_MEDIA_LIMITS;
|
||
|
||
#if 0
|
||
DRIVE_MEDIA_LIMITS DriveMediaLimits[NUMBER_OF_DRIVE_TYPES] = {
|
||
|
||
{ Drive360Media360, Drive360Media160 }, // DRIVE_TYPE_0360
|
||
{ Drive120Media120, Drive120Media160 }, // DRIVE_TYPE_1200
|
||
{ Drive720Media720, Drive720Media720 }, // DRIVE_TYPE_0720
|
||
{ Drive144Media144, Drive144Media720 }, // DRIVE_TYPE_1440
|
||
{ Drive288Media288, Drive288Media720 }, // DRIVE_TYPE_2880
|
||
{ Drive2080Media2080, Drive2080Media720 }
|
||
};
|
||
#else
|
||
DRIVE_MEDIA_LIMITS DriveMediaLimits[NUMBER_OF_DRIVE_TYPES] = {
|
||
|
||
{ Drive720Media720, Drive720Media720 }, // DRIVE_TYPE_0720
|
||
{ Drive144Media144, Drive144Media720}, // DRIVE_TYPE_1440
|
||
{ Drive288Media288, Drive288Media720}, // DRIVE_TYPE_2880
|
||
{ Drive2080Media2080, Drive2080Media720 },
|
||
{ Drive32MMedia32M, Drive32MMedia32M }, // DRIVE_TYPE_32M
|
||
{ Drive120MMedia120M, Drive120MMedia720 }, // DRIVE_TYPE_120M
|
||
{ Drive240MMedia240M, Drive240MMedia144M } // DRIVE_TYPE_240M
|
||
};
|
||
|
||
#endif
|
||
//
|
||
// For each drive/media combination, define important constants.
|
||
//
|
||
|
||
typedef struct _DRIVE_MEDIA_CONSTANTS {
|
||
MEDIA_TYPE MediaType;
|
||
USHORT BytesPerSector;
|
||
UCHAR SectorsPerTrack;
|
||
USHORT MaximumTrack;
|
||
UCHAR NumberOfHeads;
|
||
} DRIVE_MEDIA_CONSTANTS, *PDRIVE_MEDIA_CONSTANTS;
|
||
|
||
//
|
||
// Magic value to add to the SectorLengthCode to use it as a shift value
|
||
// to determine the sector size.
|
||
//
|
||
|
||
#define SECTORLENGTHCODE_TO_BYTESHIFT 7
|
||
|
||
//
|
||
// The following values were gleaned from many different sources, which
|
||
// often disagreed with each other. Where numbers were in conflict, I
|
||
// chose the more conservative or most-often-selected value.
|
||
//
|
||
|
||
DRIVE_MEDIA_CONSTANTS DriveMediaConstants[] =
|
||
{
|
||
|
||
{ F5_160_512, 0x200, 0x08, 0x27, 0x1 },
|
||
{ F5_180_512, 0x200, 0x09, 0x27, 0x1 },
|
||
{ F5_320_1024, 0x400, 0x04, 0x27, 0x2 },
|
||
{ F5_320_512, 0x200, 0x08, 0x27, 0x2 },
|
||
{ F5_360_512, 0x200, 0x09, 0x27, 0x2 },
|
||
|
||
{ F3_720_512, 0x200, 0x09, 0x4f, 0x2 },
|
||
|
||
{ F5_160_512, 0x200, 0x08, 0x27, 0x1 },
|
||
{ F5_180_512, 0x200, 0x09, 0x27, 0x1 },
|
||
{ F5_320_1024, 0x400, 0x04, 0x27, 0x2 },
|
||
{ F5_320_512, 0x200, 0x08, 0x27, 0x2 },
|
||
{ F5_360_512, 0x200, 0x09, 0x27, 0x2 },
|
||
{ F5_1Pt2_512, 0x200, 0x0f, 0x4f, 0x2 },
|
||
|
||
{ F3_720_512, 0x200, 0x09, 0x4f, 0x2 },
|
||
{ F3_1Pt44_512, 0x200, 0x12, 0x4f, 0x2 },
|
||
|
||
{ F3_720_512, 0x200, 0x09, 0x4f, 0x2 },
|
||
{ F3_1Pt44_512, 0x200, 0x12, 0x4f, 0x2 },
|
||
{ F3_2Pt88_512, 0x200, 0x24, 0x4f, 0x2 },
|
||
|
||
{ F3_720_512, 0x200, 0x09, 0x4f, 0x2 },
|
||
{ F3_1Pt44_512, 0x200, 0x12, 0x4f, 0x2 },
|
||
{ F3_20Pt8_512, 0x200, 0x1b, 0xfa, 0x6 },
|
||
|
||
{ F3_32M_512, 0x200, 0x20, 0x3ff,0x2},
|
||
|
||
{ F3_720_512, 0x200, 0x09, 0x4f, 0x2 },
|
||
{ F3_1Pt44_512, 0x200, 0x12, 0x4f, 0x2 },
|
||
{ F3_120M_512, 0x200, 0x20, 0x3c2,0x8 },
|
||
|
||
{ F3_1Pt44_512, 0x200, 0x12, 0x4f, 0x2 },
|
||
{ F3_120M_512, 0x200, 0x20, 0x3c2,0x8 },
|
||
{ F3_240M_512, 0x200, 0x38, 0x105,0x20}
|
||
};
|
||
|
||
|
||
#define NUMBER_OF_DRIVE_MEDIA_COMBINATIONS sizeof(DriveMediaConstants)/sizeof(DRIVE_MEDIA_CONSTANTS)
|
||
|
||
//
|
||
// floppy device data
|
||
//
|
||
|
||
typedef struct _DISK_DATA {
|
||
ULONG DriveType;
|
||
BOOLEAN IsDMF;
|
||
// BOOLEAN EnableDMF;
|
||
UNICODE_STRING FloppyInterfaceString;
|
||
} DISK_DATA, *PDISK_DATA;
|
||
|
||
//
|
||
// The FloppyCapacities and FloppyGeometries arrays are used by the
|
||
// USBFlopGetMediaTypes() and USBFlopFormatTracks() routines.
|
||
|
||
// The FloppyCapacities and FloppyGeometries arrays must be kept in 1:1 sync,
|
||
// i.e. each FloppyGeometries[i] must correspond to each FloppyCapacities[i].
|
||
|
||
// Also, the arrays must be kept in sorted ascending order so that they
|
||
// are returned in sorted ascending order by IOCTL_DISK_GET_MEDIA_TYPES.
|
||
//
|
||
|
||
typedef struct _FORMATTED_CAPACITY
|
||
{
|
||
ULONG NumberOfBlocks;
|
||
|
||
ULONG BlockLength;
|
||
|
||
BOOLEAN CanFormat; // return for IOCTL_DISK_GET_MEDIA_TYPES ?
|
||
|
||
} FORMATTED_CAPACITY, *PFORMATTED_CAPACITY;
|
||
|
||
|
||
FORMATTED_CAPACITY FloppyCapacities[] =
|
||
{
|
||
// Blocks BlockLen CanFormat H T B/S S/T
|
||
{0x000500, 0x0200, TRUE}, // 2 80 512 8 640 KB F5_640_512
|
||
{0x0005A0, 0x0200, TRUE}, // 2 80 512 9 720 KB F3_720_512
|
||
{0x000960, 0x0200, TRUE}, // 2 80 512 15 1.20 MB F3_1Pt2_512 (Toshiba)
|
||
{0x0004D0, 0x0400, TRUE}, // 2 77 1024 8 1.23 MB F3_1Pt23_1024 (NEC)
|
||
{0x000B40, 0x0200, TRUE}, // 2 80 512 18 1.44 MB F3_1Pt44_512
|
||
{0x000D20, 0x0200, FALSE}, // 2 80 512 21 1.70 MB DMF
|
||
{0x03C300, 0x0200, TRUE}, // 8 963 512 32 120 MB F3_120M_512
|
||
{0x0600A4, 0x0200, TRUE}, // 13 890 512 34 200 MB F3_200Mb_512 (HiFD)
|
||
{0x072A00, 0x0200, TRUE}, // 32 262 512 56 240 MB F3_240M_512
|
||
{0x010000, 0x0200, FALSE} // 2 1024 512 32 32 MB F3_32M_512
|
||
};
|
||
|
||
DISK_GEOMETRY FloppyGeometries[] =
|
||
{
|
||
// Cyl MediaType Trk/Cyl Sec/Trk Bytes/Sec
|
||
{{80,0}, F5_640_512, 2, 8, 512},
|
||
{{80,0}, F3_720_512, 2, 9, 512},
|
||
{{80,0}, F3_1Pt2_512, 2, 15, 512},
|
||
{{77,0}, F3_1Pt23_1024, 2, 8, 1024},
|
||
{{80,0}, F3_1Pt44_512, 2, 18, 512},
|
||
{{80,0}, F3_1Pt44_512, 2, 21, 512}, // DMF -> F3_1Pt44_512
|
||
{{963,0}, F3_120M_512, 8, 32, 512},
|
||
{{890,0}, F3_200Mb_512, 13, 34, 512},
|
||
{{262,0}, F3_240M_512, 32, 56, 512},
|
||
{{1024,0}, F3_32M_512, 2, 32, 512}
|
||
};
|
||
|
||
#define FLOPPY_CAPACITIES (sizeof(FloppyCapacities)/sizeof(FloppyCapacities[0]))
|
||
|
||
C_ASSERT((sizeof(FloppyGeometries)/sizeof(FloppyGeometries[0])) == FLOPPY_CAPACITIES);
|
||
|
||
//
|
||
// The following structures are used by USBFlopFormatTracks()
|
||
//
|
||
|
||
#pragma pack (push, 1)
|
||
|
||
typedef struct _CDB12FORMAT
|
||
{
|
||
UCHAR OperationCode;
|
||
UCHAR DefectListFormat : 3;
|
||
UCHAR CmpList : 1;
|
||
UCHAR FmtData : 1;
|
||
UCHAR LogicalUnitNumber : 3;
|
||
UCHAR TrackNumber;
|
||
UCHAR InterleaveMsb;
|
||
UCHAR InterleaveLsb;
|
||
UCHAR Reserved1[2];
|
||
UCHAR ParameterListLengthMsb;
|
||
UCHAR ParameterListLengthLsb;
|
||
UCHAR Reserved2[3];
|
||
} CDB12FORMAT, *PCDB12FORMAT;
|
||
|
||
|
||
typedef struct _DEFECT_LIST_HEADER
|
||
{
|
||
UCHAR Reserved1;
|
||
UCHAR Side : 1;
|
||
UCHAR Immediate : 1;
|
||
UCHAR Reserved2 : 2;
|
||
UCHAR SingleTrack : 1;
|
||
UCHAR DisableCert : 1;
|
||
UCHAR Reserved3 : 1;
|
||
UCHAR FormatOptionsValid : 1;
|
||
UCHAR DefectListLengthMsb;
|
||
UCHAR DefectListLengthLsb;
|
||
} DEFECT_LIST_HEADER, *PDEFECT_LIST_HEADER;
|
||
|
||
typedef struct _FORMAT_UNIT_PARAMETER_LIST
|
||
{
|
||
DEFECT_LIST_HEADER DefectListHeader;
|
||
FORMATTED_CAPACITY_DESCRIPTOR FormatDescriptor;
|
||
} FORMAT_UNIT_PARAMETER_LIST, *PFORMAT_UNIT_PARAMETER_LIST;
|
||
|
||
#pragma pack (pop)
|
||
|
||
|
||
|
||
NTSTATUS
|
||
DriverEntry(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PUNICODE_STRING RegistryPath
|
||
);
|
||
|
||
VOID
|
||
ScsiFlopUnload(
|
||
IN PDRIVER_OBJECT DriverObject
|
||
);
|
||
|
||
NTSTATUS
|
||
ScsiFlopAddDevice (
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PDEVICE_OBJECT Pdo
|
||
);
|
||
|
||
NTSTATUS
|
||
ScsiFlopInitDevice(
|
||
IN PDEVICE_OBJECT Fdo
|
||
);
|
||
|
||
NTSTATUS
|
||
ScsiFlopStartDevice(
|
||
IN PDEVICE_OBJECT Fdo
|
||
);
|
||
|
||
NTSTATUS
|
||
ScsiFlopRemoveDevice(
|
||
IN PDEVICE_OBJECT Fdo,
|
||
IN UCHAR Type
|
||
);
|
||
|
||
NTSTATUS
|
||
ScsiFlopStopDevice(
|
||
IN PDEVICE_OBJECT Fdo,
|
||
IN UCHAR Type
|
||
);
|
||
|
||
BOOLEAN
|
||
FindScsiFlops(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PUNICODE_STRING RegistryPath,
|
||
IN PCLASS_INIT_DATA InitializationData,
|
||
IN PDEVICE_OBJECT PortDeviceObject,
|
||
IN ULONG PortNumber
|
||
);
|
||
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopReadWriteVerification(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
);
|
||
|
||
NTSTATUS
|
||
ScsiFlopDeviceControl(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
);
|
||
|
||
BOOLEAN
|
||
IsFloppyDevice(
|
||
PDEVICE_OBJECT DeviceObject
|
||
);
|
||
|
||
NTSTATUS
|
||
CreateFlopDeviceObject(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PDEVICE_OBJECT PortDeviceObject,
|
||
IN ULONG DeviceCount
|
||
);
|
||
|
||
NTSTATUS
|
||
DetermineMediaType(
|
||
PDEVICE_OBJECT DeviceObject
|
||
);
|
||
|
||
ULONG
|
||
DetermineDriveType(
|
||
PDEVICE_OBJECT DeviceObject
|
||
);
|
||
|
||
BOOLEAN
|
||
FlCheckFormatParameters(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PFORMAT_PARAMETERS FormatParameters
|
||
);
|
||
|
||
NTSTATUS
|
||
FormatMedia(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
MEDIA_TYPE MediaType
|
||
);
|
||
|
||
NTSTATUS
|
||
FlopticalFormatMedia(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PFORMAT_PARAMETERS Format
|
||
);
|
||
|
||
VOID
|
||
ScsiFlopProcessError(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PSCSI_REQUEST_BLOCK Srb,
|
||
NTSTATUS *Status,
|
||
BOOLEAN *Retry
|
||
);
|
||
|
||
LONG
|
||
SFlopStringCmp (
|
||
PCHAR FirstStr,
|
||
PCHAR SecondStr,
|
||
ULONG Count
|
||
);
|
||
|
||
NTSTATUS
|
||
USBFlopGetMediaTypes(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
);
|
||
|
||
NTSTATUS
|
||
USBFlopFormatTracks(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
);
|
||
|
||
#ifdef ALLOC_PRAGMA
|
||
#pragma alloc_text(INIT, DriverEntry)
|
||
|
||
#pragma alloc_text(PAGE, ScsiFlopUnload)
|
||
#pragma alloc_text(PAGE, ScsiFlopAddDevice)
|
||
#pragma alloc_text(PAGE, CreateFlopDeviceObject)
|
||
#pragma alloc_text(PAGE, ScsiFlopStartDevice)
|
||
#pragma alloc_text(PAGE, IsFloppyDevice)
|
||
#pragma alloc_text(PAGE, SFlopStringCmp)
|
||
#pragma alloc_text(PAGE, DetermineMediaType)
|
||
#pragma alloc_text(PAGE, DetermineDriveType)
|
||
#pragma alloc_text(PAGE, FlCheckFormatParameters)
|
||
#pragma alloc_text(PAGE, FormatMedia)
|
||
#pragma alloc_text(PAGE, FlopticalFormatMedia)
|
||
#pragma alloc_text(PAGE, USBFlopGetMediaTypes)
|
||
#pragma alloc_text(PAGE, USBFlopFormatTracks)
|
||
|
||
#endif
|
||
|
||
|
||
NTSTATUS
|
||
DriverEntry(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PUNICODE_STRING RegistryPath
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This is the system initialization routine for installable drivers.
