From: Gurpreet Anand [anand_gurpreet@yahoo.com]
Sent: Thursday, October 25, 2001 8:28 PM
To: NT Developers Interest List
Subject: [ntdev] Re: SCSI_PASS_THROUGH

Yeah I figured it out later.
Thanks for the help.
Regards,
Gurpreet
--- "Roddy, Mark" <Mark.Roddy@stratus.com> wrote:
> For w2k and later, as the docs more or less clearly
> state, you have to go
> through the class device if the scsi target is
> claimed. The example from
> Gurpeet is (I guess) attempting to send scsi pass
> through to claimed targets
> through the port device (e.g. scsi0) and that will
> not work.
> 
> -----Original Message-----
> From: anton_kolomyeytsev@hotmail.com
> [mailto:anton_kolomyeytsev@hotmail.com]
> 
> Sent: Thursday, October 25, 2001 6:44 AM
> To: NT Developers Interest List
> Subject: [ntdev] Re: SCSI_PASS_THROUGH
> 
> 
> Some time ago I had the same problem. Found that's
> easier to call 
> IOCTL_SCSI_GET_INQUIRY data than to fight with the
> wind mills trying to 
> send SCSIOP_INQUIRY.
> 
> On 10/24/01, "Gurpreet Anand
> <anand_gurpreet@yahoo.com>" wrote:
> > Hi,
> > I am sending SCSIOP_INQUIRY from an application to
> the
> > port driver.
> > This application works fine for the Non-Disk
> devices
> > but returns ERROR_INVALID_FUNCTION for the Disk
> > devices.
> > Does anyone has any idea about it.
> > I am sending the inquiry as follows:
> > 
> > for(j=0;j<5;j++)
> > {
> > for(i=0;i<16;i++)
> > {
> > sptwb.spt.Length = sizeof(SCSI_PASS_THROUGH);
> sptwb.spt.PathId = j;
> > sptwb.spt.TargetId = i;
> > sptwb.spt.Lun = 0;
> > sptwb.spt.CdbLength = CDB6GENERIC_LENGTH;
> > sptwb.spt.SenseInfoLength = 32;
> > sptwb.spt.DataIn = SCSI_IOCTL_DATA_IN;
> > sptwb.spt.DataTransferLength = sizeof(InqData)
> > sptwb.spt.TimeOutValue = 2;
> > sptwb.spt.DataBufferOffset =
> > 	 offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS,ucD
> > sptwb.spt.SenseInfoOffset = 
> > 	 offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS,ucS
> > sptwb.spt.Cdb[0] = SCSIOP_INQUIRY;
> >   sptwb.spt.Cdb[1] = sptwb.spt.Lun << 5;
> > sptwb.spt.Cdb[4] = sizeof(InqData);
> > length = offsetof(SCSI_PASS_THROUGH_WITH_BUFFE
> > 	 sptwb.spt.DataTransferLength;
> > 
> > status = DeviceIoControl(
> > fileHandle,
> > IOCTL_SCSI_PASS_THROUGH,
> > &sptwb,
> > sizeof(SCSI_PASS_THROUGH)
> > &sptwb,
> > length,
> > &returned,
> > FALSE);
> > 
> > }
> > }
> > 
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