From: Andi Kleen <andi@firstfloor.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Mike Robak" <mrobak@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: libATA error message doc
Date: 05 Oct 2007 21:13:39 +0200 [thread overview]
Message-ID: <p737im15q8s.fsf@bingen.suse.de> (raw)
In-Reply-To: <20071003192453.0ed967f1@the-village.bc.nu>
Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> > (irq_stat 0x40000001)
>
> IRQ status of the chip
> > tag 0
> Tag (or zero for non NCQ commands)
> > cmd 0xb0
> The ATA command number issued
> > emask 0x1
> Internal libata error category (used to decide what to do to
> recover)
> > stat 0x51
> Status register of drive
> > err 0x4
> Error register of drive
>
>
> You want the ATA specification document from T13 (www.t13.org)
The ISDN driver documentation always listed the numbers in the kernel documentation
even though people in theory could have gotten it from the specification too.
I always found that quite convenient. Putting at least a summary in Documentation
would probably user-friendly. It tends to be hard to find stuff in specifications,
especially if you're not very familiar with the standard.
-Andi
next prev parent reply other threads:[~2007-10-05 19:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-03 17:39 libATA error message doc Mike Robak
2007-10-03 17:54 ` Jeff Garzik
2007-10-03 18:24 ` Alan Cox
2007-10-05 19:13 ` Andi Kleen [this message]
2007-10-05 20:51 ` Alan Cox
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