|
||
It calls the SCSI class driver initialization routine.
|
||
|
||
Arguments:
|
||
|
||
DriverObject - Pointer to driver object created by system.
|
||
|
||
Return Value:
|
||
|
||
NTSTATUS
|
||
|
||
--*/
|
||
|
||
{
|
||
CLASS_INIT_DATA InitializationData;
|
||
|
||
//
|
||
// Zero InitData
|
||
//
|
||
|
||
RtlZeroMemory (&InitializationData, sizeof(CLASS_INIT_DATA));
|
||
|
||
//
|
||
// Set sizes
|
||
//
|
||
|
||
InitializationData.InitializationDataSize = sizeof(CLASS_INIT_DATA);
|
||
InitializationData.FdoData.DeviceExtensionSize =
|
||
sizeof(FUNCTIONAL_DEVICE_EXTENSION) + sizeof(DISK_DATA);
|
||
|
||
InitializationData.FdoData.DeviceType = FILE_DEVICE_DISK;
|
||
InitializationData.FdoData.DeviceCharacteristics = FILE_REMOVABLE_MEDIA | FILE_FLOPPY_DISKETTE;
|
||
|
||
//
|
||
// Set entry points
|
||
//
|
||
|
||
InitializationData.FdoData.ClassInitDevice = ScsiFlopInitDevice;
|
||
InitializationData.FdoData.ClassStartDevice = ScsiFlopStartDevice;
|
||
InitializationData.FdoData.ClassStopDevice = ScsiFlopStopDevice;
|
||
InitializationData.FdoData.ClassRemoveDevice = ScsiFlopRemoveDevice;
|
||
|
||
InitializationData.FdoData.ClassReadWriteVerification = ScsiFlopReadWriteVerification;
|
||
InitializationData.FdoData.ClassDeviceControl = ScsiFlopDeviceControl;
|
||
|
||
InitializationData.FdoData.ClassShutdownFlush = NULL;
|
||
InitializationData.FdoData.ClassCreateClose = NULL;
|
||
InitializationData.FdoData.ClassError = ScsiFlopProcessError;
|
||
InitializationData.ClassStartIo = NULL;
|
||
|
||
InitializationData.ClassAddDevice = ScsiFlopAddDevice;
|
||
InitializationData.ClassUnload = ScsiFlopUnload;
|
||
//
|
||
// Call the class init routine
|
||
//
|
||
|
||
return ClassInitialize( DriverObject, RegistryPath, &InitializationData);
|
||
|
||
|
||
} // end DriverEntry()
|
||
|
||
VOID
|
||
ScsiFlopUnload(
|
||
IN PDRIVER_OBJECT DriverObject
|
||
)
|
||
{
|
||
PAGED_CODE();
|
||
UNREFERENCED_PARAMETER(DriverObject);
|
||
return;
|
||
}
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopAddDevice (
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PDEVICE_OBJECT Pdo
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine creates and initializes a new FDO for the corresponding
|
||
PDO. It may perform property queries on the FDO but cannot do any
|
||
media access operations.
|
||
|
||
Arguments:
|
||
|
||
DriverObject - Scsiscan class driver object.
|
||
|
||
Pdo - the physical device object we are being added to
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
|
||
PCONFIGURATION_INFORMATION configurationInformation;
|
||
|
||
NTSTATUS status;
|
||
ULONG floppyCount = IoGetConfigurationInformation()->FloppyCount;
|
||
|
||
//
|
||
// Get the number of disks already initialized.
|
||
//
|
||
|
||
status = CreateFlopDeviceObject(DriverObject, Pdo, floppyCount);
|
||
|
||
if (NT_SUCCESS(status)) {
|
||
|
||
//
|
||
// Increment system floppy device count.
|
||
//
|
||
|
||
IoGetConfigurationInformation()->FloppyCount++;
|
||
}
|
||
|
||
return status;
|
||
}
|
||
|
||
|
||
|
||
NTSTATUS
|
||
CreateFlopDeviceObject(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PDEVICE_OBJECT Pdo,
|
||
IN ULONG DeviceCount
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine creates an object for the device and then calls the
|
||
SCSI port driver for media capacity and sector size.
|
||
|
||
Arguments:
|
||
|
||
DriverObject - Pointer to driver object created by system.
|
||
PortDeviceObject - to connect to SCSI port driver.
|
||
DeviceCount - Number of previously installed Floppys.
|
||
AdapterDescriptor - Pointer to structure returned by SCSI port
|
||
driver describing adapter capabilites (and limitations).
|
||
DeviceDescriptor - Pointer to configuration information for this device.
|
||
|
||
Return Value:
|
||
|
||
--*/
|
||
{
|
||
NTSTATUS status;
|
||
PDEVICE_OBJECT deviceObject;
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = NULL;
|
||
|
||
PDISK_DATA diskData;
|
||
PVOID senseData;
|
||
|
||
BOOLEAN freeDevice = TRUE;
|
||
|
||
|
||
DebugPrint((3,"CreateFlopDeviceObject: Enter routine\n"));
|
||
|
||
//
|
||
// Try to claim the device.
|
||
//
|
||
|
||
status = ClassClaimDevice(Pdo,FALSE);
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
return(status);
|
||
}
|
||
|
||
DeviceCount--;
|
||
|
||
do {
|
||
UCHAR name[256];
|
||
|
||
//
|
||
// Create device object for this device.
|
||
//
|
||
|
||
DeviceCount++;
|
||
|
||
sprintf(name, "\\Device\\Floppy%d", DeviceCount);
|
||
|
||
status = ClassCreateDeviceObject(DriverObject,
|
||
name,
|
||
Pdo,
|
||
TRUE,
|
||
&deviceObject);
|
||
|
||
} while ((status == STATUS_OBJECT_NAME_COLLISION) ||
|
||
(status == STATUS_OBJECT_NAME_EXISTS));
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
DebugPrint((1,"CreateFlopDeviceObjects: Can not create device\n"));
|
||
goto CreateFlopDeviceObjectExit;
|
||
}
|
||
|
||
//
|
||
// Indicate that IRPs should include MDLs.
|
||
//
|
||
|
||
deviceObject->Flags |= DO_DIRECT_IO;
|
||
|
||
fdoExtension = deviceObject->DeviceExtension;
|
||
|
||
//
|
||
// Back pointer to device object.
|
||
//
|
||
|
||
fdoExtension->CommonExtension.DeviceObject = deviceObject;
|
||
|
||
//
|
||
// This is the physical device.
|
||
//
|
||
|
||
fdoExtension->CommonExtension.PartitionZeroExtension = fdoExtension;
|
||
|
||
//
|
||
// Reset the drive type.
|
||
//
|
||
|
||
diskData = (PDISK_DATA) fdoExtension->CommonExtension.DriverData;
|
||
diskData->DriveType = DRIVE_TYPE_NONE;
|
||
diskData->IsDMF = FALSE;
|
||
// diskData->EnableDMF = TRUE;
|
||
|
||
//
|
||
// Initialize lock count to zero. The lock count is used to
|
||
// disable the ejection mechanism when media is mounted.
|
||
//
|
||
|
||
fdoExtension->LockCount = 0;
|
||
|
||
//
|
||
// Save system floppy number
|
||
//
|
||
|
||
fdoExtension->DeviceNumber = DeviceCount;
|
||
|
||
//
|
||
// Set the alignment requirements for the device based on the
|
||
// host adapter requirements
|
||
//
|
||
|
||
if (Pdo->AlignmentRequirement > deviceObject->AlignmentRequirement) {
|
||
deviceObject->AlignmentRequirement = Pdo->AlignmentRequirement;
|
||
}
|
||
|
||
//
|
||
// Clear the SrbFlags and disable synchronous transfers
|
||
//
|
||
|
||
fdoExtension->SrbFlags = SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
|
||
|
||
//
|
||
// Finally, attach to the PDO
|
||
//
|
||
|
||
fdoExtension->LowerPdo = Pdo;
|
||
|
||
fdoExtension->CommonExtension.LowerDeviceObject =
|
||
IoAttachDeviceToDeviceStack(deviceObject, Pdo);
|
||
|
||
if(fdoExtension->CommonExtension.LowerDeviceObject == NULL) {
|
||
|
||
status = STATUS_UNSUCCESSFUL;
|
||
goto CreateFlopDeviceObjectExit;
|
||
}
|
||
|
||
deviceObject->StackSize++;
|
||
|
||
//
|
||
// The device is initialized properly - mark it as such.
|
||
//
|
||
|
||
deviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
|
||
|
||
return STATUS_SUCCESS;
|
||
|
||
CreateFlopDeviceObjectExit:
|
||
|
||
if (deviceObject != NULL) {
|
||
IoDeleteDevice(deviceObject);
|
||
}
|
||
|
||
return status;
|
||
|
||
} // end CreateFlopDeviceObject()
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopInitDevice(
|
||
IN PDEVICE_OBJECT Fdo
|
||
)
|
||
{
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = Fdo->DeviceExtension;
|
||
PCOMMON_DEVICE_EXTENSION commonExtension = Fdo->DeviceExtension;
|
||
PDISK_DATA diskData = commonExtension->DriverData;
|
||
|
||
PVOID senseData = NULL;
|
||
ULONG timeOut;
|
||
BOOLEAN srbListInitialized = FALSE;
|
||
|
||
NTSTATUS status = STATUS_SUCCESS;
|
||
|
||
//
|
||
// Allocate request sense buffer.
|
||
//
|
||
|
||
senseData = ExAllocatePool(NonPagedPoolCacheAligned, SENSE_BUFFER_SIZE);
|
||
|
||
if (senseData == NULL) {
|
||
|
||
//
|
||
// The buffer cannot be allocated.
|
||
//
|
||
|
||
status = STATUS_INSUFFICIENT_RESOURCES;
|
||
return status;
|
||
}
|
||
|
||
//
|
||
// Set the sense data pointer in the device extension.
|
||
//
|
||
|
||
fdoExtension->SenseData = senseData;
|
||
|
||
//
|
||
// Build the lookaside list for srb's for this device.
|
||
//
|
||
|
||
ClassInitializeSrbLookasideList((PCOMMON_DEVICE_EXTENSION)fdoExtension,
|
||
SFLOPPY_SRB_LIST_SIZE);
|
||
|
||
srbListInitialized = TRUE;
|
||
|
||
//
|
||
// Register for media change notification
|
||
//
|
||
ClassInitializeMediaChangeDetection(fdoExtension,
|
||
"SFloppy");
|
||
|
||
//
|
||
// Set timeout value in seconds.
|
||
//
|
||
|
||
timeOut = ClassQueryTimeOutRegistryValue(Fdo);
|
||
if (timeOut) {
|
||
fdoExtension->TimeOutValue = timeOut;
|
||
} else {
|
||
fdoExtension->TimeOutValue = SCSI_FLOPPY_TIMEOUT;
|
||
}
|
||
|
||
//
|
||
// Floppies are not partitionable so starting offset is 0.
|
||
//
|
||
|
||
fdoExtension->CommonExtension.StartingOffset.QuadPart = (LONGLONG)0;
|
||
|
||
#if 0
|
||
if (!IsFloppyDevice(Fdo) ||
|
||
!(Fdo->Characteristics & FILE_REMOVABLE_MEDIA) ||
|
||
(fdoExtension->DeviceDescriptor->DeviceType != DIRECT_ACCESS_DEVICE)) {
|
||
|
||
ExFreePool(senseData);
|
||
status = STATUS_NO_SUCH_DEVICE;
|
||
return status;
|
||
}
|
||
#endif
|
||
|
||
RtlZeroMemory(&(fdoExtension->DiskGeometry),
|
||
sizeof(DISK_GEOMETRY));
|
||
|
||
//
|
||
// Determine the media type if possible. Set the current media type to
|
||
// Unknown so that determine media type will check the media.
