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Completed IOCTL_DISK_CHECK_VERIFY.
Fixed a retry bug. svn path=/trunk/; revision=6616
This commit is contained in:
Eric Kohl
parent
932bfadaa5
commit
fe56ee2b4d
1 changed files with 152 additions and 24 deletions
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: class2.c,v 1.44 2003/11/07 11:48:59 ekohl Exp $
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/* $Id: class2.c,v 1.45 2003/11/11 15:31:31 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -65,7 +65,14 @@ ScsiClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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static VOID
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ScsiClassRetryRequest (PDEVICE_OBJECT DeviceObject,
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PIRP Irp, PSCSI_REQUEST_BLOCK Srb, BOOLEAN Associated);
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PIRP Irp,
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PSCSI_REQUEST_BLOCK Srb,
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BOOLEAN Associated);
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static NTSTATUS STDCALL
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ScsiClassCheckVerifyCompletion (IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PVOID Context);
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/* FUNCTIONS ****************************************************************/
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@ -454,6 +461,7 @@ ScsiClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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ULONG ModifiedControlCode;
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PSCSI_REQUEST_BLOCK Srb;
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PCDB Cdb;
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PIRP SubIrp;
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DPRINT("ScsiClassDeviceControl() called\n");
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@ -573,6 +581,54 @@ ScsiClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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case IOCTL_DISK_CHECK_VERIFY:
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DPRINT ("ScsiClassDeviceControl: IOCTL_DISK_CHECK_VERIFY\n");
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if (OutputBufferLength != 0)
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{
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if (OutputBufferLength < sizeof(ULONG))
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{
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Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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Irp->IoStatus.Information = 0;
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ExFreePool (Srb);
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IoCompleteRequest (Irp,
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IO_NO_INCREMENT);
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return STATUS_BUFFER_TOO_SMALL;
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}
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/* Allocate new IRP for TEST UNIT READY scsi command */
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SubIrp = IoAllocateIrp ((CCHAR)DeviceObject->StackSize + 3,
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FALSE);
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if (SubIrp == NULL)
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{
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Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
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Irp->IoStatus.Information = 0;
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ExFreePool (Srb);
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IoCompleteRequest (Irp,
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IO_NO_INCREMENT);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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SubIrp->Tail.Overlay.Thread = Irp->Tail.Overlay.Thread;
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IoSetNextIrpStackLocation (SubIrp);
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NextStack = IoGetCurrentIrpStackLocation (SubIrp);
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NextStack->Parameters.Others.Argument1 = Irp;
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NextStack->DeviceObject = DeviceObject;
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IoSetCompletionRoutine (SubIrp,
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ScsiClassCheckVerifyCompletion,
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NULL,
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TRUE,
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TRUE,
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TRUE);
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IoSetNextIrpStackLocation (SubIrp);
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NextStack = IoGetCurrentIrpStackLocation (SubIrp);
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NextStack->DeviceObject = DeviceObject;
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IoMarkIrpPending (Irp);
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Irp = SubIrp;
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}
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/* Initialize SRB operation */
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Srb->CdbLength = 6;
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Srb->TimeOutValue = DeviceExtension->TimeOutValue;
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@ -1286,6 +1342,16 @@ ScsiClassIoComplete(IN PDEVICE_OBJECT DeviceObject,
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0,
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MAXIMUM_RETRIES - ((ULONG)IrpStack->Parameters.Others.Argument4),
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&Status);
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/* Retry the request if verify should be overridden */
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if ((IrpStack->Flags & SL_OVERRIDE_VERIFY_VOLUME) &&
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Status == STATUS_VERIFY_REQUIRED)
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{
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Status = STATUS_IO_DEVICE_ERROR;
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Retry = TRUE;
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}
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/* Retry the request */
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if ((Retry) &&
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((ULONG)IrpStack->Parameters.Others.Argument4 > 0))
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{
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@ -1315,6 +1381,11 @@ ScsiClassIoComplete(IN PDEVICE_OBJECT DeviceObject,
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}
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}
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if (Irp->PendingReturned)
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{
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IoMarkIrpPending (Irp);
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}
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if (DeviceExtension->ClassStartIo != NULL)
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{
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if (IrpStack->MajorFunction != IRP_MJ_DEVICE_CONTROL)
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@ -1394,6 +1465,15 @@ ScsiClassIoCompleteAssociated(IN PDEVICE_OBJECT DeviceObject,
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MAXIMUM_RETRIES - ((ULONG)IrpStack->Parameters.Others.Argument4),
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&Status);
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/* Retry the request if verify should be overridden */
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if ((IrpStack->Flags & SL_OVERRIDE_VERIFY_VOLUME) &&
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Status == STATUS_VERIFY_REQUIRED)
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{
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Status = STATUS_IO_DEVICE_ERROR;
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Retry = TRUE;
