[Stgt-devel] [patch 1/2] passthrough target notification function

[FUJITA Tomonori]

From: Robert Jennings <rcj at linux.vnet.ibm.com>
Subject: Re: [Stgt-devel] [patch 1/2] passthrough target notification function
Date: Wed, 30 May 2007 20:26:29 -0500

> * FUJITA Tomonori (fujita.tomonori at lab.ntt.co.jp) wrote:
> > From: Robert Jennings <rcj at linux.vnet.ibm.com>
> > Subject: [Stgt-devel] [patch 1/2] passthrough target notification function
> > Date: Fri, 18 May 2007 13:17:45 -0500
> > 
> > > We spoke about this last week on the mailing list in relation to 
> > > pass-through for kernel lld's.  This would notify scsi_tgt of any
> > > target logical units that should be handled in the kernel.  Here is a
> > > first pass, this is the user-space portion.
> > > 
> > > Send target state updates to the kernel (in-kernel pass-through enablement)
> > 
> > Thanks a lot.
> > 
> > From a quick look, you try to bind an lld to a scsi_host? If so, we
> > can't (yeah, user-space code does something like that, but it's
> > wrong. it needs be fixed). We need to bind a scsi_host to a tgt
> > scsi_host (please read the previous pass-through discussion).
> 
> If I'm understanding you correctly, the target software assigns one
> scsi_host to only one remote initiator.  This would mean that you want to
> assign an entire physical adapter on the target side to a tgt scsi_host
> that an initiator will see?  And then this would be a 1:1 relationship
> of initiator to target.  Is this all correct?

Yeah, that's all correct though an entire physical adapter would be an
entire virtual adapter with NPIV.