|
||
//
|
||
|
||
fdoExtension->DiskGeometry.MediaType = Unknown;
|
||
|
||
#if 0
|
||
{
|
||
PUCHAR vendorId;
|
||
UCHAR vendorString[6] = {'I','N','S','I','T','E'};
|
||
|
||
vendorId = (PUCHAR)fdoExtension->DeviceDescriptor +
|
||
fdoExtension->DeviceDescriptor->VendorIdOffset;
|
||
if (!SFlopStringCmp(vendorId,vendorString,6)) {
|
||
diskData->EnableDMF = FALSE;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
//
|
||
// Register interfaces for this device.
|
||
//
|
||
|
||
{
|
||
PDISK_DATA diskData = (PDISK_DATA) commonExtension->DriverData;
|
||
UNICODE_STRING interfaceName;
|
||
|
||
RtlInitUnicodeString(&interfaceName, NULL);
|
||
|
||
status = IoRegisterDeviceInterface(fdoExtension->LowerPdo,
|
||
(LPGUID) &FloppyClassGuid,
|
||
NULL,
|
||
&interfaceName);
|
||
|
||
if(NT_SUCCESS(status)) {
|
||
diskData->FloppyInterfaceString = interfaceName;
|
||
} else {
|
||
RtlInitUnicodeString(&(diskData->FloppyInterfaceString), NULL);
|
||
DebugPrint((1, "ScsiFlopStartDevice: Unable to register device "
|
||
"interface for fdo %#p [%#08lx]\n",
|
||
Fdo, status));
|
||
}
|
||
}
|
||
|
||
return (STATUS_SUCCESS);
|
||
}
|
||
|
||
NTSTATUS
|
||
ScsiFlopStartDevice(
|
||
IN PDEVICE_OBJECT Fdo
|
||
)
|
||
{
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = Fdo->DeviceExtension;
|
||
PCOMMON_DEVICE_EXTENSION commonExtension = Fdo->DeviceExtension;
|
||
|
||
PIRP irp;
|
||
IO_STATUS_BLOCK ioStatus;
|
||
|
||
SCSI_ADDRESS scsiAddress;
|
||
|
||
WCHAR ntNameBuffer[256];
|
||
UNICODE_STRING ntUnicodeString;
|
||
|
||
WCHAR arcNameBuffer[256];
|
||
UNICODE_STRING arcUnicodeString;
|
||
|
||
KEVENT event;
|
||
|
||
NTSTATUS status = STATUS_SUCCESS;
|
||
|
||
KeInitializeEvent(&event,SynchronizationEvent,FALSE);
|
||
|
||
DetermineMediaType(Fdo); // ignore unsuccessful here
|
||
|
||
//
|
||
// Create a symbolic link from the disk name to the corresponding
|
||
// ARC name, to be used if we're booting off the disk. This will
|
||
// fail if it's not system initialization time; that's fine. The
|
||
// ARC name looks something like \ArcName\scsi(0)Flop(0)fdisk(0).
|
||
// In order to get the address, we need to send a IOCTL_SCSI_GET_ADDRESS...
|
||
//
|
||
|
||
irp = IoBuildDeviceIoControlRequest(IOCTL_SCSI_GET_ADDRESS,
|
||
Fdo,
|
||
NULL,
|
||
0,
|
||
&scsiAddress,
|
||
sizeof(scsiAddress),
|
||
FALSE,
|
||
&event,
|
||
&ioStatus);
|
||
|
||
if (irp == NULL) {
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
status = IoCallDriver(fdoExtension->CommonExtension.LowerDeviceObject, irp);
|
||
|
||
if (status == STATUS_PENDING) {
|
||
KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
|
||
status = ioStatus.Status;
|
||
}
|
||
|
||
swprintf(arcNameBuffer,
|
||
L"\\ArcName\\scsi(%d)disk(%d)fdisk(%d)",
|
||
scsiAddress.PortNumber,
|
||
scsiAddress.TargetId,
|
||
scsiAddress.Lun);
|
||
|
||
RtlInitUnicodeString(&arcUnicodeString, arcNameBuffer);
|
||
|
||
//
|
||
// Create device object for this device.
|
||
//
|
||
|
||
swprintf(ntNameBuffer,L"\\Device\\Floppy%d",fdoExtension->DeviceNumber);
|
||
|
||
//
|
||
// Create local copy of unicode string
|
||
//
|
||
RtlInitUnicodeString(&ntUnicodeString,ntNameBuffer);
|
||
|
||
IoAssignArcName(&arcUnicodeString, &ntUnicodeString);
|
||
|
||
//
|
||
// Create the multi() arc name -- Create the "fake"
|
||
// name of multi(0)disk(0)fdisk(#) to handle the case where the
|
||
// SCSI floppy is the only floppy in the system. If this fails
|
||
// it doesn't matter because the previous scsi() based ArcName
|
||
// will work. This name is necessary for installation.
|
||
//
|
||
|
||
swprintf(arcNameBuffer, L"\\ArcName\\multi(%d)disk(%d)fdisk(%d)",
|
||
0,
|
||
0,
|
||
fdoExtension->DeviceNumber);
|
||
|
||
RtlInitUnicodeString(&arcUnicodeString, arcNameBuffer);
|
||
|
||
IoAssignArcName(&arcUnicodeString, &ntUnicodeString);
|
||
|
||
//
|
||
// Set our interface state.
|
||
//
|
||
|
||
{
|
||
PDISK_DATA diskData = commonExtension->DriverData;
|
||
|
||
if(diskData->FloppyInterfaceString.Buffer != NULL) {
|
||
|
||
status = IoSetDeviceInterfaceState(
|
||
&(diskData->FloppyInterfaceString),
|
||
TRUE);
|
||
|
||
#if DBG
|
||
if(!NT_SUCCESS(status)) {
|
||
DebugPrint((1, "ScsiFlopStartDevice: Unable to set device "
|
||
"interface state to TRUE for fdo %#p "
|
||
"[%#08lx]\n",
|
||
Fdo, status));
|
||
}
|
||
#endif
|
||
}
|
||
}
|
||
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopReadWriteVerification(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
Arguments:
|
||
|
||
Return Value:
|
||
|
||
NT Status
|
||
|
||
--*/
|
||
|
||
{
|
||
return STATUS_SUCCESS;
|
||
} // end ScsiFlopReadWriteVerification()
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopDeviceControl(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PIRP Irp
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
Arguments:
|
||
|
||
Return Value:
|
||
|
||
Status is returned.
|
||
|
||
--*/
|
||
|
||
{
|
||
KIRQL currentIrql;
|
||
PIO_STACK_LOCATION irpStack = IoGetCurrentIrpStackLocation(Irp);
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = DeviceObject->DeviceExtension;
|
||
PSCSI_REQUEST_BLOCK srb;
|
||
PCDB cdb;
|
||
NTSTATUS status;
|
||
PDISK_GEOMETRY outputBuffer;
|
||
ULONG outputBufferLength;
|
||
ULONG i;
|
||
DRIVE_MEDIA_TYPE lowestDriveMediaType;
|
||
DRIVE_MEDIA_TYPE highestDriveMediaType;
|
||
PFORMAT_PARAMETERS formatParameters;
|
||
PMODE_PARAMETER_HEADER modeData;
|
||
ULONG length;
|
||
|
||
srb = ExAllocatePool(NonPagedPool, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
if (srb == NULL) {
|
||
|
||
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
|
||
if (IoIsErrorUserInduced(STATUS_INSUFFICIENT_RESOURCES)) {
|
||
|
||
IoSetHardErrorOrVerifyDevice(Irp, DeviceObject);
|
||
}
|
||
|
||
KeRaiseIrql(DISPATCH_LEVEL, ¤tIrql);
|
||
ClassReleaseRemoveLock(DeviceObject, Irp);
|
||
ClassCompleteRequest(DeviceObject, Irp, 0);
|
||
KeLowerIrql(currentIrql);
|
||
|
||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||
}
|
||
|
||
//
|
||
// Write zeros to Srb.
|
||
//
|
||
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
cdb = (PCDB)srb->Cdb;
|
||
|
||
switch (irpStack->Parameters.DeviceIoControl.IoControlCode) {
|
||
|
||
|
||
case IOCTL_DISK_VERIFY: {
|
||
|
||
PVERIFY_INFORMATION verifyInfo = Irp->AssociatedIrp.SystemBuffer;
|
||
LARGE_INTEGER byteOffset;
|
||
ULONG sectorOffset;
|
||
USHORT sectorCount;
|
||
|
||
//
|
||
// Validate buffer length.
|
||
//
|
||
|
||
if (irpStack->Parameters.DeviceIoControl.InputBufferLength <
|
||
sizeof(VERIFY_INFORMATION)) {
|
||
|
||
status = STATUS_INFO_LENGTH_MISMATCH;
|
||
break;
|
||
}
|
||
|
||
//
|
||
// Verify sectors
|
||
//
|
||
|
||
srb->CdbLength = 10;
|
||
|
||
cdb->CDB10.OperationCode = SCSIOP_VERIFY;
|
||
|
||
//
|
||
// Add disk offset to starting sector.
|
||
//
|
||
|
||
byteOffset.QuadPart = fdoExtension->CommonExtension.StartingOffset.QuadPart +
|
||
verifyInfo->StartingOffset.QuadPart;
|
||
|
||
//
|
||
// Convert byte offset to sector offset.
|
||
//
|
||
|
||
sectorOffset = (ULONG)(byteOffset.QuadPart >> fdoExtension->SectorShift);
|
||
|
||
//
|
||
// Convert ULONG byte count to USHORT sector count.
|
||
//
|
||
|
||
sectorCount = (USHORT)(verifyInfo->Length >> fdoExtension->SectorShift);
|
||
|
||
//
|
||
// Move little endian values into CDB in big endian format.
|
||
//
|
||
|
||
cdb->CDB10.LogicalBlockByte0 = ((PFOUR_BYTE)§orOffset)->Byte3;
|
||
cdb->CDB10.LogicalBlockByte1 = ((PFOUR_BYTE)§orOffset)->Byte2;
|
||
cdb->CDB10.LogicalBlockByte2 = ((PFOUR_BYTE)§orOffset)->Byte1;
|
||
cdb->CDB10.LogicalBlockByte3 = ((PFOUR_BYTE)§orOffset)->Byte0;
|
||
|
||
cdb->CDB10.TransferBlocksMsb = ((PFOUR_BYTE)§orCount)->Byte1;
|
||
cdb->CDB10.TransferBlocksLsb = ((PFOUR_BYTE)§orCount)->Byte0;
|
||
|
||
//
|
||
// The verify command is used by the NT FORMAT utility and
|
||
// requests are sent down for 5% of the volume size. The
|
||
// request timeout value is calculated based on the number of
|
||
// sectors verified.
|
||
//
|
||
|
||
srb->TimeOutValue = ((sectorCount + 0x7F) >> 7) *
|
||
fdoExtension->TimeOutValue;
|
||
|
||
status = ClassSendSrbAsynchronous(DeviceObject,
|
||
srb,
|
||
Irp,
|
||
NULL,
|
||
0,
|
||
FALSE);
|
||
return(status);
|
||
|
||
}
|
||
|
||
case IOCTL_DISK_GET_PARTITION_INFO: {
|
||
|
||
if (fdoExtension->AdapterDescriptor->BusType == BusTypeUsb) {
|
||
|
||
status = USBFlopGetMediaTypes(DeviceObject, NULL);
|
||
|
||
// Don't need to propagate any error if one occurs
|
||
//
|
||
status = STATUS_SUCCESS;
|
||
|
||
} else {
|
||
|
||
status = DetermineMediaType(DeviceObject);
|
||
}
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
// so will propogate error
|
||
NOTHING;
|
||
} else if (fdoExtension->DiskGeometry.MediaType == F3_120M_512) {
|
||
//so that the format code will not try to partition it.
|
||
status = STATUS_INVALID_DEVICE_REQUEST;
|
||
} else {
|
||
//
|
||
// Free the Srb, since it is not needed.
|
||
//
|
||
|
||
ExFreePool(srb);
|
||
|
||
//
|
||
// Pass the request to the common device control routine.
|
||
//
|
||
|
||
return(ClassDeviceControl(DeviceObject, Irp));
|
||
}
|
||
break;
|
||
}
|
||
|
||
case IOCTL_DISK_GET_DRIVE_GEOMETRY: {
|
||
|
||
DebugPrint((3,"ScsiDeviceIoControl: Get drive geometry\n"));
|
||
|
||
if (fdoExtension->AdapterDescriptor->BusType == BusTypeUsb)
|
||
{
|
||
status = USBFlopGetMediaTypes(DeviceObject,
|
||
Irp);
|
||
break;
|
||
}
|
||
|
||
//
|
||
// If there's not enough room to write the
|
||
// data, then fail the request.
|
||
//
|
||
|
||
if ( irpStack->Parameters.DeviceIoControl.OutputBufferLength <
|
||
sizeof( DISK_GEOMETRY ) ) {
|
||
|
||
status = STATUS_INVALID_PARAMETER;
|
||
break;
|
||
}
|
||
|
||
status = DetermineMediaType(DeviceObject);
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
|
||
Irp->IoStatus.Information = 0;
|
||
Irp->IoStatus.Status = status;
|
||
|
||
} else {
|
||
|
||
//
|
||
// Copy drive geometry information from device extension.
