download sg3-utils and its souce code. good place to begin with. -Amit On Mon, Aug 1, 2011 at 2:41 PM, RKK <kulkarni.ravi4@xxxxxxxxx> wrote: > HI all, > Im working on a storage protocol which uses SCSI commands set as > the command set and also the SCSI Task Management functions for > processing the Task Management. > The Architectural Model is based on SAM-5. The Command set is based on > SPC-4 and SBC-3. I have some doubts in trying to understanding some > SCSI terms and definitions. > > For using the send command transport protocol service request to > request a initiator the following API is defined > > [1]Send SCSI Command (IN (I_T_L_Q Nexus, CDB, Task Attribute, [Data-in > Buffer Size], [Data- > out Buffer], [Data-out Buffer Size], [CRN], [Command Priority], [First > Burst Enabled])) > > Here I want to know what relation does the I_T_L_Q tries to convey. > from what it says in SAM-5 Specification section 4.8 tries to define > the Nexus as " nexus represents a relationship between a SCSI > initiator port, a SCSI target port, optionally a logical unit, > and optionally a command." > how do we convey this information in the above [1]. > Also can someone help me in how to map the initiator-target relation > to host-device structure? thanks. > > Warm Regards, > Ravi Kulkarni. > > > > > > Warm Regards, > Ravi Kulkarni. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies