linux-kernel - Re: SATA passthrough commands from User Space

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Message-ID: <4940CFB3.8030005@garzik.org>
Date:	Thu, 11 Dec 2008 03:30:43 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	mutahirlatif@...il.com
CC:	linux-kernel@...r.kernel.org
Subject: Re: SATA passthrough commands from User Space

Muhammad Mutahir Latif wrote:
> Hi
> 
> I am new to linux kernel development and need help in developing an
> application in linux for a SATA device. What is required is that the
> application needs to send raw SATA commands along with data (like Read
> DMA, Write FPDMA etc) to a SATA hard disk. Secondly we also have to
> achieve a reasonably high data transfer throughput.

Use the existing SG_IO ioctl.

	Jeff



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