|
||
//
|
||
|
||
RtlMoveMemory(Irp->AssociatedIrp.SystemBuffer,
|
||
&(fdoExtension->DiskGeometry),
|
||
sizeof(DISK_GEOMETRY));
|
||
|
||
Irp->IoStatus.Information = sizeof(DISK_GEOMETRY);
|
||
status = STATUS_SUCCESS;
|
||
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
case IOCTL_DISK_GET_MEDIA_TYPES: {
|
||
|
||
if (fdoExtension->AdapterDescriptor->BusType == BusTypeUsb)
|
||
{
|
||
status = USBFlopGetMediaTypes(DeviceObject,
|
||
Irp);
|
||
break;
|
||
}
|
||
|
||
i = DetermineDriveType(DeviceObject);
|
||
|
||
if (i == DRIVE_TYPE_NONE) {
|
||
status = STATUS_UNRECOGNIZED_MEDIA;
|
||
break;
|
||
}
|
||
|
||
lowestDriveMediaType = DriveMediaLimits[i].LowestDriveMediaType;
|
||
highestDriveMediaType = DriveMediaLimits[i].HighestDriveMediaType;
|
||
|
||
outputBufferLength =
|
||
irpStack->Parameters.DeviceIoControl.OutputBufferLength;
|
||
|
||
//
|
||
// Make sure that the input buffer has enough room to return
|
||
// at least one descriptions of a supported media type.
|
||
//
|
||
|
||
if ( outputBufferLength < ( sizeof( DISK_GEOMETRY ) ) ) {
|
||
|
||
status = STATUS_BUFFER_TOO_SMALL;
|
||
break;
|
||
}
|
||
|
||
//
|
||
// Assume success, although we might modify it to a buffer
|
||
// overflow warning below (if the buffer isn't big enough
|
||
// to hold ALL of the media descriptions).
|
||
//
|
||
|
||
status = STATUS_SUCCESS;
|
||
|
||
if (outputBufferLength < ( sizeof( DISK_GEOMETRY ) *
|
||
( highestDriveMediaType - lowestDriveMediaType + 1 ) ) ) {
|
||
|
||
//
|
||
// The buffer is too small for all of the descriptions;
|
||
// calculate what CAN fit in the buffer.
|
||
//
|
||
|
||
status = STATUS_BUFFER_OVERFLOW;
|
||
|
||
highestDriveMediaType = (DRIVE_MEDIA_TYPE)( ( lowestDriveMediaType - 1 ) +
|
||
( outputBufferLength /
|
||
sizeof( DISK_GEOMETRY ) ) );
|
||
}
|
||
|
||
outputBuffer = (PDISK_GEOMETRY) Irp->AssociatedIrp.SystemBuffer;
|
||
|
||
for (i = (UCHAR)lowestDriveMediaType;i <= (UCHAR)highestDriveMediaType;i++ ) {
|
||
|
||
outputBuffer->MediaType = DriveMediaConstants[i].MediaType;
|
||
outputBuffer->Cylinders.LowPart =
|
||
DriveMediaConstants[i].MaximumTrack + 1;
|
||
outputBuffer->Cylinders.HighPart = 0;
|
||
outputBuffer->TracksPerCylinder =
|
||
DriveMediaConstants[i].NumberOfHeads;
|
||
outputBuffer->SectorsPerTrack =
|
||
DriveMediaConstants[i].SectorsPerTrack;
|
||
outputBuffer->BytesPerSector =
|
||
DriveMediaConstants[i].BytesPerSector;
|
||
outputBuffer++;
|
||
|
||
Irp->IoStatus.Information += sizeof( DISK_GEOMETRY );
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
case IOCTL_DISK_FORMAT_TRACKS: {
|
||
|
||
if (fdoExtension->AdapterDescriptor->BusType == BusTypeUsb)
|
||
{
|
||
status = USBFlopFormatTracks(DeviceObject,
|
||
Irp);
|
||
break;
|
||
}
|
||
|
||
//
|
||
// Make sure that we got all the necessary format parameters.
|
||
//
|
||
|
||
if ( irpStack->Parameters.DeviceIoControl.InputBufferLength <sizeof( FORMAT_PARAMETERS ) ) {
|
||
|
||
status = STATUS_INVALID_PARAMETER;
|
||
break;
|
||
}
|
||
|
||
formatParameters = (PFORMAT_PARAMETERS) Irp->AssociatedIrp.SystemBuffer;
|
||
|
||
//
|
||
// Make sure the parameters we got are reasonable.
|
||
//
|
||
|
||
if ( !FlCheckFormatParameters(DeviceObject, formatParameters)) {
|
||
|
||
status = STATUS_INVALID_PARAMETER;
|
||
break;
|
||
}
|
||
|
||
//
|
||
// If this request is for a 20.8 MB floppy then call a special
|
||
// floppy format routine.
|
||
//
|
||
|
||
if (formatParameters->MediaType == F3_20Pt8_512) {
|
||
status = FlopticalFormatMedia(DeviceObject,
|
||
formatParameters
|
||
);
|
||
|
||
break;
|
||
}
|
||
|
||
//
|
||
// All the work is done in the pass. If this is not the first pass,
|
||
// then complete the request and return;
|
||
//
|
||
|
||
if (formatParameters->StartCylinderNumber != 0 || formatParameters->StartHeadNumber != 0) {
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
}
|
||
|
||
status = FormatMedia( DeviceObject, formatParameters->MediaType);
|
||
break;
|
||
}
|
||
|
||
case IOCTL_DISK_IS_WRITABLE: {
|
||
|
||
//
|
||
// Determine if the device is writable.
|
||
//
|
||
|
||
modeData = ExAllocatePool(NonPagedPoolCacheAligned, MODE_DATA_SIZE);
|
||
|
||
if (modeData == NULL) {
|
||
status = STATUS_INSUFFICIENT_RESOURCES;
|
||
break;
|
||
}
|
||
|
||
RtlZeroMemory(modeData, MODE_DATA_SIZE);
|
||
|
||
length = ClassModeSense(DeviceObject,
|
||
(PUCHAR) modeData,
|
||
MODE_DATA_SIZE,
|
||
MODE_SENSE_RETURN_ALL);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
|
||
//
|
||
// Retry the request in case of a check condition.
|
||
//
|
||
|
||
length = ClassModeSense(DeviceObject,
|
||
(PUCHAR) modeData,
|
||
MODE_DATA_SIZE,
|
||
MODE_SENSE_RETURN_ALL);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
status = STATUS_IO_DEVICE_ERROR;
|
||
ExFreePool(modeData);
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (modeData->DeviceSpecificParameter & MODE_DSP_WRITE_PROTECT) {
|
||
status = STATUS_MEDIA_WRITE_PROTECTED;
|
||
} else {
|
||
status = STATUS_SUCCESS;
|
||
}
|
||
|
||
DebugPrint((2,"IOCTL_DISK_IS_WRITABLE returns %08X\n", status));
|
||
|
||
ExFreePool(modeData);
|
||
break;
|
||
}
|
||
|
||
default: {
|
||
|
||
DebugPrint((3,"ScsiIoDeviceControl: Unsupported device IOCTL\n"));
|
||
|
||
//
|
||
// Free the Srb, since it is not needed.
|
||
//
|
||
|
||
ExFreePool(srb);
|
||
|
||
//
|
||
// Pass the request to the common device control routine.
|
||
//
|
||
|
||
return(ClassDeviceControl(DeviceObject, Irp));
|
||
|
||
break;
|
||
}
|
||
|
||
} // end switch( ...
|
||
|
||
//
|
||
// Check if SL_OVERRIDE_VERIFY_VOLUME flag is set in the IRP.
|
||
// If so, do not return STATUS_VERIFY_REQUIRED
|
||
//
|
||
if ((status == STATUS_VERIFY_REQUIRED) &&
|
||
(TEST_FLAG(irpStack->Flags, SL_OVERRIDE_VERIFY_VOLUME))) {
|
||
|
||
status = STATUS_IO_DEVICE_ERROR;
|
||
|
||
}
|
||
|
||
Irp->IoStatus.Status = status;
|
||
|
||
if (!NT_SUCCESS(status) && IoIsErrorUserInduced(status)) {
|
||
|
||
IoSetHardErrorOrVerifyDevice(Irp, DeviceObject);
|
||
}
|
||
|
||
KeRaiseIrql(DISPATCH_LEVEL, ¤tIrql);
|
||
ClassReleaseRemoveLock(DeviceObject, Irp);
|
||
ClassCompleteRequest(DeviceObject, Irp, 0);
|
||
KeLowerIrql(currentIrql);
|
||
|
||
ExFreePool(srb);
|
||
|
||
return status;
|
||
|
||
} // end ScsiFlopDeviceControl()
|
||
|
||
#if 0
|
||
|
||
BOOLEAN
|
||
IsFloppyDevice(
|
||
PDEVICE_OBJECT DeviceObject
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
The routine performs the necessary funcitons to deterime if the device is
|
||
really a floppy rather than a harddisk. This is done by a mode sense
|
||
command. First a check is made to see if the medimum type is set. Second
|
||
a check is made for the flexible parameters mode page.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object to be tested.
|
||
|
||
Return Value:
|
||
|
||
Return TRUE if the indicated device is a floppy.
|
||
|
||
--*/
|
||
{
|
||
|
||
PVOID modeData;
|
||
PUCHAR pageData;
|
||
ULONG length;
|
||
|
||
modeData = ExAllocatePool(NonPagedPoolCacheAligned, MODE_DATA_SIZE);
|
||
|
||
if (modeData == NULL) {
|
||
return(FALSE);
|
||
}
|
||
|
||
RtlZeroMemory(modeData, MODE_DATA_SIZE);
|
||
|
||
length = ClassModeSense(DeviceObject, modeData, MODE_DATA_SIZE, MODE_SENSE_RETURN_ALL);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
|
||
//
|
||
// Retry the request in case of a check condition.
|
||
//
|
||
|
||
length = ClassModeSense(DeviceObject,
|
||
modeData,
|
||
MODE_DATA_SIZE,
|
||
MODE_SENSE_RETURN_ALL);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
|
||
ExFreePool(modeData);
|
||
return(FALSE);
|
||
|
||
}
|
||
}
|
||
|
||
#if 0
|
||
//
|
||
// Some drives incorrectly report this. In particular the SONY RMO-S350
|
||
// when in disk mode.
|
||
//
|
||
|
||
if (((PMODE_PARAMETER_HEADER) modeData)->MediumType >= MODE_FD_SINGLE_SIDE
|
||
&& ((PMODE_PARAMETER_HEADER) modeData)->MediumType <= MODE_FD_MAXIMUM_TYPE) {
|
||
|
||
DebugPrint((1, "ScsiFlop: MediumType value %2x, This is a floppy.\n", ((PMODE_PARAMETER_HEADER) modeData)->MediumType));
|
||
ExFreePool(modeData);
|
||
return(TRUE);
|
||
}
|
||
|
||
#endif
|
||
|
||
//
|
||
// If the length is greater than length indiated by the mode data reset
|
||
// the data to the mode data.
|
||
//
|
||
if (length > (ULONG)((PMODE_PARAMETER_HEADER) modeData)->ModeDataLength + 1) {
|
||
length = (ULONG)((PMODE_PARAMETER_HEADER) modeData)->ModeDataLength + 1;
|
||
|
||
}
|
||
|
||
//
|
||
// Look for the flexible disk mode page.
|
||
//
|
||
|
||
pageData = ClassFindModePage( modeData, length, MODE_PAGE_FLEXIBILE, TRUE);
|
||
|
||
if (pageData != NULL) {
|
||
|
||
DebugPrint((1, "ScsiFlop: Flexible disk page found, This is a floppy.\n"));
|
||
|
||
//
|
||
// As a special case for the floptical driver do a magic mode sense to
|
||
// enable the drive.
|
||
//
|
||
|
||
ClassModeSense(DeviceObject, modeData, 0x2a, 0x2e);
|
||
|
||
ExFreePool(modeData);
|
||
return(TRUE);
|
||
|
||
}
|
||
|
||
ExFreePool(modeData);
|
||
return(FALSE);
|
||
|
||
}
|
||
#endif
|
||
|
||
|
||
NTSTATUS
|
||
DetermineMediaType(
|
||
PDEVICE_OBJECT DeviceObject
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine determines the floppy media type based on the size of the
|
||
device. The geometry information is set for the device object.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object to be tested.
|
||
|
||
Return Value:
|
||
|
||
None
|
||
|
||
--*/
|
||
{
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = DeviceObject->DeviceExtension;
|
||
PDISK_GEOMETRY geometry;
|
||
LONG index;
|
||
NTSTATUS status;
|
||
|
||
geometry = &(fdoExtension->DiskGeometry);
|
||
|
||
//
|
||
// Issue ReadCapacity to update device extension
|
||
// with information for current media.
|
||
//
|
||
|
||
status = ClassReadDriveCapacity(DeviceObject);
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
|
||
//
|
||
// Set the media type to unknow and zero the geometry information.
|
||
//
|
||
|
||
geometry->MediaType = Unknown;
|
||
|
||
return status;
|
||
|
||
}
|
||
|
||
//
|
||
// Look at the capcity of disk to determine its type.
|
||
//
|
||
|
||
for (index = NUMBER_OF_DRIVE_MEDIA_COMBINATIONS - 1; index >= 0; index--) {
|
||
|
||
//
|
||
// Walk the table backward untill the drive capacity holds all of the
|
||
// data and the bytes per setor are equal
|
||
//
|
||
|
||
if ((ULONG) (DriveMediaConstants[index].NumberOfHeads *
|
||
(DriveMediaConstants[index].MaximumTrack + 1) *
|
||
DriveMediaConstants[index].SectorsPerTrack *
|
||
DriveMediaConstants[index].BytesPerSector) <=
|
||
fdoExtension->CommonExtension.PartitionLength.LowPart &&
|
||
DriveMediaConstants[index].BytesPerSector ==
|
||
geometry->BytesPerSector) {
|
||
|
||
geometry->MediaType = DriveMediaConstants[index].MediaType;
|
||
geometry->TracksPerCylinder = DriveMediaConstants[index].NumberOfHeads;
|
||
geometry->SectorsPerTrack = DriveMediaConstants[index].SectorsPerTrack;
|
||
geometry->Cylinders.LowPart = DriveMediaConstants[index].MaximumTrack+1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (index == -1) {
|
||
|
||
//
|
||
// Set the media type to unknow and zero the geometry information.
