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[CLASS2]

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Switch use from DISK_GEOMETRY to DISK_GEOMETRY_EX. It's needed to handle some Windows 2003's kernel routines.

[CDROM]
Reflect changes in Class2.

[DISK]
Reflect changes in Class2.
Also added support for IOCTL_DISK_GET_DRIVE_GEOMETRY_EX.

svn path=/trunk/; revision=49129
This commit is contained in:
Pierre Schweitzer
2010-10-12 20:17:55 +00:00
parent 7b8d28a209
commit 466f11a06e
4 changed files with 88 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files
reactos/drivers/storage/class/cdrom/cdrom.c
+27 -27
View File
@@ -955,7 +955,7 @@ Return Value:
//
deviceExtension->DiskGeometry =
ExAllocatePool(NonPagedPool, sizeof(DISK_GEOMETRY));
ExAllocatePool(NonPagedPool, sizeof(DISK_GEOMETRY_EX));
if (deviceExtension->DiskGeometry == NULL) {
@@ -1006,7 +1006,7 @@ Return Value:
//
status = ScsiClassReadDriveCapacity(deviceObject);
bps = deviceExtension->DiskGeometry->BytesPerSector;
bps = deviceExtension->DiskGeometry->Geometry.BytesPerSector;
if (!NT_SUCCESS(status) || !bps) {
@@ -1037,7 +1037,7 @@ Return Value:
bps = 1 << lastBit;
}
deviceExtension->DiskGeometry->BytesPerSector = bps;
deviceExtension->DiskGeometry->Geometry.BytesPerSector = bps;
DebugPrint((2, "CreateCdRomDeviceObject: Calc'd bps = %x\n", bps));
//
@@ -2828,12 +2828,12 @@ Return Value:
startingOffset.QuadPart = currentIrpStack->Parameters.Read.ByteOffset.QuadPart +
transferByteCount;
if (!deviceExtension->DiskGeometry->BytesPerSector) {
deviceExtension->DiskGeometry->BytesPerSector = 2048;
if (!deviceExtension->DiskGeometry->Geometry.BytesPerSector) {
deviceExtension->DiskGeometry->Geometry.BytesPerSector = 2048;
}
if ((startingOffset.QuadPart > deviceExtension->PartitionLength.QuadPart) ||
(transferByteCount & (deviceExtension->DiskGeometry->BytesPerSector - 1))) {
(transferByteCount & (deviceExtension->DiskGeometry->Geometry.BytesPerSector - 1))) {
DebugPrint((1,"ScsiCdRomRead: Invalid I/O parameters\n"));
DebugPrint((1, "\toffset %x:%x, Length %x:%x\n",
@@ -2841,7 +2841,7 @@ Return Value:
startingOffset.u.LowPart,
deviceExtension->PartitionLength.u.HighPart,
deviceExtension->PartitionLength.u.LowPart));
DebugPrint((1, "\tbps %x\n", deviceExtension->DiskGeometry->BytesPerSector));
DebugPrint((1, "\tbps %x\n", deviceExtension->DiskGeometry->Geometry.BytesPerSector));
//
// Fail request with status of invalid parameters.
@@ -3059,11 +3059,11 @@ CdRomDeviceControlCompletion(
bps = 1 << lastBit;
}
deviceExtension->DiskGeometry->BytesPerSector = bps;
deviceExtension->DiskGeometry->Geometry.BytesPerSector = bps;
DebugPrint((2,
"CdRomDeviceControlCompletion: Calculated bps %#x\n",
deviceExtension->DiskGeometry->BytesPerSector));
deviceExtension->DiskGeometry->Geometry.BytesPerSector));
//
// Copy last sector in reverse byte order.
@@ -3082,7 +3082,7 @@ CdRomDeviceControlCompletion(
WHICH_BIT(bps, deviceExtension->SectorShift);
DebugPrint((2,"SCSI ScsiClassReadDriveCapacity: Sector size is %d\n",
deviceExtension->DiskGeometry->BytesPerSector));
deviceExtension->DiskGeometry->Geometry.BytesPerSector));
DebugPrint((2,"SCSI ScsiClassReadDriveCapacity: Number of Sectors is %d\n",
lastSector + 1));
@@ -3097,7 +3097,7 @@ CdRomDeviceControlCompletion(
// Calculate number of cylinders.
