From: Gleb Natapov <gleb@redhat.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Hannes Reinecke <hare@suse.de>,
LKML <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@linux.intel.com>
Subject: Re: [PATCH] EDD: Check for correct EDD 3.0 length
Date: Tue, 15 May 2012 17:53:16 +0300 [thread overview]
Message-ID: <20120515145316.GF6948@redhat.com> (raw)
In-Reply-To: <20120515155206.520e46b6@pyramind.ukuu.org.uk>
On Tue, May 15, 2012 at 03:52:06PM +0100, Alan Cox wrote:
> > It is easy to be confused since there are two EDD 3 specs. First is from
> > Phoenix BIOS (linked at the first mail of the thread) and it does not have
> > enough info even for ATA. You can't tell primary ATA controller from secondary.
>
> Yes you can - it's defined by the PCI specification for compatibility
How? ATA device path has only Master/Slave. Interface path has only
bus/slot/function. So given all that in int13_80 how do I know if this
is primary or secondary controller?
T13 added has Channel number in Interface path.
> mappings on hardware of that era. Once you move to newer systems with ATA
> native PCI controllers then you need the 3.0 spec not the Phoenix spec.
>
> Alan
--
Gleb.
next prev parent reply other threads:[~2012-05-15 14:53 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 11:04 [PATCH] EDD: Check for correct EDD 3.0 length Hannes Reinecke
2012-05-15 11:12 ` Gleb Natapov
2012-05-15 11:20 ` Hannes Reinecke
2012-05-15 11:59 ` Gleb Natapov
2012-05-15 12:53 ` Gleb Natapov
2012-05-15 13:49 ` Alan Cox
2012-05-15 14:12 ` Gleb Natapov
2012-05-15 14:18 ` Alan Cox
2012-05-15 14:21 ` Gleb Natapov
2012-05-15 14:36 ` Alan Cox
2012-05-15 14:48 ` Gleb Natapov
2012-05-15 14:54 ` Alan Cox
2012-05-15 15:00 ` Gleb Natapov
2012-05-15 14:00 ` Alan Cox
2012-05-15 14:36 ` Gleb Natapov
2012-05-15 14:52 ` Alan Cox
2012-05-15 14:53 ` Gleb Natapov [this message]
2012-05-15 15:22 ` Alan Cox
2012-05-15 15:29 ` Gleb Natapov
2012-05-15 15:41 ` Alan Cox
2012-05-15 15:53 ` Gleb Natapov
2012-05-15 15:14 ` Alan Cox
2012-05-15 15:31 ` Alan Cox
2012-05-15 15:46 ` Gleb Natapov
2012-05-15 17:17 ` H. Peter Anvin
-- strict thread matches above, loose matches on Subject: below --
2012-05-16 6:51 Hannes Reinecke
2012-05-16 8:28 ` Gleb Natapov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120515145316.GF6948@redhat.com \
--to=gleb@redhat.com \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=hare@suse.de \
--cc=hpa@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.