|
||
//
|
||
|
||
geometry->MediaType = Unknown;
|
||
|
||
|
||
} else {
|
||
//
|
||
// DMF check breaks the insight SCSI floppy, so its disabled for that case
|
||
//
|
||
PDISK_DATA diskData = (PDISK_DATA) fdoExtension->CommonExtension.DriverData;
|
||
|
||
// if (diskData->EnableDMF == TRUE) {
|
||
|
||
//
|
||
//check to see if DMF
|
||
//
|
||
|
||
PSCSI_REQUEST_BLOCK srb;
|
||
PVOID readData;
|
||
|
||
//
|
||
// Allocate a Srb for the read command.
|
||
//
|
||
|
||
readData = ExAllocatePool(NonPagedPool, geometry->BytesPerSector);
|
||
if (readData == NULL) {
|
||
return STATUS_NO_MEMORY;
|
||
}
|
||
|
||
srb = ExAllocatePool(NonPagedPool, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
if (srb == NULL) {
|
||
|
||
ExFreePool(readData);
|
||
return STATUS_NO_MEMORY;
|
||
}
|
||
|
||
RtlZeroMemory(readData, geometry->BytesPerSector);
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
srb->CdbLength = 10;
|
||
srb->Cdb[0] = SCSIOP_READ;
|
||
srb->Cdb[5] = 0;
|
||
srb->Cdb[8] = (UCHAR) 1;
|
||
|
||
//
|
||
// Set timeout value.
|
||
//
|
||
|
||
srb->TimeOutValue = fdoExtension->TimeOutValue;
|
||
|
||
//
|
||
// Send the mode select data.
|
||
//
|
||
|
||
status = ClassSendSrbSynchronous(DeviceObject,
|
||
srb,
|
||
readData,
|
||
geometry->BytesPerSector,
|
||
FALSE
|
||
);
|
||
|
||
if (NT_SUCCESS(status)) {
|
||
char *pchar = (char *)readData;
|
||
|
||
pchar += 3; //skip 3 bytes jump code
|
||
|
||
// If the MSDMF3. signature is there then mark it as DMF diskette
|
||
if (RtlCompareMemory(pchar, "MSDMF3.", 7) == 7) {
|
||
diskData->IsDMF = TRUE;
|
||
}
|
||
|
||
}
|
||
ExFreePool(readData);
|
||
ExFreePool(srb);
|
||
// }// else
|
||
}
|
||
return status;
|
||
}
|
||
|
||
ULONG
|
||
DetermineDriveType(
|
||
PDEVICE_OBJECT DeviceObject
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
The routine determines the device type so that the supported medias can be
|
||
determined. It does a mode sense for the default parameters. This code
|
||
assumes that the returned values are for the maximum device size.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object to be tested.
|
||
|
||
Return Value:
|
||
|
||
None
|
||
|
||
--*/
|
||
{
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = DeviceObject->DeviceExtension;
|
||
PVOID modeData;
|
||
PDISK_DATA diskData = (PDISK_DATA) fdoExtension->CommonExtension.DriverData;
|
||
PMODE_FLEXIBLE_DISK_PAGE pageData;
|
||
ULONG length;
|
||
LONG index;
|
||
UCHAR numberOfHeads;
|
||
UCHAR sectorsPerTrack;
|
||
USHORT maximumTrack;
|
||
BOOLEAN applyFix = FALSE;
|
||
|
||
if (diskData->DriveType != DRIVE_TYPE_NONE) {
|
||
return(diskData->DriveType);
|
||
}
|
||
|
||
modeData = ExAllocatePool(NonPagedPoolCacheAligned, MODE_DATA_SIZE);
|
||
|
||
if (modeData == NULL) {
|
||
return(DRIVE_TYPE_NONE);
|
||
}
|
||
|
||
RtlZeroMemory(modeData, MODE_DATA_SIZE);
|
||
|
||
length = ClassModeSense(DeviceObject,
|
||
modeData,
|
||
MODE_DATA_SIZE,
|
||
MODE_PAGE_FLEXIBILE);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
|
||
RtlZeroMemory(modeData, MODE_DATA_SIZE);
|
||
|
||
//
|
||
// Retry the request one more time
|
||
// in case of a check condition.
|
||
//
|
||
length = ClassModeSense(DeviceObject,
|
||
modeData,
|
||
MODE_DATA_SIZE,
|
||
MODE_PAGE_FLEXIBILE);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
ExFreePool(modeData);
|
||
return(DRIVE_TYPE_NONE);
|
||
}
|
||
}
|
||
|
||
//
|
||
// Look for the flexible disk mode page.
|
||
//
|
||
|
||
pageData = ClassFindModePage( modeData,
|
||
length,
|
||
MODE_PAGE_FLEXIBILE,
|
||
TRUE);
|
||
|
||
//
|
||
// Make sure the page is returned and is large enough.
|
||
//
|
||
|
||
if ((pageData != NULL) &&
|
||
(pageData->PageLength + 2 >=
|
||
offsetof(MODE_FLEXIBLE_DISK_PAGE, StartWritePrecom))) {
|
||
|
||
//
|
||
// Pull out the heads, cylinders, and sectors.
|
||
//
|
||
|
||
numberOfHeads = pageData->NumberOfHeads;
|
||
maximumTrack = pageData->NumberOfCylinders[1];
|
||
maximumTrack |= pageData->NumberOfCylinders[0] << 8;
|
||
sectorsPerTrack = pageData->SectorsPerTrack;
|
||
|
||
|
||
//
|
||
// Convert from number of cylinders to maximum track.
|
||
//
|
||
|
||
maximumTrack--;
|
||
|
||
//
|
||
// Search for the maximum supported media. Based on the number of heads,
|
||
// sectors per track and number of cylinders
|
||
//
|
||
for (index = 0; index < NUMBER_OF_DRIVE_MEDIA_COMBINATIONS; index++) {
|
||
|
||
//
|
||
// Walk the table forward until the drive capacity holds all of the
|
||
// data and the bytes per setor are equal
|
||
//
|
||
|
||
if (DriveMediaConstants[index].NumberOfHeads == numberOfHeads &&
|
||
DriveMediaConstants[index].MaximumTrack == maximumTrack &&
|
||
DriveMediaConstants[index].SectorsPerTrack ==sectorsPerTrack) {
|
||
|
||
ExFreePool(modeData);
|
||
|
||
//
|
||
// index is now a drive media combination. Compare this to
|
||
// the maximum drive media type in the drive media table.
|
||
//
|
||
|
||
for (length = 0; length < NUMBER_OF_DRIVE_TYPES; length++) {
|
||
|
||
if (DriveMediaLimits[length].HighestDriveMediaType == index) {
|
||
return(length);
|
||
}
|
||
}
|
||
return(DRIVE_TYPE_NONE);
|
||
}
|
||
}
|
||
|
||
// If the maximum track is greater than 8 bits then divide the
|
||
// number of tracks by 3 and multiply the number of heads by 3.
|
||
// This is a special case for the 20.8 MB floppy.
|
||
//
|
||
|
||
if (!applyFix && maximumTrack >= 0x0100) {
|
||
applyFix = TRUE;
|
||
maximumTrack++;
|
||
maximumTrack /= 3;
|
||
maximumTrack--;
|
||
numberOfHeads *= 3;
|
||
} else {
|
||
ExFreePool(modeData);
|
||
return(DRIVE_TYPE_NONE);
|
||
}
|
||
|
||
}
|
||
|
||
ExFreePool(modeData);
|
||
return(DRIVE_TYPE_NONE);
|
||
}
|
||
|
||
|
||
BOOLEAN
|
||
FlCheckFormatParameters(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PFORMAT_PARAMETERS FormatParameters
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine checks the supplied format parameters to make sure that
|
||
they'll work on the drive to be formatted.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Pointer to the device object to be formated.
|
||
|
||
FormatParameters - a pointer to the caller's parameters for the FORMAT.
|
||
|
||
Return Value:
|
||
|
||
TRUE if parameters are OK.
|
||
FALSE if the parameters are bad.
|
||
|
||
--*/
|
||
|
||
{
|
||
PDRIVE_MEDIA_CONSTANTS driveMediaConstants;
|
||
DRIVE_MEDIA_TYPE driveMediaType;
|
||
ULONG index;
|
||
|
||
//
|
||
// Get the device type.
|
||
//
|
||
|
||
index = DetermineDriveType(DeviceObject);
|
||
|
||
if (index == DRIVE_TYPE_NONE) {
|
||
|
||
//
|
||
// If the determine device type failed then just use the media type
|
||
// and try the parameters.
|
||
//
|
||
|
||
driveMediaType = Drive360Media160;
|
||
|
||
while (( DriveMediaConstants[driveMediaType].MediaType !=
|
||
FormatParameters->MediaType ) &&
|
||
( driveMediaType < Drive288Media288) ) {
|
||
|
||
driveMediaType++;
|
||
}
|
||
|
||
} else {
|
||
|
||
//
|
||
// Figure out which entry in the DriveMediaConstants table to use.
|
||
//
|
||
|
||
driveMediaType =
|
||
DriveMediaLimits[index].HighestDriveMediaType;
|
||
|
||
while ( ( DriveMediaConstants[driveMediaType].MediaType !=
|
||
FormatParameters->MediaType ) &&
|
||
( driveMediaType > DriveMediaLimits[index].
|
||
LowestDriveMediaType ) ) {
|
||
|
||
driveMediaType--;
|
||
}
|
||
|
||
}
|
||
|
||
|
||
if ( DriveMediaConstants[driveMediaType].MediaType !=
|
||
FormatParameters->MediaType ) {
|
||
return FALSE;
|
||
|
||
} else {
|
||
|
||
driveMediaConstants = &DriveMediaConstants[driveMediaType];
|
||
|
||
if ( ( FormatParameters->StartHeadNumber >
|
||
(ULONG)( driveMediaConstants->NumberOfHeads - 1 ) ) ||
|
||
( FormatParameters->EndHeadNumber >
|
||
(ULONG)( driveMediaConstants->NumberOfHeads - 1 ) ) ||
|
||
( FormatParameters->StartCylinderNumber >
|
||
driveMediaConstants->MaximumTrack ) ||
|
||
( FormatParameters->EndCylinderNumber >
|
||
driveMediaConstants->MaximumTrack ) ||
|
||
( FormatParameters->EndCylinderNumber <
|
||
FormatParameters->StartCylinderNumber ) ) {
|
||
|
||
return FALSE;
|
||
|
||
} else {
|
||
|
||
return TRUE;
|
||
}
|
||
}
|
||
}
|
||
|
||
NTSTATUS
|
||
FormatMedia(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
MEDIA_TYPE MediaType
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine formats the floppy disk. The entire floppy is formated in
|
||
one shot.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object to be tested.
|
||
|
||
Irp - Supplies a pointer to the requesting Irp.
|
||
|
||
MediaType - Supplies the media type format the device for.
|
||
|
||
Return Value:
|
||
|
||
Returns a status for the operation.
|
||
|
||
--*/
|
||
{
|
||
PVOID modeData;
|
||
PSCSI_REQUEST_BLOCK srb;
|
||
PMODE_FLEXIBLE_DISK_PAGE pageData;
|
||
DRIVE_MEDIA_TYPE driveMediaType;
|
||
PDRIVE_MEDIA_CONSTANTS driveMediaConstants;
|
||
ULONG length;
|
||
NTSTATUS status;
|
||
|
||
modeData = ExAllocatePool(NonPagedPoolCacheAligned, MODE_DATA_SIZE);
|
||
|
||
if (modeData == NULL) {
|
||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||
}
|
||
|
||
RtlZeroMemory(modeData, MODE_DATA_SIZE);
|
||
|
||
length = ClassModeSense(DeviceObject,
|
||
modeData,
|
||
MODE_DATA_SIZE,
|
||
MODE_PAGE_FLEXIBILE);
|
||
|
||
if (length < sizeof(MODE_PARAMETER_HEADER)) {
|
||
ExFreePool(modeData);
|
||
return(STATUS_INVALID_DEVICE_REQUEST);
|
||
}
|
||
|
||
//
|
||
// Look for the flexible disk mode page.
|
||
//
|
||
|
||
pageData = ClassFindModePage( modeData, length, MODE_PAGE_FLEXIBILE, TRUE);
|
||
|
||
//
|
||
// Make sure the page is returned and is large enough.
|
||
//
|
||
|
||
if ((pageData == NULL) ||
|
||
(pageData->PageLength + 2 <
|
||
offsetof(MODE_FLEXIBLE_DISK_PAGE, StartWritePrecom))) {
|
||
|
||
ExFreePool(modeData);
|
||
return(STATUS_INVALID_DEVICE_REQUEST);
|
||
|
||
}
|
||
|
||
//
|
||
// Look for a drive media type which matches the requested media type.
|
||
//
|
||
//
|
||
//start from Drive120MMedia120M instead of Drive2080Media2080
|
||
//
|
||
for (driveMediaType = Drive120MMedia120M;
|
||
DriveMediaConstants[driveMediaType].MediaType != MediaType;
|
||
driveMediaType--) {
|
||
if (driveMediaType == Drive360Media160) {
|
||
|
||
ExFreePool(modeData);
|
||
return(STATUS_INVALID_PARAMETER);
|
||
|
||
}
|
||
}
|
||
|
||
driveMediaConstants = &DriveMediaConstants[driveMediaType];
|
||
|
||
if ((pageData->NumberOfHeads != driveMediaConstants->NumberOfHeads) ||
|
||
(pageData->SectorsPerTrack != driveMediaConstants->SectorsPerTrack) ||
|
||
((pageData->NumberOfCylinders[0] != (UCHAR)(driveMediaConstants->MaximumTrack+1) >> 8) &&
|
||
(pageData->NumberOfCylinders[1] != (UCHAR)driveMediaConstants->MaximumTrack+1)) ||
|
||
(pageData->BytesPerSector[0] != driveMediaConstants->BytesPerSector >> 8 )) {
|
||
|
||
//
|
||
// Update the flexible parameters page with the new parameters.
