linux-kernel - Re: [PATCH 1/4] [SCSI]stex: fix id mapping issue

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Message-ID: <460D9ED9.1050801@garzik.org>
Date:	Fri, 30 Mar 2007 19:35:53 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Ed Lin <ed.lin@...mise.com>
CC:	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"james.Bottomley" <james.Bottomley@...elEye.com>,
	promise_linux <promise_linux@...mise.com>
Subject: Re: [PATCH 1/4] [SCSI]stex: fix id mapping issue

Ed Lin wrote:
> The internal id/lun mapping of st_vsc and st_vsc1 controllers is different
> from st_shasta. The original driver code can only  map first 16 'entities'
> for st_vsc and st_vsc1 while there are actually 128 available.
> 
> Also the  ST_MAX_LUN_PER_TARGET should be 8, although this can do
> no harm because inquiries beyond boundary are discarded by firmware.
> 
> The correct internal mapping should be:
> id:0~15, lun:0~7 (st_shasta)
> id:0, lun:0~127 (st_yosemite)
> id:0~127, lun:0 (st_vsc and st_vsc1)
> To scsi mid layer they are all channel:0~7, id:0~15, lun:0, with a maximun
> 'entity' number of 128. The RAID console only interfaces to scsi mid layer
> and is always mapped at channel:0, id:16, lun:0.
> 
> Signed-off-by: Ed Lin <ed.lin@...mise.com>

ACK patches 1-4.  I presume James will apply them to scsi-fixes...

	Jeff



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