From owner-freebsd-hackers  Mon Nov 18  7:55:41 2002
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From: Soeren Schmidt <sos@spider.deepcore.dk>
Message-Id: <200211181555.gAIFtaTt019103@spider.deepcore.dk>
Subject: Re: ATAPI vs ATA disk
In-Reply-To: <1037626255.2801.20.camel@firestorm.crafts4life.com>
To: Eduard Martinescu <martines@frontiernet.net>
Date: Mon, 18 Nov 2002 16:55:36 +0100 (CET)
Cc: freebsd-hackers@FreeBSD.ORG
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It seems Eduard Martinescu wrote:
> 
> I am trying to port the 'smartmontools' package from sourceforge.net to
> FreeBSD.  However, I am running into some issues.  I need to be able to
> send SMART commands (and read responses) to ATA disk drives.  At first
> glance, it looked like the generic ATAPI layer would work great, but I
> have found that the ATA disk drives do NOT support generic ATAPI
> commands (through that ATAPICMD ioctl).  
> 
> So now I am at a loss as to how best to proceed.  Should I just patch
> the code in ata-all.c that looks for an ATAPI_MASTER or SLAVE device?
> (and allow a ATA_MASTER and SLAVE) to receive ATAPI commands?  Should I
> try to work up a new IOCTL to support ATAPI commands to ATA disks?
> Should I add IOCTL support to the AD device driver?

I have a patch coming up that supports the SMART commands, interpreting
the data will be left to userland (where smartmontools might be able
to do the job)...

-Søren

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