|
||
//
|
||
|
||
pageData->NumberOfHeads = driveMediaConstants->NumberOfHeads;
|
||
pageData->SectorsPerTrack = driveMediaConstants->SectorsPerTrack;
|
||
pageData->NumberOfCylinders[0] = (UCHAR)(driveMediaConstants->MaximumTrack+1) >> 8;
|
||
pageData->NumberOfCylinders[1] = (UCHAR)driveMediaConstants->MaximumTrack+1;
|
||
pageData->BytesPerSector[0] = driveMediaConstants->BytesPerSector >> 8;
|
||
|
||
//
|
||
// Clear the mode parameter header.
|
||
//
|
||
|
||
RtlZeroMemory(modeData, sizeof(MODE_PARAMETER_HEADER));
|
||
|
||
//
|
||
// Set the length equal to the length returned for the flexible page.
|
||
//
|
||
|
||
length = pageData->PageLength + 2;
|
||
|
||
//
|
||
// Copy the page after the mode parameter header.
|
||
//
|
||
|
||
RtlMoveMemory((PCHAR) modeData + sizeof(MODE_PARAMETER_HEADER),
|
||
pageData,
|
||
length
|
||
);
|
||
length += sizeof(MODE_PARAMETER_HEADER);
|
||
|
||
|
||
//
|
||
// Allocate a Srb for the format command.
|
||
//
|
||
|
||
srb = ExAllocatePool(NonPagedPool, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
if (srb == NULL) {
|
||
|
||
ExFreePool(modeData);
|
||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||
}
|
||
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
srb->CdbLength = 6;
|
||
srb->Cdb[0] = SCSIOP_MODE_SELECT;
|
||
srb->Cdb[4] = (UCHAR) length;
|
||
|
||
//
|
||
// Set the PF bit.
|
||
//
|
||
|
||
srb->Cdb[1] |= 0x10;
|
||
|
||
//
|
||
// Set timeout value.
|
||
//
|
||
|
||
srb->TimeOutValue = 2;
|
||
|
||
//
|
||
// Send the mode select data.
|
||
//
|
||
|
||
status = ClassSendSrbSynchronous(DeviceObject,
|
||
srb,
|
||
modeData,
|
||
length,
|
||
TRUE
|
||
);
|
||
|
||
//
|
||
// The mode data not needed any more so free it.
|
||
//
|
||
|
||
ExFreePool(modeData);
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
ExFreePool(srb);
|
||
return(status);
|
||
}
|
||
|
||
} else {
|
||
|
||
//
|
||
// The mode data not needed any more so free it.
|
||
//
|
||
|
||
ExFreePool(modeData);
|
||
|
||
//
|
||
// Allocate a Srb for the format command.
|
||
//
|
||
|
||
srb = ExAllocatePool(NonPagedPool, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
if (srb == NULL) {
|
||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||
}
|
||
|
||
}
|
||
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
srb->CdbLength = 6;
|
||
|
||
srb->Cdb[0] = SCSIOP_FORMAT_UNIT;
|
||
|
||
//
|
||
// Set timeout value.
|
||
//
|
||
|
||
srb->TimeOutValue = 10 * 60;
|
||
|
||
status = ClassSendSrbSynchronous(DeviceObject,
|
||
srb,
|
||
NULL,
|
||
0,
|
||
FALSE
|
||
);
|
||
ExFreePool(srb);
|
||
|
||
return(status);
|
||
|
||
}
|
||
|
||
VOID
|
||
ScsiFlopProcessError(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PSCSI_REQUEST_BLOCK Srb,
|
||
NTSTATUS *Status,
|
||
BOOLEAN *Retry
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine checks the type of error. If the error indicate the floppy
|
||
controller needs to be reinitialize a command is made to do it.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies a pointer to the device object.
|
||
|
||
Srb - Supplies a pointer to the failing Srb.
|
||
|
||
Status - Status with which the IRP will be completed.
|
||
|
||
Retry - Indication of whether the request will be retried.
|
||
|
||
Return Value:
|
||
|
||
None.
|
||
|
||
--*/
|
||
|
||
{
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension = DeviceObject->DeviceExtension;
|
||
PDISK_DATA diskData = (PDISK_DATA) fdoExtension->CommonExtension.DriverData;
|
||
PSENSE_DATA senseBuffer = Srb->SenseInfoBuffer;
|
||
PIO_STACK_LOCATION irpStack;
|
||
PIRP irp;
|
||
PSCSI_REQUEST_BLOCK srb;
|
||
LARGE_INTEGER largeInt;
|
||
PCOMPLETION_CONTEXT context;
|
||
PCDB cdb;
|
||
ULONG_PTR alignment;
|
||
ULONG majorFunction;
|
||
|
||
UNREFERENCED_PARAMETER(Status);
|
||
UNREFERENCED_PARAMETER(Retry);
|
||
|
||
largeInt.QuadPart = 1;
|
||
|
||
//
|
||
// Check the status. The initialization command only needs to be sent
|
||
// if UNIT ATTENTION or LUN NOT READY is returned.
|
||
//
|
||
|
||
if (!(Srb->SrbStatus & SRB_STATUS_AUTOSENSE_VALID)) {
|
||
|
||
//
|
||
// The drive does not require reinitialization.
|
||
//
|
||
|
||
return;
|
||
}
|
||
|
||
//
|
||
// Reset the drive type.
|
||
//
|
||
|
||
diskData->DriveType = DRIVE_TYPE_NONE;
|
||
diskData->IsDMF = FALSE;
|
||
|
||
fdoExtension->DiskGeometry.MediaType = Unknown;
|
||
|
||
if (fdoExtension->AdapterDescriptor->BusType == BusTypeUsb) {
|
||
|
||
// FLPYDISK.SYS never returns a non-zero value for the ChangeCount
|
||
// on an IOCTL_DISK_CHECK_VERIFY. Some things seem to work better
|
||
// if we do the same. In particular, FatVerifyVolume() can exit between
|
||
// the IOCTL_DISK_CHECK_VERIFY and the IOCTL_DISK_GET_DRIVE_GEOMETRY
|
||
// if a non-zero ChangeCount is returned, and this appears to cause
|
||
// issues formatting unformatted media in some situations.
|
||
//
|
||
// This is something that should probably be revisited at some point.
|
||
//
|
||
fdoExtension->MediaChangeCount = 0;
|
||
|
||
if (((senseBuffer->SenseKey & 0xf) == SCSI_SENSE_UNIT_ATTENTION) &&
|
||
(senseBuffer->AdditionalSenseCode == SCSI_ADSENSE_MEDIUM_CHANGED)) {
|
||
|
||
struct _START_STOP *cdb;
|
||
|
||
DebugPrint((2,"Sending SCSIOP_START_STOP_UNIT\n"));
|
||
|
||
context = ExAllocatePool(NonPagedPool,
|
||
sizeof(COMPLETION_CONTEXT));
|
||
|
||
if (context == NULL) {
|
||
|
||
return;
|
||
}
|
||
|
||
srb = &context->Srb;
|
||
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
srb->SrbFlags = SRB_FLAGS_DISABLE_AUTOSENSE;
|
||
|
||
srb->CdbLength = 6;
|
||
|
||
cdb = (struct _START_STOP *)srb->Cdb;
|
||
|
||
cdb->OperationCode = SCSIOP_START_STOP_UNIT;
|
||
cdb->Start = 1;
|
||
|
||
// A Start Stop Unit request has no transfer buffer.
|
||
// Set the request to IRP_MJ_FLUSH_BUFFERS when calling
|
||
// IoBuildAsynchronousFsdRequest() so that it ignores
|
||
// the buffer pointer and buffer length parameters.
|
||
//
|
||
majorFunction = IRP_MJ_FLUSH_BUFFERS;
|
||
|
||
} else if ((senseBuffer->SenseKey & 0xf) == SCSI_SENSE_MEDIUM_ERROR) {
|
||
|
||
// Return ERROR_UNRECOGNIZED_MEDIA instead of
|
||
// STATUS_DEVICE_DATA_ERROR to make shell happy.
|
||
//
|
||
*Status = STATUS_UNRECOGNIZED_MEDIA;
|
||
return;
|
||
|
||
} else {
|
||
|
||
return;
|
||
}
|
||
|
||
} else if (((senseBuffer->SenseKey & 0xf) == SCSI_SENSE_NOT_READY) &&
|
||
senseBuffer->AdditionalSenseCodeQualifier == SCSI_SENSEQ_INIT_COMMAND_REQUIRED ||
|
||
(senseBuffer->SenseKey & 0xf) == SCSI_SENSE_UNIT_ATTENTION) {
|
||
|
||
DebugPrint((1, "ScsiFlopProcessError: Reinitializing the floppy.\n"));
|
||
|
||
//
|
||
// Send the special mode sense command to enable writes on the
|
||
// floptical drive.
|
||
//
|
||
|
||
alignment = DeviceObject->AlignmentRequirement ?
|
||
DeviceObject->AlignmentRequirement : 1;
|
||
|
||
context = ExAllocatePool(
|
||
NonPagedPool,
|
||
sizeof(COMPLETION_CONTEXT) + 0x2a + (ULONG)alignment
|
||
);
|
||
|
||
if (context == NULL) {
|
||
|
||
//
|
||
// If there is not enough memory to fulfill this request,
|
||
// simply return. A subsequent retry will fail and another
|
||
// chance to start the unit.
|
||
//
|
||
|
||
return;
|
||
}
|
||
|
||
srb = &context->Srb;
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
//
|
||
// Set the transfer length.
|
||
//
|
||
|
||
srb->DataTransferLength = 0x2a;
|
||
srb->SrbFlags = SRB_FLAGS_DATA_IN | SRB_FLAGS_DISABLE_AUTOSENSE | SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
|
||
|
||
//
|
||
// The data buffer must be aligned.
|
||
//
|
||
|
||
srb->DataBuffer = (PVOID) (((ULONG_PTR) (context + 1) + (alignment - 1)) &
|
||
~(alignment - 1));
|
||
|
||
|
||
//
|
||
// Build the start unit CDB.
|
||
//
|
||
|
||
srb->CdbLength = 6;
|
||
cdb = (PCDB)srb->Cdb;
|
||
cdb->MODE_SENSE.LogicalUnitNumber = srb->Lun;
|
||
cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE;
|
||
cdb->MODE_SENSE.PageCode = 0x2e;
|
||
cdb->MODE_SENSE.AllocationLength = 0x2a;
|
||
|
||
majorFunction = IRP_MJ_READ;
|
||
|
||
} else {
|
||
|
||
return;
|
||
}
|
||
|
||
context->DeviceObject = DeviceObject;
|
||
|
||
//
|
||
// Write length to SRB.
|
||
//
|
||
|
||
srb->Length = SCSI_REQUEST_BLOCK_SIZE;
|
||
|
||
srb->Function = SRB_FUNCTION_EXECUTE_SCSI;
|
||
srb->TimeOutValue = fdoExtension->TimeOutValue;
|
||
|
||
//
|
||
// Build the asynchronous request
|
||
// to be sent to the port driver.
|
||
//
|
||
|
||
irp = IoBuildAsynchronousFsdRequest(majorFunction,
|
||
DeviceObject,
|
||
srb->DataBuffer,
|
||
srb->DataTransferLength,
|
||
&largeInt,
|
||
NULL);
|
||
|
||
if(irp == NULL) {
|
||
ExFreePool(context);
|
||
return;
|
||
}
|
||
|
||
|
||
IoSetCompletionRoutine(irp,
|
||
(PIO_COMPLETION_ROUTINE)ClassAsynchronousCompletion,
|
||
context,
|
||
TRUE,
|
||
TRUE,
|
||
TRUE);
|
||
|
||
ClassAcquireRemoveLock(DeviceObject, irp);
|
||
|
||
irpStack = IoGetNextIrpStackLocation(irp);
|
||
|
||
irpStack->MajorFunction = IRP_MJ_SCSI;
|
||
|
||
srb->OriginalRequest = irp;
|
||
|
||
//
|
||
// Save SRB address in next stack for port driver.
|
||
//
|
||
|
||
irpStack->Parameters.Others.Argument1 = (PVOID)srb;
|
||
|
||
//
|
||
// Can't release the remove lock yet - let ClassAsynchronousCompletion
|
||
// take care of that for us.
|
||
//
|
||
|
||
(VOID)IoCallDriver(fdoExtension->CommonExtension.LowerDeviceObject, irp);
|
||
|
||
return;
|
||
}
|
||
|
||
NTSTATUS
|
||
FlopticalFormatMedia(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PFORMAT_PARAMETERS Format
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine is used to do perform a format tracks for the 20.8 MB
|
||
floppy. Because the device does not support format tracks and the full
|
||
format takes a long time a write of zeros is done instead.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object to be tested.
|
||
|
||
Format - Supplies the format parameters.
|
||
|
||
Return Value:
|
||
|
||
Returns a status for the operation.
|
||
|
||
--*/
|
||
{
|
||
IO_STATUS_BLOCK ioStatus;
|
||
PIRP irp;
|
||
KEVENT event;
|
||
LARGE_INTEGER offset;
|
||
ULONG length;
|
||
PVOID buffer;
|
||
PDRIVE_MEDIA_CONSTANTS driveMediaConstants;
|
||
NTSTATUS status;
|
||
|
||
driveMediaConstants = &DriveMediaConstants[Drive2080Media2080];
|
||
|
||
//
|
||
// Calculate the length of the buffer.
