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https://github.com/reactos/reactos.git
synced 2024-12-27 09:34:43 +00:00
Added mapping of scsi error codes to status codes.
Retries are still disabled. svn path=/trunk/; revision=2816
This commit is contained in:
Eric Kohl
parent
6c88e069c4
commit
bcde238ede
1 changed files with 169 additions and 18 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 1.14 2002/03/25 21:55:51 ekohl Exp $
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/* $Id: class2.c,v 1.15 2002/04/01 23:51:09 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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@ -39,6 +39,7 @@
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#define NDEBUG
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#include <debug.h>
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// #define ENABLE_RETRIES
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#define VERSION "0.0.1"
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@ -67,6 +68,10 @@ static NTSTATUS STDCALL
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ScsiClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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static VOID
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ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
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PIRP Irp,
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PSCSI_REQUEST_BLOCK Srb);
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/* FUNCTIONS ****************************************************************/
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@ -213,33 +218,29 @@ ScsiClassBuildRequest(PDEVICE_OBJECT DeviceObject,
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Cdb->CDB10.OperationCode = SCSIOP_WRITE;
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}
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#if 0
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/* if this is not a write-through request, then allow caching */
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if (!(CurrentIrpStack->Flags & SL_WRITE_THROUGH))
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{
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Srb->SrbFlags |= SRB_FLAGS_ADAPTER_CACHE_ENABLE;
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}
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else
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else if (DeviceExtension->DeviceFlags & DEV_WRITE_CACHE)
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{
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/* if write caching is enable then force media access in the cdb */
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if (DeviceExtension->DeviceFlags & DEV_WRITE_CACHE)
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{
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Cdb->CDB10.ForceUnitAccess = TRUE;
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}
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Cdb->CDB10.ForceUnitAccess = TRUE;
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}
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#endif
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/* Update srb flags */
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Srb->SrbFlags |= DeviceExtension->SrbFlags;
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/* Initialize next stack location */
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NextIrpStack->MajorFunction = IRP_MJ_SCSI;
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NextIrpStack->Parameters.Scsi.Srb = Srb;
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NextIrpStack->DeviceObject = DeviceObject;
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/* Save retry count in current IRP stack */
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CurrentIrpStack->Parameters.Others.Argument4 = (PVOID)MAXIMUM_RETRIES;
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/* Set retry count */
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NextIrpStack->Parameters.Others.Argument4 = (PVOID)MAXIMUM_RETRIES;
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DPRINT("IoSetCompletionRoutine (Irp %p Srb %p)\n", Irp, Srb);
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IoSetCompletionRoutine(Irp,
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@ -722,6 +723,9 @@ ScsiClassInterpretSenseInfo(PDEVICE_OBJECT DeviceObject,
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ULONG RetryCount,
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NTSTATUS *Status)
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{
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PDEVICE_EXTENSION DeviceExtension;
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PSENSE_DATA SenseData;
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BOOLEAN Retry;
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DPRINT1("ScsiClassInterpretSenseInfo() called\n");
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@ -730,15 +734,92 @@ ScsiClassInterpretSenseInfo(PDEVICE_OBJECT DeviceObject,
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if (SRB_STATUS(Srb->SrbStatus) == SRB_STATUS_PENDING)
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{
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*Status = STATUS_SUCCESS;
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return(FALSE);
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}
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DeviceExtension = DeviceObject->DeviceExtension;
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SenseData = Srb->SenseInfoBuffer;
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Retry = TRUE;
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if ((Srb->SrbStatus & SRB_STATUS_AUTOSENSE_VALID) &&
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(Srb->SenseInfoBufferLength > 0))
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{
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/* Got valid sense data, interpret them */
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DPRINT1("ErrorCode: %x\n", SenseData->ErrorCode);
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DPRINT1("SenseKey: %x\n", SenseData->SenseKey);
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DPRINT1("SenseCode: %x\n", SenseData->AdditionalSenseCode);
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switch (SenseData->SenseKey & 0xf)
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{
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/* FIXME: add more sense key codes */
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case SCSI_SENSE_NOT_READY:
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DPRINT1("SCSI_SENSE_NOT_READY\n");
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*Status = STATUS_DEVICE_NOT_READY;
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break;
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case SCSI_SENSE_UNIT_ATTENTION:
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DPRINT1("SCSI_SENSE_UNIT_ATTENTION\n");
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if ((DeviceObject->Characteristics & FILE_REMOVABLE_MEDIA) &&
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(DeviceObject->Vpb->Flags & VPB_MOUNTED))
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{
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DeviceObject->Flags |= DO_VERIFY_VOLUME;
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*Status = STATUS_VERIFY_REQUIRED;
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Retry = FALSE;
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}
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else
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{
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*Status = STATUS_IO_DEVICE_ERROR;
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}
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break;
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case SCSI_SENSE_ILLEGAL_REQUEST:
