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Subject: Re: Q: how to send ATA cmds to USB drive?
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Herbert Rosmanith <kernel@wildsau.enemy.org>
Cc: linux-kernel@vger.kernel.org
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Date: Wed, 24 May 2006 12:22:33 +0100
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On Mer, 2006-05-24 at 11:22 +0200, Herbert Rosmanith wrote:
> But now I also have to support USB harddisks from the same company.
> The USB harddisk uses the same set of ATA commands as the IDE harddisk,
> well, at least that's what I suppose.

USB storage is a sort of 'pigdin' SCSI. You send SCSI commands to the
USB storage device but you may find anything too clever breaks.