|
||
//
|
||
|
||
length = ((Format->EndCylinderNumber - Format->StartCylinderNumber) *
|
||
driveMediaConstants->NumberOfHeads +
|
||
Format->EndHeadNumber - Format->StartHeadNumber + 1) *
|
||
driveMediaConstants->SectorsPerTrack *
|
||
driveMediaConstants->BytesPerSector;
|
||
|
||
buffer = ExAllocatePool(NonPagedPoolCacheAligned, length);
|
||
|
||
if (buffer == NULL) {
|
||
return(STATUS_INSUFFICIENT_RESOURCES);
|
||
}
|
||
|
||
RtlZeroMemory(buffer, length);
|
||
|
||
offset.QuadPart =
|
||
(Format->StartCylinderNumber * driveMediaConstants->NumberOfHeads +
|
||
Format->StartHeadNumber) * driveMediaConstants->SectorsPerTrack *
|
||
driveMediaConstants->BytesPerSector;
|
||
|
||
//
|
||
// Set the event object to the unsignaled state.
|
||
// It will be used to signal request completion.
|
||
//
|
||
|
||
KeInitializeEvent(&event, NotificationEvent, FALSE);
|
||
|
||
//
|
||
// Build the synchronous request with data transfer.
|
||
//
|
||
|
||
irp = IoBuildSynchronousFsdRequest(
|
||
IRP_MJ_WRITE,
|
||
DeviceObject,
|
||
buffer,
|
||
length,
|
||
&offset,
|
||
&event,
|
||
&ioStatus);
|
||
|
||
|
||
status = IoCallDriver(DeviceObject, irp);
|
||
|
||
if (status == STATUS_PENDING) {
|
||
|
||
//
|
||
// Wait for the request to complete if necessary.
|
||
//
|
||
|
||
KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
|
||
}
|
||
|
||
//
|
||
// If the call driver suceeded then set the status to the status block.
|
||
//
|
||
|
||
if (NT_SUCCESS(status)) {
|
||
status = ioStatus.Status;
|
||
}
|
||
|
||
ExFreePool(buffer);
|
||
|
||
return(status);
|
||
|
||
}
|
||
|
||
#if 0
|
||
|
||
LONG
|
||
SFlopStringCmp (
|
||
PCHAR FirstStr,
|
||
PCHAR SecondStr,
|
||
ULONG Count
|
||
)
|
||
{
|
||
UCHAR first ,last;
|
||
|
||
if (Count) {
|
||
do {
|
||
|
||
//
|
||
// Get next char.
|
||
//
|
||
|
||
first = *FirstStr++;
|
||
last = *SecondStr++;
|
||
|
||
if (first != last) {
|
||
|
||
//
|
||
// If no match, try lower-casing.
|
||
//
|
||
|
||
if (first>='A' && first<='Z') {
|
||
first = first - 'A' + 'a';
|
||
}
|
||
if (last>='A' && last<='Z') {
|
||
last = last - 'A' + 'a';
|
||
}
|
||
if (first != last) {
|
||
|
||
//
|
||
// No match
|
||
//
|
||
|
||
return first - last;
|
||
}
|
||
}
|
||
}while (--Count && first);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
#endif
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopRemoveDevice(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN UCHAR Type
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine is responsible for releasing any resources in use by the
|
||
sfloppy driver. This routine is called
|
||
when all outstanding requests have been completed and the driver has
|
||
disappeared - no requests may be issued to the lower drivers.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - the device object being removed
|
||
|
||
Type - the type of remove operation (QUERY, REMOVE or CANCEL)
|
||
|
||
Return Value:
|
||
|
||
for a query - success if the device can be removed or a failure code
|
||
indiciating why not.
|
||
|
||
for a remove or cancel - STATUS_SUCCESS
|
||
|
||
--*/
|
||
|
||
{
|
||
PFUNCTIONAL_DEVICE_EXTENSION deviceExtension =
|
||
DeviceObject->DeviceExtension;
|
||
PDISK_DATA diskData = deviceExtension->CommonExtension.DriverData;
|
||
|
||
PAGED_CODE();
|
||
|
||
if((Type == IRP_MN_QUERY_REMOVE_DEVICE) ||
|
||
(Type == IRP_MN_CANCEL_REMOVE_DEVICE)) {
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
if(deviceExtension->DeviceDescriptor) {
|
||
ExFreePool(deviceExtension->DeviceDescriptor);
|
||
deviceExtension->DeviceDescriptor = NULL;
|
||
}
|
||
|
||
if(deviceExtension->AdapterDescriptor) {
|
||
ExFreePool(deviceExtension->AdapterDescriptor);
|
||
deviceExtension->AdapterDescriptor = NULL;
|
||
}
|
||
|
||
if(deviceExtension->SenseData) {
|
||
ExFreePool(deviceExtension->SenseData);
|
||
deviceExtension->SenseData = NULL;
|
||
}
|
||
|
||
ClassDeleteSrbLookasideList(&deviceExtension->CommonExtension);
|
||
|
||
if(diskData->FloppyInterfaceString.Buffer != NULL) {
|
||
IoSetDeviceInterfaceState(
|
||
&(diskData->FloppyInterfaceString),
|
||
FALSE);
|
||
RtlFreeUnicodeString(&(diskData->FloppyInterfaceString));
|
||
RtlInitUnicodeString(&(diskData->FloppyInterfaceString), NULL);
|
||
}
|
||
|
||
if(Type == IRP_MN_REMOVE_DEVICE) {
|
||
IoGetConfigurationInformation()->FloppyCount--;
|
||
}
|
||
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
|
||
NTSTATUS
|
||
ScsiFlopStopDevice(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN UCHAR Type
|
||
)
|
||
{
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
|
||
NTSTATUS
|
||
USBFlopGetMediaTypes(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
)
|
||
{
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routines determines the current or default geometry of the drive
|
||
for IOCTL_DISK_GET_DRIVE_GEOMETRY, or all currently supported geometries
|
||
of the drive (which is determined by its currently inserted media) for
|
||
IOCTL_DISK_GET_MEDIA_TYPES.
|
||
|
||
The returned geometries are determined by issuing a Read Format Capacities
|
||
request and then matching the returned {Number of Blocks, Block Length}
|
||
pairs in a table of known floppy geometries.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object.
|
||
|
||
Irp - A IOCTL_DISK_GET_DRIVE_GEOMETRY or a IOCTL_DISK_GET_MEDIA_TYPES Irp.
|
||
If NULL, the device geometry is updated with the current device
|
||
geometry.
|
||
|
||
Return Value:
|
||
|
||
Status is returned.
|
||
|
||
--*/
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension;
|
||
PIO_STACK_LOCATION irpStack;
|
||
ULONG ioControlCode;
|
||
PDISK_GEOMETRY outputBuffer;
|
||
PDISK_GEOMETRY outputBufferEnd;
|
||
ULONG outputBufferLength;
|
||
PSCSI_REQUEST_BLOCK srb;
|
||
PVOID dataBuffer;
|
||
ULONG dataTransferLength;
|
||
struct _READ_FORMATTED_CAPACITIES *cdb;
|
||
PFORMATTED_CAPACITY_LIST capList;
|
||
NTSTATUS status;
|
||
|
||
fdoExtension = DeviceObject->DeviceExtension;
|
||
|
||
if (Irp != NULL) {
|
||
|
||
// Get the Irp parameters
|
||
//
|
||
irpStack = IoGetCurrentIrpStackLocation(Irp);
|
||
|
||
ioControlCode = irpStack->Parameters.DeviceIoControl.IoControlCode;
|
||
|
||
Irp->IoStatus.Information = 0;
|
||
|
||
outputBuffer = (PDISK_GEOMETRY) Irp->AssociatedIrp.SystemBuffer;
|
||
|
||
outputBufferLength = irpStack->Parameters.DeviceIoControl.OutputBufferLength;
|
||
|
||
if (outputBufferLength < sizeof(DISK_GEOMETRY))
|
||
{
|
||
return STATUS_BUFFER_TOO_SMALL;
|
||
}
|
||
|
||
// Pointer arithmetic to allow multiple DISK_GEOMETRY's to be returned.
|
||
// Rounds BufferEnd down to integral multiple of DISK_GEOMETRY structs.
|
||
//
|
||
outputBufferEnd = outputBuffer +
|
||
outputBufferLength / sizeof(DISK_GEOMETRY);
|
||
|
||
} else {
|
||
|
||
// No Irp to return the result in, just update the current geometry
|
||
// in the device extension.
|
||
//
|
||
ioControlCode = IOCTL_DISK_GET_DRIVE_GEOMETRY;
|
||
|
||
outputBuffer = NULL;
|
||
|
||
outputBufferEnd = NULL;
|
||
|
||
outputBufferLength = 0;
|
||
}
|
||
|
||
if (ioControlCode == IOCTL_DISK_GET_DRIVE_GEOMETRY) {
|
||
|
||
fdoExtension->DiskGeometry.MediaType = Unknown;
|
||
|
||
status = ClassReadDriveCapacity(DeviceObject);
|
||
|
||
if (!NT_SUCCESS(status))
|
||
{
|
||
// If the media is not recongized, we want to return the default
|
||
// geometry so that the media can be formatted. Unrecognized media
|
||
// causes SCSI_SENSE_MEDIUM_ERROR, which gets reported as
|
||
// STATUS_DEVICE_DATA_ERROR. Ignore these errors, but return other
|
||
// errors, such as STATUS_NO_MEDIA_IN_DEVICE.
|
||
//
|
||
if (status != STATUS_UNRECOGNIZED_MEDIA)
|
||
{
|
||
DebugPrint((2,"IOCTL_DISK_GET_DRIVE_GEOMETRY returns %08X\n", status));
|
||
|
||
return status;
|
||
}
|
||
}
|
||
}
|
||
|
||
// Allocate an SRB for the SCSIOP_READ_FORMATTED_CAPACITY request
|
||
//
|
||
srb = ExAllocatePool(NonPagedPool, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
if (srb == NULL)
|
||
{
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
// Allocate a transfer buffer for the SCSIOP_READ_FORMATTED_CAPACITY request
|
||
// The length of the returned descriptor array is limited to a byte field
|
||
// in the capacity list header.
|
||
//
|
||
dataTransferLength = sizeof(FORMATTED_CAPACITY_LIST) +
|
||
31 * sizeof(FORMATTED_CAPACITY_DESCRIPTOR);
|
||
|
||
ASSERT(dataTransferLength < 0x100);
|
||
|
||
dataBuffer = ExAllocatePool(NonPagedPool, dataTransferLength);
|
||
|
||
if (dataBuffer == NULL)
|
||
{
|
||
ExFreePool(srb);
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
// Initialize the SRB and CDB
|
||
//
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
RtlZeroMemory(dataBuffer, dataTransferLength);
|
||
|
||
srb->CdbLength = sizeof(struct _READ_FORMATTED_CAPACITIES);
|
||
|
||
srb->TimeOutValue = fdoExtension->TimeOutValue;
|
||
|
||
cdb = (struct _READ_FORMATTED_CAPACITIES *)srb->Cdb;
|
||
|
||
cdb->OperationCode = SCSIOP_READ_FORMATTED_CAPACITY;
|
||
cdb->AllocationLength[1] = (UCHAR)dataTransferLength;
|
||
|
||
// Send down the SCSIOP_READ_FORMATTED_CAPACITY request
|
||
//
|
||
status = ClassSendSrbSynchronous(DeviceObject,
|
||
srb,
|
||
dataBuffer,
|
||
dataTransferLength,
|
||
FALSE);
|
||
|
||
capList = (PFORMATTED_CAPACITY_LIST)dataBuffer;
|
||
|
||
// If we don't get as much data as requested, it is not an error.
|
||
//
|
||
if (SRB_STATUS(srb->SrbStatus) == SRB_STATUS_DATA_OVERRUN)
|
||
{
|
||
status = STATUS_SUCCESS;
|
||
}
|
||
|
||
if (NT_SUCCESS(status) &&
|
||
srb->DataTransferLength >= sizeof(FORMATTED_CAPACITY_LIST) &&
|
||
capList->CapacityListLength &&
|
||
capList->CapacityListLength % sizeof(FORMATTED_CAPACITY_DESCRIPTOR) == 0)
|
||
{
|
||
ULONG NumberOfBlocks;
|
||
ULONG BlockLength;
|
||
ULONG count;
|
||
ULONG i, j;
|
||
LONG currentGeometry;
|
||
BOOLEAN capacityMatches[FLOPPY_CAPACITIES];
|
||
|
||
// Subtract the size of the Capacity List Header to get
|
||
// just the size of the Capacity List Descriptor array.
|
||
//
|
||
srb->DataTransferLength -= sizeof(FORMATTED_CAPACITY_LIST);
|
||
|
||
// Only look at the Capacity List Descriptors that were actually
|
||
// returned.
|
||
//
|
||
if (srb->DataTransferLength < capList->CapacityListLength)
|
||
{
|
||
count = srb->DataTransferLength /
|
||
sizeof(FORMATTED_CAPACITY_DESCRIPTOR);
|
||
}
|
||
else
|
||
{
|
||
count = capList->CapacityListLength /
|
||
sizeof(FORMATTED_CAPACITY_DESCRIPTOR);
|
||
}
|
||
|
||
// Updated only if a match is found for the first Capacity List
|
||
// Descriptor returned by the device.
|
||
//
|
||
currentGeometry = -1;
|
||
|
||
// Initialize the array of capacities that hit a match.
|
||
//
|
||
RtlZeroMemory(capacityMatches, sizeof(capacityMatches));
|
||
|
||
// Iterate over each Capacity List Descriptor returned from the device
|
||
// and record matching capacities in the capacity match array.
|
||
//
|
||
for (i = 0; i < count; i++)
|
||
{
|
||
NumberOfBlocks = (capList->Descriptors[i].NumberOfBlocks[0] << 24) +
|
||
(capList->Descriptors[i].NumberOfBlocks[1] << 16) +
|
||
(capList->Descriptors[i].NumberOfBlocks[2] << 8) +
|
||
(capList->Descriptors[i].NumberOfBlocks[3]);
|
||
|
||
BlockLength = (capList->Descriptors[i].BlockLength[0] << 16) +
|
||
(capList->Descriptors[i].BlockLength[1] << 8) +
|
||
(capList->Descriptors[i].BlockLength[2]);
|
||
|
||
// Given the {NumberOfBlocks, BlockLength} from this Capacity List
|
||
// Descriptor, find a matching entry in FloppyCapacities[].
