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Date:	Thu, 09 Sep 2010 23:33:34 -0400
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Anil kumar <anils_r@...oo.com>
Cc:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Christof Schmitt <christof.schmitt@...ibm.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: scsi_cmnd data_buffer checksum

>>>>> "Anil" == Anil kumar <anils_r@...oo.com> writes:

Anil> But I had a quick question, isn't that drive has to support
Anil> "protection enable" also.

Just register DIX Type 0 in the host's protection mask.  That'll enable
protected transfer to the HBA only.


Anil> Also, does Controller FW need to do anything extra to send DIF
Anil> block down to drive. Ideally we will be sending 512 byte blocks
Anil> down to drive.

	http://oss.oracle.com/~mkp/docs/dix-draft.pdf

-- 
Martin K. Petersen	Oracle Linux Engineering
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