Check the r_ctl bits of your FCP CDB while generating your
FCP IU. It should be unsolicited command. The best way to
send your commands are using ioctl's so try to use them.

Thanks
- Sumit

shankar krishna wrote:
> 
> Hi,
> 
> I am trying to send SCSI CDB over Fibre channel HBA.
> 
> Using IBM FC disk drive and qlogic HBA(QLA2300).
> 
> I want to build my own CDB (not with 'write' cmd which
> sends an "ex write" to target) - eventually to build some
> vendor specific CDBs!
> 
> Can anybody help me in this?
> 
> Rgds,
> -Shankar.
> PS: I am using FC analyser(FCacccess) inbetween Drive and HBA to
> see the frames and their contents. If I do a "write"
> of my own CDB, it sends it as data not as a command!!
> 
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