|
||
//
|
||
for (j = 0; j < FLOPPY_CAPACITIES; j++)
|
||
{
|
||
if (NumberOfBlocks == FloppyCapacities[j].NumberOfBlocks &&
|
||
BlockLength == FloppyCapacities[j].BlockLength)
|
||
{
|
||
// A matching capacity was found, record it.
|
||
//
|
||
capacityMatches[j] = TRUE;
|
||
|
||
// A match was found for the first Capacity List
|
||
// Descriptor returned by the device.
|
||
//
|
||
if (i == 0)
|
||
{
|
||
currentGeometry = j;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Default status is STATUS_UNRECOGNIZED_MEDIA, unless we return
|
||
// either STATUS_SUCCESS or STATUS_BUFFER_OVERFLOW.
|
||
//
|
||
status = STATUS_UNRECOGNIZED_MEDIA;
|
||
|
||
if (ioControlCode == IOCTL_DISK_GET_DRIVE_GEOMETRY) {
|
||
|
||
if (currentGeometry != -1)
|
||
{
|
||
// Update the current device geometry
|
||
//
|
||
fdoExtension->DiskGeometry = FloppyGeometries[currentGeometry];
|
||
|
||
//
|
||
// Calculate sector to byte shift.
|
||
//
|
||
|
||
WHICH_BIT(fdoExtension->DiskGeometry.BytesPerSector,
|
||
fdoExtension->SectorShift);
|
||
|
||
fdoExtension->CommonExtension.PartitionLength.QuadPart =
|
||
(LONGLONG)FloppyCapacities[currentGeometry].NumberOfBlocks *
|
||
FloppyCapacities[currentGeometry].BlockLength;
|
||
|
||
DebugPrint((2,"geometry is: %3d %2d %d %2d %4d %2d %08X\n",
|
||
fdoExtension->DiskGeometry.Cylinders.LowPart,
|
||
fdoExtension->DiskGeometry.MediaType,
|
||
fdoExtension->DiskGeometry.TracksPerCylinder,
|
||
fdoExtension->DiskGeometry.SectorsPerTrack,
|
||
fdoExtension->DiskGeometry.BytesPerSector,
|
||
fdoExtension->SectorShift,
|
||
fdoExtension->CommonExtension.PartitionLength.LowPart));
|
||
|
||
// Return the current device geometry
|
||
//
|
||
if (Irp != NULL)
|
||
{
|
||
*outputBuffer = FloppyGeometries[currentGeometry];
|
||
|
||
Irp->IoStatus.Information = sizeof(DISK_GEOMETRY);
|
||
}
|
||
|
||
status = STATUS_SUCCESS;
|
||
}
|
||
|
||
} else {
|
||
|
||
// Iterate over the capacities and return the geometry
|
||
// corresponding to each matching Capacity List Descriptor
|
||
// returned from the device.
|
||
//
|
||
// The resulting list should be in sorted ascending order,
|
||
// assuming that the FloppyGeometries[] array is in sorted
|
||
// ascending order.
|
||
//
|
||
for (i = 0; i < FLOPPY_CAPACITIES; i++)
|
||
{
|
||
if (capacityMatches[i] && FloppyCapacities[i].CanFormat)
|
||
{
|
||
if (outputBuffer < outputBufferEnd)
|
||
{
|
||
*outputBuffer++ = FloppyGeometries[i];
|
||
|
||
Irp->IoStatus.Information += sizeof(DISK_GEOMETRY);
|
||
|
||
DebugPrint((2,"geometry : %3d %2d %d %2d %4d\n",
|
||
FloppyGeometries[i].Cylinders.LowPart,
|
||
FloppyGeometries[i].MediaType,
|
||
FloppyGeometries[i].TracksPerCylinder,
|
||
FloppyGeometries[i].SectorsPerTrack,
|
||
FloppyGeometries[i].BytesPerSector));
|
||
|
||
status = STATUS_SUCCESS;
|
||
}
|
||
else
|
||
{
|
||
// We ran out of output buffer room before we ran out
|
||
// geometries to return.
|
||
//
|
||
status = STATUS_BUFFER_OVERFLOW;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (NT_SUCCESS(status))
|
||
{
|
||
// The SCSIOP_READ_FORMATTED_CAPACITY request was successful, but
|
||
// returned data does not appear valid.
|
||
//
|
||
status = STATUS_UNSUCCESSFUL;
|
||
}
|
||
|
||
ExFreePool(dataBuffer);
|
||
ExFreePool(srb);
|
||
|
||
return status;
|
||
}
|
||
|
||
|
||
NTSTATUS
|
||
USBFlopFormatTracks(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIRP Irp
|
||
)
|
||
{
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routines formats the specified tracks. If multiple tracks are
|
||
specified, each is formatted with a separate Format Unit request.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Supplies the device object.
|
||
|
||
Irp - A IOCTL_DISK_FORMAT_TRACKS Irp.
|
||
|
||
Return Value:
|
||
|
||
Status is returned.
|
||
|
||
--*/
|
||
PFUNCTIONAL_DEVICE_EXTENSION fdoExtension;
|
||
PIO_STACK_LOCATION irpStack;
|
||
PFORMAT_PARAMETERS formatParameters;
|
||
PDISK_GEOMETRY geometry;
|
||
PFORMATTED_CAPACITY capacity;
|
||
PSCSI_REQUEST_BLOCK srb;
|
||
PFORMAT_UNIT_PARAMETER_LIST parameterList;
|
||
PCDB12FORMAT cdb;
|
||
ULONG i;
|
||
ULONG cylinder, head;
|
||
NTSTATUS status;
|
||
|
||
fdoExtension = DeviceObject->DeviceExtension;
|
||
|
||
// Get the Irp parameters
|
||
//
|
||
irpStack = IoGetCurrentIrpStackLocation(Irp);
|
||
|
||
if (irpStack->Parameters.DeviceIoControl.InputBufferLength <
|
||
sizeof(FORMAT_PARAMETERS))
|
||
{
|
||
return STATUS_INVALID_PARAMETER;
|
||
}
|
||
|
||
formatParameters = (PFORMAT_PARAMETERS)Irp->AssociatedIrp.SystemBuffer;
|
||
|
||
// Find the geometry / capacity entries corresponding to the format
|
||
// parameters MediaType
|
||
//
|
||
geometry = NULL;
|
||
capacity = NULL;
|
||
|
||
for (i=0; i<FLOPPY_CAPACITIES; i++)
|
||
{
|
||
if (FloppyGeometries[i].MediaType == formatParameters->MediaType)
|
||
{
|
||
geometry = &FloppyGeometries[i];
|
||
capacity = &FloppyCapacities[i];
|
||
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (geometry == NULL)
|
||
{
|
||
return STATUS_INVALID_PARAMETER;
|
||
}
|
||
|
||
// Check if the format parameters are valid
|
||
//
|
||
if ((formatParameters->StartCylinderNumber >
|
||
geometry->Cylinders.LowPart - 1) ||
|
||
|
||
(formatParameters->EndCylinderNumber >
|
||
geometry->Cylinders.LowPart - 1) ||
|
||
|
||
(formatParameters->StartHeadNumber >
|
||
geometry->TracksPerCylinder - 1) ||
|
||
|
||
(formatParameters->EndHeadNumber >
|
||
geometry->TracksPerCylinder - 1) ||
|
||
|
||
(formatParameters->StartCylinderNumber >
|
||
formatParameters->EndCylinderNumber) ||
|
||
|
||
(formatParameters->StartHeadNumber >
|
||
formatParameters->EndHeadNumber))
|
||
{
|
||
return STATUS_INVALID_PARAMETER;
|
||
}
|
||
|
||
// Don't low level format LS-120 media, Imation says it's best to not
|
||
// do this.
|
||
//
|
||
if ((formatParameters->MediaType == F3_120M_512) ||
|
||
(formatParameters->MediaType == F3_240M_512))
|
||
{
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
// Allocate an SRB for the SCSIOP_FORMAT_UNIT request
|
||
//
|
||
srb = ExAllocatePool(NonPagedPool, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
if (srb == NULL)
|
||
{
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
// Allocate a transfer buffer for the SCSIOP_FORMAT_UNIT parameter list
|
||
//
|
||
parameterList = ExAllocatePool(NonPagedPool,
|
||
sizeof(FORMAT_UNIT_PARAMETER_LIST));
|
||
|
||
if (parameterList == NULL)
|
||
{
|
||
ExFreePool(srb);
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
// Initialize the parameter list
|
||
//
|
||
RtlZeroMemory(parameterList, sizeof(FORMAT_UNIT_PARAMETER_LIST));
|
||
|
||
parameterList->DefectListHeader.SingleTrack = 1;
|
||
parameterList->DefectListHeader.DisableCert = 1; // TEAC requires this set
|
||
parameterList->DefectListHeader.FormatOptionsValid = 1;
|
||
parameterList->DefectListHeader.DefectListLengthLsb = 8;
|
||
|
||
parameterList->FormatDescriptor.NumberOfBlocks[0] =
|
||
(UCHAR)((capacity->NumberOfBlocks >> 24) & 0xFF);
|
||
|
||
parameterList->FormatDescriptor.NumberOfBlocks[1] =
|
||
(UCHAR)((capacity->NumberOfBlocks >> 16) & 0xFF);
|
||
|
||
parameterList->FormatDescriptor.NumberOfBlocks[2] =
|
||
(UCHAR)((capacity->NumberOfBlocks >> 8) & 0xFF);
|
||
|
||
parameterList->FormatDescriptor.NumberOfBlocks[3] =
|
||
(UCHAR)(capacity->NumberOfBlocks & 0xFF);
|
||
|
||
parameterList->FormatDescriptor.BlockLength[0] =
|
||
(UCHAR)((capacity->BlockLength >> 16) & 0xFF);
|
||
|
||
parameterList->FormatDescriptor.BlockLength[1] =
|
||
(UCHAR)((capacity->BlockLength >> 8) & 0xFF);
|
||
|
||
parameterList->FormatDescriptor.BlockLength[2] =
|
||
(UCHAR)(capacity->BlockLength & 0xFF);
|
||
|
||
|
||
for (cylinder = formatParameters->StartCylinderNumber;
|
||
cylinder <= formatParameters->EndCylinderNumber;
|
||
cylinder++)
|
||
{
|
||
for (head = formatParameters->StartHeadNumber;
|
||
head <= formatParameters->EndHeadNumber;
|
||
head++)
|
||
{
|
||
// Initialize the SRB and CDB
|
||
//
|
||
RtlZeroMemory(srb, SCSI_REQUEST_BLOCK_SIZE);
|
||
|
||
srb->CdbLength = sizeof(CDB12FORMAT);
|
||
|
||
srb->TimeOutValue = fdoExtension->TimeOutValue;
|
||
|
||
cdb = (PCDB12FORMAT)srb->Cdb;
|
||
|
||
cdb->OperationCode = SCSIOP_FORMAT_UNIT;
|
||
cdb->DefectListFormat = 7;
|
||
cdb->FmtData = 1;
|
||
cdb->TrackNumber = (UCHAR)cylinder;
|
||
cdb->ParameterListLengthLsb = sizeof(FORMAT_UNIT_PARAMETER_LIST);
|
||
|
||
parameterList->DefectListHeader.Side = (UCHAR)head;
|
||
|
||
// Send down the SCSIOP_READ_FORMATTED_CAPACITY request
|
||
//
|
||
status = ClassSendSrbSynchronous(DeviceObject,
|
||
srb,
|
||
parameterList,
|
||
sizeof(FORMAT_UNIT_PARAMETER_LIST),
|
||
TRUE);
|
||
|
||
if (!NT_SUCCESS(status))
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
if (!NT_SUCCESS(status))
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (NT_SUCCESS(status) && formatParameters->StartCylinderNumber == 0)
|
||
{
|
||
// Update the device geometry
|
||
//
|
||
|
||
DebugPrint((2,"geometry was: %3d %2d %d %2d %4d %2d %08X\n",
|
||
fdoExtension->DiskGeometry.Cylinders.LowPart,
|
||
fdoExtension->DiskGeometry.MediaType,
|
||
fdoExtension->DiskGeometry.TracksPerCylinder,
|
||
fdoExtension->DiskGeometry.SectorsPerTrack,
|
||
fdoExtension->DiskGeometry.BytesPerSector,
|
||
fdoExtension->SectorShift,
|
||
fdoExtension->CommonExtension.PartitionLength.LowPart));
|
||
|
||
fdoExtension->DiskGeometry = *geometry;
|
||
|
||
//
|
||
// Calculate sector to byte shift.
|
||
//
|
||
|
||
WHICH_BIT(fdoExtension->DiskGeometry.BytesPerSector,
|
||
fdoExtension->SectorShift);
|
||
|
||
fdoExtension->CommonExtension.PartitionLength.QuadPart =
|
||
(LONGLONG)capacity->NumberOfBlocks *
|
||
capacity->BlockLength;
|
||
|
||
DebugPrint((2,"geometry is: %3d %2d %d %2d %4d %2d %08X\n",
|
||
fdoExtension->DiskGeometry.Cylinders.LowPart,
|
||
fdoExtension->DiskGeometry.MediaType,
|
||
fdoExtension->DiskGeometry.TracksPerCylinder,
|
||
fdoExtension->DiskGeometry.SectorsPerTrack,
|
||
fdoExtension->DiskGeometry.BytesPerSector,
|
||
fdoExtension->SectorShift,
|
||
fdoExtension->CommonExtension.PartitionLength.LowPart));
|
||
}
|
||
|
||
// Free everything we allocated
|
||
//
|
||
ExFreePool(parameterList);
|
||
ExFreePool(srb);
|
||
|
||
return status;
|
||
}
|