//
deviceExtension->DiskGeometry->Cylinders.QuadPart = (LONGLONG)((lastSector + 1)/(32 * 64));
deviceExtension->DiskGeometry->Geometry.Cylinders.QuadPart = (LONGLONG)((lastSector + 1)/(32 * 64));
deviceExtension->PartitionLength.QuadPart =
(deviceExtension->PartitionLength.QuadPart << deviceExtension->SectorShift);
@@ -3108,7 +3108,7 @@ CdRomDeviceControlCompletion(
// This device supports removable media.
//
deviceExtension->DiskGeometry->MediaType = RemovableMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = RemovableMedia;
} else {
@@ -3116,20 +3116,20 @@ CdRomDeviceControlCompletion(
// Assume media type is fixed disk.
//
deviceExtension->DiskGeometry->MediaType = FixedMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = FixedMedia;
}
//
// Assume sectors per track are 32;
//
deviceExtension->DiskGeometry->SectorsPerTrack = 32;
deviceExtension->DiskGeometry->Geometry.SectorsPerTrack = 32;
//
// Assume tracks per cylinder (number of heads) is 64.
//
deviceExtension->DiskGeometry->TracksPerCylinder = 64;
deviceExtension->DiskGeometry->Geometry.TracksPerCylinder = 64;
//
// Copy the device extension's geometry info into the user buffer.
@@ -6530,7 +6530,7 @@ Return Value:
//
from = (PFOUR_BYTE) &readCapacityBuffer->BytesPerBlock;
to = (PFOUR_BYTE) &deviceExtension->DiskGeometry->BytesPerSector;
to = (PFOUR_BYTE) &deviceExtension->DiskGeometry->Geometry.BytesPerSector;
to->Byte0 = from->Byte3;
to->Byte1 = from->Byte2;
to->Byte2 = from->Byte1;
@@ -6540,7 +6540,7 @@ Return Value:
// Using the new BytesPerBlock, calculate and store the SectorShift.
//
WHICH_BIT(deviceExtension->DiskGeometry->BytesPerSector, deviceExtension->SectorShift);
WHICH_BIT(deviceExtension->DiskGeometry->Geometry.BytesPerSector, deviceExtension->SectorShift);
//
// Copy last sector in reverse byte order.
@@ -6558,22 +6558,22 @@ Return Value:
// Calculate number of cylinders.
//
deviceExtension->DiskGeometry->Cylinders.QuadPart = (LONGLONG)((lastSector + 1)/(32 * 64));
deviceExtension->DiskGeometry->Geometry.Cylinders.QuadPart = (LONGLONG)((lastSector + 1)/(32 * 64));
deviceExtension->PartitionLength.QuadPart =
(deviceExtension->PartitionLength.QuadPart << deviceExtension->SectorShift);
deviceExtension->DiskGeometry->MediaType = RemovableMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = RemovableMedia;
//
// Assume sectors per track are 32;
//
deviceExtension->DiskGeometry->SectorsPerTrack = 32;
deviceExtension->DiskGeometry->Geometry.SectorsPerTrack = 32;
//
// Assume tracks per cylinder (number of heads) is 64.
//
deviceExtension->DiskGeometry->TracksPerCylinder = 64;
deviceExtension->DiskGeometry->Geometry.TracksPerCylinder = 64;
} else {
@@ -6660,11 +6660,11 @@ Return Value:
//
originalIrp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
RtlZeroMemory(deviceExtension->DiskGeometry, sizeof(DISK_GEOMETRY));
deviceExtension->DiskGeometry->BytesPerSector = 2048;
RtlZeroMemory(deviceExtension->DiskGeometry, sizeof(DISK_GEOMETRY_EX));
deviceExtension->DiskGeometry->Geometry.BytesPerSector = 2048;
deviceExtension->SectorShift = 11;
deviceExtension->PartitionLength.QuadPart = (LONGLONG)(0x7fffffff);
deviceExtension->DiskGeometry->MediaType = RemovableMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = RemovableMedia;
}
} else {
@@ -6672,11 +6672,11 @@ Return Value:
// Set up reasonable defaults
//
RtlZeroMemory(deviceExtension->DiskGeometry, sizeof(DISK_GEOMETRY));
deviceExtension->DiskGeometry->BytesPerSector = 2048;
RtlZeroMemory(deviceExtension->DiskGeometry, sizeof(DISK_GEOMETRY_EX));
deviceExtension->DiskGeometry->Geometry.BytesPerSector = 2048;
deviceExtension->SectorShift = 11;
deviceExtension->PartitionLength.QuadPart = (LONGLONG)(0x7fffffff);
deviceExtension->DiskGeometry->MediaType = RemovableMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = RemovableMedia;
}
}
reactos/drivers/storage/class/class2/class2.c
+16 -16
View File
@@ -748,16 +748,16 @@ Retry:
// in reverse byte order.