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DPRINT1("SCSI_SENSE_ILLEGAL_REQUEST\n");
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*Status = STATUS_INVALID_DEVICE_REQUEST;
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Retry = FALSE;
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break;
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default:
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DPRINT1("SCSI error (sense key: %x)\n",
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SenseData->SenseKey & 0xf);
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*Status = STATUS_IO_DEVICE_ERROR;
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break;
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}
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}
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else
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{
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*Status = STATUS_UNSUCCESSFUL;
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/* Got no/invalid sense data, return generic error codes */
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switch (SRB_STATUS(Srb->SrbStatus))
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{
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/* FIXME: add more srb status codes */
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case SRB_STATUS_DATA_OVERRUN:
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*Status = STATUS_DATA_OVERRUN;
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Retry = FALSE;
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break;
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default:
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*Status = STATUS_IO_DEVICE_ERROR;
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break;
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}
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}
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/* Call the class driver specific error function */
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if (DeviceExtension->ClassError != NULL)
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{
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DeviceExtension->ClassError(DeviceObject,
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Srb,
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Status,
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&Retry);
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}
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/* FIXME: log severe errors */
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DPRINT1("ScsiClassInterpretSenseInfo() done\n");
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return(FALSE);
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return(Retry);
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}
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@ -774,16 +855,24 @@ ScsiClassIoComplete(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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#if 0
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irpStack->MajorFunction == IRP_MJ_DEVICE_CONTROL ? irpStack->Parameters.DeviceIoControl.IoControlCode : 0,
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#endif
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DPRINT1("Retry count: %lu\n", (ULONG)IrpStack->Parameters.Others.Argument4);
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if (Retry == TRUE)
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if ((Retry == TRUE) &&
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((ULONG)IrpStack->Parameters.Others.Argument4 > 0))
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{
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/* FIXME!! */
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DPRINT1("Should try again!\n");
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((ULONG)IrpStack->Parameters.Others.Argument4)--;
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DPRINT1("Retry count: %lu\n", (ULONG)IrpStack->Parameters.Others.Argument4);
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DPRINT1("Should try again!\n");
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#ifdef ENABLE_RETRY
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ScsiClassRetryRequest(DeviceObject,
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Irp,
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Srb);
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return(STATUS_MORE_PROCESSING_REQUIRED);
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#else
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return(Status);
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#endif
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}
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}
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@ -1286,4 +1375,66 @@ ScsiClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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return(STATUS_INVALID_DEVICE_REQUEST);
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}
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static VOID
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ScsiClassRetryRequest(PDEVICE_OBJECT DeviceObject,
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PIRP Irp,
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PSCSI_REQUEST_BLOCK Srb)
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{
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PDEVICE_EXTENSION DeviceExtension;
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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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DPRINT1("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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{
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TransferLength = CurrentIrpStack->Parameters.Read.Length;
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}
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else if (Irp->MdlAddress != NULL)
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{
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TransferLength = 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->DataTransferLength = TransferLength;
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Srb->SrbStatus = 0;
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Srb->ScsiStatus = 0;
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// Srb->QueueTag = SP_UNTAGGED;
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/* Don't modify the flags */
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// Srb->Flags =
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// CurrentIrpStack->MajorFunction = IRP_MJ_SCSI;
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// CurrentIrpStack->Parameters.Scsi.Srb = Srb;
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// IoSkipCurrentIrpStackLocation(Irp);
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*NextIrpStack = *CurrentIrpStack;
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NextIrpStack->MajorFunction = IRP_MJ_SCSI;
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NextIrpStack->Parameters.Scsi.Srb = Srb;
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IoSetCompletionRoutine(Irp,
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ScsiClassIoComplete,
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Srb,
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TRUE,
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TRUE,
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TRUE);
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DPRINT1("ScsiPortRetryRequest() done\n");
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IoCallDriver(DeviceExtension->PortDeviceObject,
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Irp);
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}
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/* EOF */
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