linux-kernel - Re: HDIO

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Message-ID: <461D2C46.5040603@google.com>
Date:	Wed, 11 Apr 2007 11:43:18 -0700
From:	Edward Falk <efalk@...gle.com>
To:	"Uytterhoeven, Geert" <Geert.Uytterhoeven@...sony.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: HDIO_* ioctls

Uytterhoeven, Geert wrote:
> 	Hi,
> 
> Documentation/ioctl/hdio.txt says:
> | This document attempts to describe the ioctl(2) calls supported by
> | the HD/IDE layer.  These are by-and-large implemented (as of Linux 2.6)
> | in drivers/ide/ide.c and drivers/block/scsi_ioctl.c
> 
> However, drivers/block/scsi_ioctl.c does not exist.

It's likely that files have been moved and/or renamed since I wrote that 
document.

> drivers/scsi/scsi_ioctl.c and block/scsi_ioctl.c do exist, but they don't seem to cover any of the
> HDIO_* ioctls.
> 
> Does SCSI cover any of these ioctls at all?

Look in the libata layer.  I know that some of the ioctls are not 
implemented yet, or are incomplete.

	-ed falk
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