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Implemented FloppyDispatchDeviceControl for IOCTL_DISK_GET_DRIVE_GEOMETRY (not complete).

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svn path=/trunk/; revision=2734
This commit is contained in:
Hartmut Birr 2002-03-17 22:28:22 +00:00
parent 3f6956a59c
commit 933c073785
1 changed files with 36 additions and 1 deletions
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37
reactos/drivers/dd/floppy/floppy.c
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@ -468,8 +468,43 @@ NTSTATUS STDCALL
FloppyDispatchDeviceControl(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
PIO_STACK_LOCATION IrpStack;
ULONG ControlCode, InputLength, OutputLength;
NTSTATUS Status;
DPRINT("FloppyDispatchDeviceControl\n");
return(STATUS_UNSUCCESSFUL);
IrpStack = IoGetCurrentIrpStackLocation(Irp);
ControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode;
InputLength = IrpStack->Parameters.DeviceIoControl.InputBufferLength;
OutputLength = IrpStack->Parameters.DeviceIoControl.OutputBufferLength;
switch (ControlCode)
{
case IOCTL_DISK_GET_DRIVE_GEOMETRY:
if (OutputLength < sizeof(DISK_GEOMETRY))
{
Status = STATUS_INVALID_PARAMETER;
}
else
{
PDISK_GEOMETRY Geometry = Irp->AssociatedIrp.SystemBuffer;
// FIXME: read the first sector of the diskette
Geometry->MediaType = F3_1Pt44_512;
Geometry->Cylinders.QuadPart = 80;
Geometry->TracksPerCylinder = 2 * 18;
Geometry->SectorsPerTrack = 18;
Geometry->BytesPerSector = 512;
Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof(DISK_GEOMETRY);
}
break;
default:
Status = STATUS_INVALID_DEVICE_REQUEST;
}
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, NT_SUCCESS(Status) ? IO_DISK_INCREMENT : IO_NO_INCREMENT);
return Status;
}
/* ModuleEntry