//
((PFOUR_BYTE)&deviceExtension->DiskGeometry->BytesPerSector)->Byte0 =
((PFOUR_BYTE)&deviceExtension->DiskGeometry->Geometry.BytesPerSector)->Byte0 =
((PFOUR_BYTE)&readCapacityBuffer->BytesPerBlock)->Byte3;
((PFOUR_BYTE)&deviceExtension->DiskGeometry->BytesPerSector)->Byte1 =
((PFOUR_BYTE)&deviceExtension->DiskGeometry->Geometry.BytesPerSector)->Byte1 =
((PFOUR_BYTE)&readCapacityBuffer->BytesPerBlock)->Byte2;
((PFOUR_BYTE)&deviceExtension->DiskGeometry->BytesPerSector)->Byte2 =
((PFOUR_BYTE)&deviceExtension->DiskGeometry->Geometry.BytesPerSector)->Byte2 =
((PFOUR_BYTE)&readCapacityBuffer->BytesPerBlock)->Byte1;
((PFOUR_BYTE)&deviceExtension->DiskGeometry->BytesPerSector)->Byte3 =
((PFOUR_BYTE)&deviceExtension->DiskGeometry->Geometry.BytesPerSector)->Byte3 =
((PFOUR_BYTE)&readCapacityBuffer->BytesPerBlock)->Byte0;
//
@@ -780,10 +780,10 @@ Retry:
// Calculate sector to byte shift.
//
WHICH_BIT(deviceExtension->DiskGeometry->BytesPerSector, deviceExtension->SectorShift);
WHICH_BIT(deviceExtension->DiskGeometry->Geometry.BytesPerSector, deviceExtension->SectorShift);
DebugPrint((2,"SCSI ScsiClassReadDriveCapacity: Sector size is %d\n",
deviceExtension->DiskGeometry->BytesPerSector));
deviceExtension->DiskGeometry->Geometry.BytesPerSector));
DebugPrint((2,"SCSI ScsiClassReadDriveCapacity: Number of Sectors is %d\n",
lastSector + 1));
@@ -798,7 +798,7 @@ Retry:
// Calculate number of cylinders.
//
deviceExtension->DiskGeometry->Cylinders.QuadPart = (LONGLONG)((lastSector + 1)/(32 * 64));
deviceExtension->DiskGeometry->Geometry.Cylinders.QuadPart = (LONGLONG)((lastSector + 1)/(32 * 64));
deviceExtension->PartitionLength.QuadPart =
(deviceExtension->PartitionLength.QuadPart << deviceExtension->SectorShift);
@@ -809,7 +809,7 @@ Retry:
// This device supports removable media.
//
deviceExtension->DiskGeometry->MediaType = RemovableMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = RemovableMedia;
} else {
@@ -817,20 +817,20 @@ Retry:
// Assume media type is fixed disk.
//
deviceExtension->DiskGeometry->MediaType = FixedMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = FixedMedia;
}
//
// Assume sectors per track are 32;
//
deviceExtension->DiskGeometry->SectorsPerTrack = 32;
deviceExtension->DiskGeometry->Geometry.SectorsPerTrack = 32;
//
// Assume tracks per cylinder (number of heads) is 64.
//
deviceExtension->DiskGeometry->TracksPerCylinder = 64;
deviceExtension->DiskGeometry->Geometry.TracksPerCylinder = 64;
}
if (status == STATUS_VERIFY_REQUIRED) {
@@ -860,8 +860,8 @@ Retry:
// except for the bytes per sector and sector shift.
