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Process IOCTL_CDROM_GET_DRIVE_GEOMETRY asynchronously.

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svn path=/trunk/; revision=6559
This commit is contained in:
Eric Kohl 2003-11-07 17:14:22 +00:00
parent 31433cf91f
commit 0372ed1758
1 changed files with 120 additions and 25 deletions
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145
reactos/drivers/storage/cdrom/cdrom.c
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@ -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 1.23 2003/11/07 12:56:26 ekohl Exp $
/* $Id: cdrom.c,v 1.24 2003/11/07 17:14:22 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -821,29 +821,12 @@ CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
Status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
else
{
PDISK_GEOMETRY Geometry;
if (DeviceExtension->DiskGeometry == NULL)
{
DPRINT("No cdrom geometry available!\n");
DeviceExtension->DiskGeometry = ExAllocatePool(NonPagedPool,
sizeof(DISK_GEOMETRY));
}
Status = ScsiClassReadDriveCapacity(DeviceObject);
if (NT_SUCCESS(Status))
{
Geometry = (PDISK_GEOMETRY)Irp->AssociatedIrp.SystemBuffer;
RtlMoveMemory(Geometry,
DeviceExtension->DiskGeometry,
sizeof(DISK_GEOMETRY));
Status = STATUS_SUCCESS;
Information = sizeof(DISK_GEOMETRY);
}
}
break;
IoMarkIrpPending (Irp);
IoStartPacket (DeviceObject,
Irp,
NULL,
NULL);
return STATUS_PENDING;
case IOCTL_CDROM_CHECK_VERIFY:
DPRINT ("IOCTL_CDROM_CHECK_VERIFY\n");
@ -976,6 +959,7 @@ CdromClassStartIo (IN PDEVICE_OBJECT DeviceObject,
PSCSI_REQUEST_BLOCK Srb;
PIRP SubIrp;
PUCHAR SenseBuffer;
PVOID DataBuffer;
PCDB Cdb;
DPRINT("CdromClassStartIo() called!\n");
@ -1115,13 +1099,66 @@ CdromClassStartIo (IN PDEVICE_OBJECT DeviceObject,
switch (IrpStack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_CDROM_GET_DRIVE_GEOMETRY:
DPRINT1 ("CdromClassStartIo: IOCTL_CDROM_GET_DRIVE_GEOMETRY\n");
Srb->DataTransferLength = sizeof(READ_CAPACITY_DATA);
Srb->CdbLength = 10;
Srb->TimeOutValue = DeviceExtension->TimeOutValue;
Srb->SrbFlags = SRB_FLAGS_DISABLE_SYNCH_TRANSFER | SRB_FLAGS_DATA_IN;
/* Allocate data buffer */
DataBuffer = ExAllocatePool (NonPagedPoolCacheAligned,
sizeof(READ_CAPACITY_DATA));
if (DataBuffer == NULL)
{
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest (Irp,
IO_DISK_INCREMENT);
ExFreePool (SenseBuffer);
ExFreePool (Srb);
IoFreeIrp (SubIrp);
IoStartNextPacket (DeviceObject,
FALSE);
return;
}
/* Allocate an MDL for the data buffer */
SubIrp->MdlAddress = IoAllocateMdl (DataBuffer,
sizeof(READ_CAPACITY_DATA),
FALSE,
FALSE,
NULL);
if (SubIrp->MdlAddress == NULL)
{
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest (Irp,
IO_DISK_INCREMENT);
ExFreePool (DataBuffer);
ExFreePool (SenseBuffer);
ExFreePool (Srb);
IoFreeIrp (SubIrp);
IoStartNextPacket (DeviceObject,
FALSE);
return;
}
MmBuildMdlForNonPagedPool (SubIrp->MdlAddress);
Srb->DataBuffer = DataBuffer;
