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added support for IOCTL_CDROM_GET_LAST_SESSION.

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svn path=/trunk/; revision=3511
This commit is contained in:
Hartmut Birr 2002-09-17 20:35:22 +00:00
parent 11e344c9df
commit fe3896a798
2 changed files with 48 additions and 2 deletions
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47
reactos/drivers/storage/cdrom/cdrom.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: cdrom.c,v 1.15 2002/09/15 22:19:16 hbirr Exp $
/* $Id: cdrom.c,v 1.16 2002/09/17 20:35:21 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -552,6 +552,32 @@ CdromClassReadTocEntry(PDEVICE_OBJECT DeviceObject, UINT TrackNo, PVOID Buffer,
FALSE);
}
static NTSTATUS
CdromClassReadLastSession(PDEVICE_OBJECT DeviceObject, UINT TrackNo, PVOID Buffer, UINT Length)
{
PDEVICE_EXTENSION DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
SCSI_REQUEST_BLOCK Srb;
PCDB Cdb;
RtlZeroMemory(&Srb, sizeof(SCSI_REQUEST_BLOCK));
Srb.CdbLength = 10;
Srb.TimeOutValue = DeviceExtension->TimeOutValue;
Cdb = (PCDB)Srb.Cdb;
Cdb->READ_TOC.OperationCode = SCSIOP_READ_TOC;
Cdb->READ_TOC.StartingTrack = TrackNo;
Cdb->READ_TOC.Format = 1;
Cdb->READ_TOC.AllocationLength[0] = Length >> 8;
Cdb->READ_TOC.AllocationLength[1] = Length & 0xff;
Cdb->READ_TOC.Msf = 0;
return ScsiClassSendSrbSynchronous(DeviceObject,
&Srb,
Buffer,
Length,
FALSE);
}
/**********************************************************************
* NAME EXPORTED
* CdromClassDeviceControl
@ -661,6 +687,25 @@ CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
}
}
break;
case IOCTL_CDROM_GET_LAST_SESSION:
DPRINT("IOCTL_CDROM_GET_LAST_SESSION\n");
if (IrpStack->Parameters.DeviceIoControl.OutputBufferLength < 4 + sizeof(TRACK_DATA))
{
Status = STATUS_INFO_LENGTH_MISMATCH;
}
else
{
USHORT Length;
PCDROM_TOC TocBuffer = Irp->AssociatedIrp.SystemBuffer;
Length = 4 + sizeof(TRACK_DATA);
Status = CdromClassReadLastSession(DeviceObject, 0, TocBuffer, Length);
if (NT_SUCCESS(Status))
{
Information = Length;
}
}
break;
default:
/* Call the common device control function */
return(ScsiClassDeviceControl(DeviceObject, Irp));

3
reactos/include/ntos/cdrom.h
View file

@ -1,4 +1,4 @@
/* $Id: cdrom.h,v 1.2 2002/09/15 22:19:16 hbirr Exp $
/* $Id: cdrom.h,v 1.3 2002/09/17 20:35:22 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -13,6 +13,7 @@
#define __INCLUDE_NTOS_CDROM_H
#define IOCTL_CDROM_READ_TOC CTL_CODE(FILE_DEVICE_CD_ROM, 0x0000, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_CDROM_GET_LAST_SESSION CTL_CODE(FILE_DEVICE_CD_ROM, 0x000E, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_CDROM_GET_DRIVE_GEOMETRY CTL_CODE(FILE_DEVICE_CD_ROM, 0x0013, METHOD_BUFFERED, FILE_READ_ACCESS)
#define MAXIMUM_NUMBER_TRACKS 100