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Implemented the SENSE_REQUEST command.

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svn path=/trunk/; revision=2786
This commit is contained in:
Eric Kohl 2002-03-27 00:35:52 +00:00
parent 196b746efd
commit c620a68b29
1 changed files with 104 additions and 1 deletions
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105
reactos/drivers/storage/scsiport/scsiport.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: scsiport.c,v 1.11 2002/03/17 15:47:31 ekohl Exp $
/* $Id: scsiport.c,v 1.12 2002/03/27 00:35:52 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -84,6 +84,10 @@ typedef struct _SCSI_PORT_DEVICE_EXTENSION
PHW_STARTIO HwStartIo;
PHW_INTERRUPT HwInterrupt;
PSCSI_REQUEST_BLOCK OriginalSrb;
SCSI_REQUEST_BLOCK InternalSrb;
SENSE_DATA InternalSenseData;
UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
} SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
@ -150,6 +154,9 @@ static VOID STDCALL
ScsiPortIoTimer(PDEVICE_OBJECT DeviceObject,
PVOID Context);
static PSCSI_REQUEST_BLOCK
ScsiPortInitSenseRequestSrb(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension,
PSCSI_REQUEST_BLOCK OriginalSrb);
/* FUNCTIONS *****************************************************************/
@ -1316,14 +1323,70 @@ ScsiPortDpcForIsr(IN PKDPC Dpc,
IN PVOID DpcContext)
{
PSCSI_PORT_DEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION IrpStack;
PSCSI_REQUEST_BLOCK Srb;
DPRINT("ScsiPortDpcForIsr(Dpc %p DpcDeviceObject %p DpcIrp %p DpcContext %p)\n",
Dpc, DpcDeviceObject, DpcIrp, DpcContext);
DeviceExtension = (PSCSI_PORT_DEVICE_EXTENSION)DpcContext;
IrpStack = IoGetCurrentIrpStackLocation(DeviceExtension->CurrentIrp);
Srb = IrpStack->Parameters.Scsi.Srb;
if (DeviceExtension->OriginalSrb != NULL)
{
DPRINT("Got sense data!\n");
DPRINT("Valid: %x\n", DeviceExtension->InternalSenseData.Valid);
DPRINT("ErrorCode: %x\n", DeviceExtension->InternalSenseData.ErrorCode);
DPRINT("SenseKey: %x\n", DeviceExtension->InternalSenseData.SenseKey);
DPRINT("SenseCode: %x\n", DeviceExtension->InternalSenseData.AdditionalSenseCode);
/* Copy sense data */
if (DeviceExtension->OriginalSrb->SenseInfoBufferLength != 0)
{
RtlCopyMemory(DeviceExtension->OriginalSrb->SenseInfoBuffer,
&DeviceExtension->InternalSenseData,
sizeof(SENSE_DATA));
DeviceExtension->OriginalSrb->SrbStatus |= SRB_STATUS_AUTOSENSE_VALID;
}
/* Clear current sense data */
RtlZeroMemory(&DeviceExtension->InternalSenseData, sizeof(SENSE_DATA));
IrpStack->Parameters.Scsi.Srb = DeviceExtension->OriginalSrb;
DeviceExtension->OriginalSrb = NULL;
}
else if ((SRB_STATUS(Srb->SrbStatus) != SRB_STATUS_SUCCESS) &&
(Srb->ScsiStatus == SCSISTAT_CHECK_CONDITION))
{
DPRINT("SCSIOP_REQUEST_SENSE required!\n");
DeviceExtension->OriginalSrb = Srb;
IrpStack->Parameters.Scsi.Srb = ScsiPortInitSenseRequestSrb(DeviceExtension,
Srb);
if (!KeSynchronizeExecution(DeviceExtension->Interrupt,
ScsiPortStartPacket,
DeviceExtension))
{
DPRINT("Synchronization failed!\n");
DpcIrp->IoStatus.Status = STATUS_UNSUCCESSFUL;
DpcIrp->IoStatus.Information = 0;
IoCompleteRequest(DpcIrp,
IO_NO_INCREMENT);
IoStartNextPacket(DpcDeviceObject,
FALSE);
}
return;
}
DeviceExtension->CurrentIrp = NULL;
// DpcIrp->IoStatus.Information = 0;
// DpcIrp->IoStatus.Status = STATUS_SUCCESS;
@ -1361,4 +1424,44 @@ ScsiPortIoTimer(PDEVICE_OBJECT DeviceObject,
DPRINT1("ScsiPortIoTimer()\n");
}
static PSCSI_REQUEST_BLOCK
ScsiPortInitSenseRequestSrb(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension,
PSCSI_REQUEST_BLOCK OriginalSrb)
{
PSCSI_REQUEST_BLOCK Srb;
PCDB Cdb;
Srb = &DeviceExtension->InternalSrb;
RtlZeroMemory(Srb,
sizeof(SCSI_REQUEST_BLOCK));
Srb->PathId = OriginalSrb->PathId;
Srb->TargetId = OriginalSrb->TargetId;
Srb->Function = SRB_FUNCTION_EXECUTE_SCSI;
Srb->Length = sizeof(SCSI_REQUEST_BLOCK);
Srb->SrbFlags = SRB_FLAGS_DATA_IN | SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
Srb->TimeOutValue = 4;
Srb->CdbLength = 6;
Srb->DataBuffer = &DeviceExtension->InternalSenseData;
Srb->DataTransferLength = sizeof(SENSE_DATA);
Cdb = (PCDB)Srb->Cdb;
Cdb->CDB6INQUIRY.OperationCode = SCSIOP_REQUEST_SENSE;
Cdb->CDB6INQUIRY.AllocationLength = sizeof(SENSE_DATA);
return(Srb);
}
static VOID
ScsiPortFreeSenseRequestSrb(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension)
{
DeviceExtension->OriginalSrb = NULL;
}
/* EOF */