Cdb->CDB10.OperationCode = SCSIOP_READ_CAPACITY;
IoCallDriver (DeviceExtension->PortDeviceObject,
SubIrp);
return;
case IOCTL_CDROM_CHECK_VERIFY:
DPRINT ("CdromClassStartIo: IOCTL_CDROM_CHECK_VERIFY\n");
Srb->CdbLength = 6;
Srb->TimeOutValue = DeviceExtension->TimeOutValue * 2;
Srb->SrbFlags = SRB_FLAGS_NO_DATA_TRANSFER;
Cdb->CDB6GENERIC.OperationCode = SCSIOP_TEST_UNIT_READY;
IoCallDriver (DeviceExtension->PortDeviceObject,
SubIrp);
return;
@ -1192,6 +1229,55 @@ CdromDeviceControlCompletion (IN PDEVICE_OBJECT DeviceObject,
{
switch (OrigCurrentIrpStack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_CDROM_GET_DRIVE_GEOMETRY:
{
PREAD_CAPACITY_DATA CapacityBuffer;
ULONG LastSector;
ULONG SectorSize;
DPRINT1 ("CdromClassControlCompletion: IOCTL_CDROM_GET_DRIVE_GEOMETRY\n");
CapacityBuffer = (PREAD_CAPACITY_DATA)Srb->DataBuffer;
SectorSize = (((PUCHAR)&CapacityBuffer->BytesPerBlock)[0] << 24) |
(((PUCHAR)&CapacityBuffer->BytesPerBlock)[1] << 16) |
(((PUCHAR)&CapacityBuffer->BytesPerBlock)[2] << 8) |
((PUCHAR)&CapacityBuffer->BytesPerBlock)[3];
LastSector = (((PUCHAR)&CapacityBuffer->LogicalBlockAddress)[0] << 24) |
(((PUCHAR)&CapacityBuffer->LogicalBlockAddress)[1] << 16) |
(((PUCHAR)&CapacityBuffer->LogicalBlockAddress)[2] << 8) |
((PUCHAR)&CapacityBuffer->LogicalBlockAddress)[3];
if (SectorSize == 0)
SectorSize = 2048;
DeviceExtension->DiskGeometry->BytesPerSector = SectorSize;
DeviceExtension->PartitionLength.QuadPart = (LONGLONG)(LastSector + 1);
WHICH_BIT(DeviceExtension->DiskGeometry->BytesPerSector,
DeviceExtension->SectorShift);
DeviceExtension->PartitionLength.QuadPart =
(DeviceExtension->PartitionLength.QuadPart << DeviceExtension->SectorShift);
if (DeviceObject->Characteristics & FILE_REMOVABLE_MEDIA)
{
DeviceExtension->DiskGeometry->MediaType = RemovableMedia;
}
else
{
DeviceExtension->DiskGeometry->MediaType = FixedMedia;
}
DeviceExtension->DiskGeometry->Cylinders.QuadPart =
(LONGLONG)((LastSector + 1)/(32 * 64));
DeviceExtension->DiskGeometry->SectorsPerTrack = 32;
DeviceExtension->DiskGeometry->TracksPerCylinder = 64;
RtlCopyMemory (OrigIrp->AssociatedIrp.SystemBuffer,
DeviceExtension->DiskGeometry,
sizeof(DISK_GEOMETRY));
OrigIrp->IoStatus.Information = sizeof(DISK_GEOMETRY);
}
break;
case IOCTL_CDROM_CHECK_VERIFY:
DPRINT ("CdromDeviceControlCompletion: IOCTL_CDROM_CHECK_VERIFY\n");
if (OrigCurrentIrpStack->Parameters.DeviceIoControl.OutputBufferLength != 0)
@ -1220,6 +1306,9 @@ CdromDeviceControlCompletion (IN PDEVICE_OBJECT DeviceObject,
{
DPRINT("Srb %p\n", Srb);
if (Srb->DataBuffer != NULL)
ExFreePool (Srb->DataBuffer);
if (Srb->SenseInfoBuffer != NULL)
ExFreePool (Srb->SenseInfoBuffer);
@ -1231,6 +1320,12 @@ CdromDeviceControlCompletion (IN PDEVICE_OBJECT DeviceObject,
IoMarkIrpPending (OrigIrp);
}
/* Release the MDL */
if (Irp->MdlAddress != NULL)
{
IoFreeMdl (Irp->MdlAddress);
}
/* Release the sub irp */
IoFreeIrp (Irp);