//
RtlZeroMemory(deviceExtension->DiskGeometry, sizeof(DISK_GEOMETRY));
deviceExtension->DiskGeometry->BytesPerSector = 512;
RtlZeroMemory(deviceExtension->DiskGeometry, sizeof(DISK_GEOMETRY_EX));
deviceExtension->DiskGeometry->Geometry.BytesPerSector = 512;
deviceExtension->SectorShift = 9;
deviceExtension->PartitionLength.QuadPart = (LONGLONG) 0;
@@ -871,7 +871,7 @@ Retry:
// This device supports removable media.
//
deviceExtension->DiskGeometry->MediaType = RemovableMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = RemovableMedia;
} else {
@@ -879,7 +879,7 @@ Retry:
// Assume media type is fixed disk.
//
deviceExtension->DiskGeometry->MediaType = FixedMedia;
deviceExtension->DiskGeometry->Geometry.MediaType = FixedMedia;
}
}
@@ -2752,7 +2752,7 @@ Return Value:
errorLogEntry->DeviceOffset.QuadPart = (LONGLONG) badSector;
errorLogEntry->DeviceOffset = RtlExtendedIntegerMultiply(
errorLogEntry->DeviceOffset,
deviceExtension->DiskGeometry->BytesPerSector);
deviceExtension->DiskGeometry->Geometry.BytesPerSector);
}
errorLogEntry->ErrorCode = logStatus;
reactos/drivers/storage/class/disk/disk.c
+44 -31
View File
@@ -652,7 +652,7 @@ Return Value:
NTSTATUS status;
PDEVICE_OBJECT deviceObject = NULL;
PDEVICE_OBJECT physicalDevice;
PDISK_GEOMETRY diskGeometry = NULL;
PDISK_GEOMETRY_EX diskGeometry = NULL;
PDEVICE_EXTENSION deviceExtension = NULL;
PDEVICE_EXTENSION physicalDeviceExtension;
UCHAR pathId = LunInfo->PathId;
@@ -880,7 +880,7 @@ Return Value:
// Allocate buffer for drive geometry.
//
diskGeometry = ExAllocatePool(NonPagedPool, sizeof(DISK_GEOMETRY));
diskGeometry = ExAllocatePool(NonPagedPool, sizeof(DISK_GEOMETRY_EX));
if (diskGeometry == NULL) {
@@ -1065,7 +1065,7 @@ CreatePartitionDeviceObjects(
ULONG partitionNumber = 0;
NTSTATUS status;
PDEVICE_OBJECT deviceObject = NULL;
PDISK_GEOMETRY diskGeometry = NULL;
PDISK_GEOMETRY_EX diskGeometry = NULL;
PDRIVE_LAYOUT_INFORMATION partitionList = NULL;
PDEVICE_EXTENSION deviceExtension;
PDEVICE_EXTENSION physicalDeviceExtension;
@@ -1087,7 +1087,7 @@ CreatePartitionDeviceObjects(
physicalDeviceExtension = PhysicalDeviceObject->DeviceExtension;
diskGeometry = physicalDeviceExtension->DiskGeometry;
bytesPerSector = diskGeometry->BytesPerSector;
bytesPerSector = diskGeometry->Geometry.BytesPerSector;
//
// Make sure sector size is not zero.
@@ -1099,7 +1099,7 @@ CreatePartitionDeviceObjects(
// Default sector size for disk is 512.
