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Fixed the handling for errors/retries.

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svn path=/trunk/; revision=3916
This commit is contained in:
Hartmut Birr 2003-01-02 16:03:04 +00:00
parent f9725d0888
commit c937cd4933
1 changed files with 20 additions and 41 deletions
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61
reactos/drivers/storage/class2/class2.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: class2.c,v 1.28 2002/12/15 14:33:09 ekohl Exp $
/* $Id: class2.c,v 1.29 2003/01/02 16:03:04 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -69,9 +69,7 @@ ScsiClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
static VOID
ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
PIRP Irp,
PSCSI_REQUEST_BLOCK Srb,
BOOLEAN Associated);
PIRP Irp);
/* FUNCTIONS ****************************************************************/
@ -773,7 +771,7 @@ ScsiClassInterpretSenseInfo(PDEVICE_OBJECT DeviceObject,
DPRINT("ScsiClassInterpretSenseInfo() called\n");
DPRINT("Srb->SrbStatus %lx\n", Srb->SrbStatus);
if (SRB_STATUS(Srb->SrbStatus) == SRB_STATUS_PENDING)
{
*Status = STATUS_SUCCESS;
@ -897,10 +895,10 @@ ScsiClassIoComplete(PDEVICE_OBJECT DeviceObject,
DeviceObject, Irp, Context);
DeviceExtension = DeviceObject->DeviceExtension;
Srb = (PSCSI_REQUEST_BLOCK)Context;
DPRINT("Srb %p\n", Srb);
IrpStack = IoGetCurrentIrpStackLocation(Irp);
Srb = IrpStack->Parameters.Scsi.Srb;
DPRINT("Srb %p\n", Srb);
if (SRB_STATUS(Srb->SrbStatus) == SRB_STATUS_SUCCESS)
{
@ -920,9 +918,7 @@ ScsiClassIoComplete(PDEVICE_OBJECT DeviceObject,
((ULONG)IrpStack->Parameters.Others.Argument4)--;
ScsiClassRetryRequest(DeviceObject,
Irp,
Srb,
FALSE);
Irp);
return(STATUS_MORE_PROCESSING_REQUIRED);
}
}
@ -975,10 +971,10 @@ ScsiClassIoCompleteAssociated(PDEVICE_OBJECT DeviceObject,
MasterIrp = Irp->AssociatedIrp.MasterIrp;
DeviceExtension = DeviceObject->DeviceExtension;
Srb = (PSCSI_REQUEST_BLOCK)Context;
DPRINT("Srb %p\n", Srb);
IrpStack = IoGetCurrentIrpStackLocation(Irp);
Srb = IrpStack->Parameters.Scsi.Srb;
DPRINT("Srb %p\n", Srb);
if (SRB_STATUS(Srb->SrbStatus) == SRB_STATUS_SUCCESS)
{
@ -1002,9 +998,7 @@ ScsiClassIoCompleteAssociated(PDEVICE_OBJECT DeviceObject,
((ULONG)IrpStack->Parameters.Others.Argument4)--;
ScsiClassRetryRequest(DeviceObject,
Irp,
Srb,
TRUE);
Irp);
return(STATUS_MORE_PROCESSING_REQUIRED);
}
}
@ -1617,20 +1611,19 @@ ScsiClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
static VOID
ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
PIRP Irp,
PSCSI_REQUEST_BLOCK Srb,
BOOLEAN Associated)
PIRP Irp)
{
PDEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION CurrentIrpStack;
PIO_STACK_LOCATION NextIrpStack;
PSCSI_REQUEST_BLOCK Srb;
ULONG TransferLength;
DPRINT("ScsiPortRetryRequest() called\n");
DeviceExtension = DeviceObject->DeviceExtension;
CurrentIrpStack = IoGetCurrentIrpStackLocation(Irp);
NextIrpStack = IoGetNextIrpStackLocation(Irp);
Srb = CurrentIrpStack->Parameters.Scsi.Srb;
if (CurrentIrpStack->MajorFunction == IRP_MJ_READ ||
CurrentIrpStack->MajorFunction == IRP_MJ_WRITE)
@ -1646,6 +1639,7 @@ ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
TransferLength = 0;
}
Srb->DataBuffer = MmGetSystemAddressForMdl(Irp->MdlAddress);
Srb->DataTransferLength = TransferLength;
Srb->SrbStatus = 0;
Srb->ScsiStatus = 0;
@ -1654,27 +1648,12 @@ ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
// Srb->Flags =
// Srb->QueueTag = SP_UNTAGGED;
NextIrpStack->MajorFunction = IRP_MJ_SCSI;
NextIrpStack->Parameters.Scsi.Srb = Srb;
if (Associated == FALSE)
{
IoSetCompletionRoutine(Irp,
ScsiClassIoComplete,
Srb,
TRUE,
TRUE,
TRUE);
}
else
{
IoSetCompletionRoutine(Irp,
ScsiClassIoCompleteAssociated,
Srb,
TRUE,
TRUE,
TRUE);
}
/*
* Our function is called from a completion routine. We must
* recall the driver with the same stack location. IoCallDriver
* goes to the next location. So we go one step back.
*/
IoSkipCurrentIrpStackLocation(Irp);
IoCallDriver(DeviceExtension->PortDeviceObject,
Irp);