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}
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/* Retry the request */
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if ((Retry) &&
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((ULONG)IrpStack->Parameters.Others.Argument4 > 0))
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{
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@ -1607,6 +1687,7 @@ ScsiClassReadDriveCapacity(IN PDEVICE_OBJECT DeviceObject)
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NTSTATUS Status;
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ULONG LastSector;
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ULONG SectorSize;
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ULONG RetryCount = 1;
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DPRINT("ScsiClassReadDriveCapacity() called\n");
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@ -1627,7 +1708,7 @@ ScsiClassReadDriveCapacity(IN PDEVICE_OBJECT DeviceObject)
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Cdb = (PCDB)Srb.Cdb;
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Cdb->CDB10.OperationCode = SCSIOP_READ_CAPACITY;
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TryAgain:
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Status = ScsiClassSendSrbSynchronous(DeviceObject,
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&Srb,
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CapacityBuffer,
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@ -1670,7 +1751,18 @@ ScsiClassReadDriveCapacity(IN PDEVICE_OBJECT DeviceObject)
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DPRINT("SectorSize: %lu SectorCount: %lu\n", SectorSize, LastSector + 1);
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}
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else
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/* Try again if device needs to be verified */
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if (Status == STATUS_VERIFY_REQUIRED)
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{
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if (RetryCount > 0)
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{
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RetryCount--;
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goto TryAgain;
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}
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}
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if (!NT_SUCCESS(Status))
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{
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/* Use default values if disk geometry cannot be read */
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RtlZeroMemory(DeviceExtension->DiskGeometry,
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@ -2298,29 +2390,27 @@ ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
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PIO_STACK_LOCATION CurrentIrpStack;
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PIO_STACK_LOCATION NextIrpStack;
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ULONG TransferLength;
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DPRINT ("ScsiPortRetryRequest() called\n");
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DeviceExtension = DeviceObject->DeviceExtension;
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CurrentIrpStack = IoGetCurrentIrpStackLocation(Irp);
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NextIrpStack = IoGetNextIrpStackLocation(Irp);
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if (CurrentIrpStack->MajorFunction != IRP_MJ_READ &&
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CurrentIrpStack->MajorFunction != IRP_MJ_WRITE)
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if (CurrentIrpStack->MajorFunction == IRP_MJ_READ)
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{
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/* We shouldn't setup the buffer pointer and transfer length on read/write requests. */
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if (Irp->MdlAddress != NULL)
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Srb->DataTransferLength = CurrentIrpStack->Parameters.Read.Length;
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}
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else if (CurrentIrpStack->MajorFunction == IRP_MJ_WRITE)
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{
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TransferLength = Irp->MdlAddress->ByteCount;
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Srb->DataTransferLength = CurrentIrpStack->Parameters.Write.Length;
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}
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else if (Irp->MdlAddress != NULL)
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{
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Srb->DataTransferLength = Irp->MdlAddress->ByteCount;
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}
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else
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{
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TransferLength = 0;
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}
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Srb->DataBuffer = MmGetSystemAddressForMdl(Irp->MdlAddress);
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Srb->DataTransferLength = TransferLength;
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Srb->DataTransferLength = 0;
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}
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Srb->SrbStatus = 0;
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@ -2358,4 +2448,42 @@ ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
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DPRINT("ScsiPortRetryRequest() done\n");
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}
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static NTSTATUS STDCALL
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ScsiClassCheckVerifyCompletion (IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PVOID Context)
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{
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PDEVICE_EXTENSION DeviceExtension;
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PDEVICE_EXTENSION PhysicalExtension;
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PIO_STACK_LOCATION Stack;
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PIRP OrigIrp;
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DPRINT ("ScsiClassCheckVerifyCompletion() called\n");
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/* Get the physical device extension */
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DeviceExtension = DeviceObject->DeviceExtension;
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PhysicalExtension = DeviceExtension->PhysicalDevice->DeviceExtension;
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/* Get the original IRP */
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Stack = IoGetCurrentIrpStackLocation (Irp);
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OrigIrp = (PIRP)Stack->Parameters.Others.Argument1;
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/* Copy the media change count */
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*((PULONG)(OrigIrp->AssociatedIrp.SystemBuffer)) =
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PhysicalExtension->MediaChangeCount;
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/* Complete the original IRP */
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OrigIrp->IoStatus.Status = Irp->IoStatus.Status;
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OrigIrp->IoStatus.Information = sizeof(ULONG);
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IoCompleteRequest (OrigIrp,
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IO_DISK_INCREMENT);
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/* Release the current IRP */
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IoFreeIrp (Irp);
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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/* EOF */
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