//
bytesPerSector = diskGeometry->BytesPerSector = 512;
bytesPerSector = diskGeometry->Geometry.BytesPerSector = 512;
}
sectorShift = physicalDeviceExtension->SectorShift;
@@ -1118,7 +1118,7 @@ CreatePartitionDeviceObjects(
//
HalExamineMBR(PhysicalDeviceObject,
physicalDeviceExtension->DiskGeometry->BytesPerSector,
physicalDeviceExtension->DiskGeometry->Geometry.BytesPerSector,
(ULONG)0x54,
(PVOID)&dmSkew);
@@ -1149,7 +1149,7 @@ CreatePartitionDeviceObjects(
//
status = IoReadPartitionTable(PhysicalDeviceObject,
physicalDeviceExtension->DiskGeometry->BytesPerSector,
physicalDeviceExtension->DiskGeometry->Geometry.BytesPerSector,
TRUE,
(PVOID)&partitionList);
@@ -1432,7 +1432,7 @@ CreatePartitionDeviceObjects(
//
deviceExtension->TimeOutValue = physicalDeviceExtension->TimeOutValue;
deviceExtension->DiskGeometry->BytesPerSector = bytesPerSector;
deviceExtension->DiskGeometry->Geometry.BytesPerSector = bytesPerSector;
deviceExtension->SectorShift = sectorShift;
deviceExtension->DeviceObject = deviceObject;
deviceExtension->DeviceFlags |= physicalDeviceExtension->DeviceFlags;
@@ -1512,7 +1512,7 @@ Return Value:
transferByteCount);
if ((startingOffset.QuadPart > deviceExtension->PartitionLength.QuadPart) ||
(transferByteCount & (deviceExtension->DiskGeometry->BytesPerSector - 1))) {
(transferByteCount & (deviceExtension->DiskGeometry->Geometry.BytesPerSector - 1))) {
//
// This error maybe caused by the fact that the drive is not ready.
@@ -2014,6 +2014,7 @@ Return Value:
}
case IOCTL_DISK_GET_DRIVE_GEOMETRY:
case IOCTL_DISK_GET_DRIVE_GEOMETRY_EX:
{
PDEVICE_EXTENSION physicalDeviceExtension;
@@ -2021,8 +2022,12 @@ Return Value:
BOOLEAN removable = FALSE;
BOOLEAN listInitialized = FALSE;
if ( irpStack->Parameters.DeviceIoControl.OutputBufferLength <
sizeof( DISK_GEOMETRY ) ) {
if ((irpStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_DISK_GET_DRIVE_GEOMETRY &&
irpStack->Parameters.DeviceIoControl.OutputBufferLength <
sizeof(DISK_GEOMETRY)) ||
(irpStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_DISK_GET_DRIVE_GEOMETRY_EX &&
irpStack->Parameters.DeviceIoControl.OutputBufferLength <
sizeof(DISK_GEOMETRY_EX))) {
status = STATUS_INFO_LENGTH_MISMATCH;
break;
@@ -2083,10 +2088,15 @@ Return Value:
RtlMoveMemory(Irp->AssociatedIrp.SystemBuffer,
deviceExtension->DiskGeometry,
sizeof(DISK_GEOMETRY));
(irpStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_DISK_GET_DRIVE_GEOMETRY) ?
sizeof(DISK_GEOMETRY) :
sizeof(DISK_GEOMETRY_EX));
status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof(DISK_GEOMETRY);
Irp->IoStatus.Information =
(irpStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_DISK_GET_DRIVE_GEOMETRY) ?
sizeof(DISK_GEOMETRY) :
sizeof(DISK_GEOMETRY_EX);
}
break;
@@ -2285,7 +2295,7 @@ Return Value:
status = IoSetPartitionInformation(
deviceExtension->PhysicalDevice,
deviceExtension->DiskGeometry->BytesPerSector,
deviceExtension->DiskGeometry->Geometry.BytesPerSector,
diskData->PartitionOrdinal,
inputBuffer->PartitionType);
@@ -2323,7 +2333,7 @@ Return Value:
//
status = IoReadPartitionTable(deviceExtension->PhysicalDevice,
deviceExtension->DiskGeometry->BytesPerSector,
deviceExtension->DiskGeometry->Geometry.BytesPerSector,
FALSE,
&partitionList);
@@ -2504,9 +2514,9 @@ Return Value:
status = IoWritePartitionTable(
deviceExtension->DeviceObject,
deviceExtension->DiskGeometry->BytesPerSector,
deviceExtension->DiskGeometry->SectorsPerTrack,
deviceExtension->DiskGeometry->TracksPerCylinder,
deviceExtension->DiskGeometry->Geometry.BytesPerSector,
deviceExtension->DiskGeometry->Geometry.SectorsPerTrack,
deviceExtension->DiskGeometry->Geometry.TracksPerCylinder,
partitionList);
}
@@ -3455,7 +3465,7 @@ Return Value:
// Get sector size.
//
sectorSize = DeviceExtension->DiskGeometry->BytesPerSector;
sectorSize = DeviceExtension->DiskGeometry->Geometry.BytesPerSector;
//
// Make sure sector size is at least 512 bytes.
@@ -4102,9 +4112,11 @@ diskMatched:
// Update the actual geometry information.
//
DeviceExtension->DiskGeometry->SectorsPerTrack = sectorsPerTrack;
DeviceExtension->DiskGeometry->TracksPerCylinder = tracksPerCylinder;
DeviceExtension->DiskGeometry->Cylinders.QuadPart = (LONGLONG)cylinders;
DeviceExtension->DiskGeometry->Geometry.SectorsPerTrack = sectorsPerTrack;
DeviceExtension->DiskGeometry->Geometry.TracksPerCylinder = tracksPerCylinder;
DeviceExtension->DiskGeometry->Geometry.Cylinders.QuadPart = (LONGLONG)cylinders;
DeviceExtension->DiskGeometry->DiskSize.QuadPart = cylinders * tracksPerCylinder * sectorsPerTrack *
DeviceExtension->DiskGeometry->Geometry.BytesPerSector;
DebugPrint((3,
"SCSIDISK: UpdateGeometry: BIOS spt %x, #heads %x, #cylinders %x\n",
@@ -4119,7 +4131,7 @@ diskMatched:
if (!DeviceExtension->DMActive) {
HalExamineMBR(DeviceExtension->DeviceObject,
DeviceExtension->DiskGeometry->BytesPerSector,
DeviceExtension->DiskGeometry->Geometry.BytesPerSector,
(ULONG)0x55,
&tmpPtr
);
@@ -4155,18 +4167,19 @@ diskMatched:
cylinders -= 1;
DeviceExtension->DiskGeometry->Cylinders.QuadPart = cylinders + 1;
DeviceExtension->DiskGeometry->TracksPerCylinder = tracksPerCylinder + 1;
DeviceExtension->DiskGeometry->Geometry.Cylinders.QuadPart = cylinders + 1;
DeviceExtension->DiskGeometry->Geometry.TracksPerCylinder = tracksPerCylinder + 1;
DeviceExtension->PartitionLength.QuadPart =
DeviceExtension->DiskGeometry->Cylinders.QuadPart *
DeviceExtension->DiskGeometry->SectorsPerTrack *
DeviceExtension->DiskGeometry->BytesPerSector *
DeviceExtension->DiskGeometry->TracksPerCylinder;
DeviceExtension->DiskGeometry->DiskSize.QuadPart =
DeviceExtension->DiskGeometry->Geometry.Cylinders.QuadPart *
DeviceExtension->DiskGeometry->Geometry.SectorsPerTrack *
DeviceExtension->DiskGeometry->Geometry.BytesPerSector *
DeviceExtension->DiskGeometry->Geometry.TracksPerCylinder;
if (DeviceExtension->DMActive) {
DeviceExtension->DMByteSkew = DeviceExtension->DMSkew * DeviceExtension->DiskGeometry->BytesPerSector;
DeviceExtension->DMByteSkew = DeviceExtension->DMSkew * DeviceExtension->DiskGeometry->Geometry.BytesPerSector;
}
@@ -4250,7 +4263,7 @@ Return Value:
//
status = IoReadPartitionTable(deviceExtension->PhysicalDevice,
deviceExtension->DiskGeometry->BytesPerSector,
deviceExtension->DiskGeometry->Geometry.BytesPerSector,
TRUE,
&partitionList);
reactos/drivers/storage/class/include/class2.h
+1 -1
View File
@@ -112,7 +112,7 @@ typedef struct _DEVICE_EXTENSION
PCLASS_CREATE_CLOSE ClassCreateClose;
PDRIVER_STARTIO ClassStartIo;
PIO_SCSI_CAPABILITIES PortCapabilities;
PDISK_GEOMETRY DiskGeometry;
PDISK_GEOMETRY_EX DiskGeometry;
PDEVICE_OBJECT PhysicalDevice;
PSENSE_DATA SenseData;
ULONG TimeOutValue;