linux-kernel - Re: [PATCH][resubmit] HP iLO driver

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Message-ID: <20080708230850.GD18195@elf.ucw.cz>
Date:	Wed, 9 Jul 2008 01:08:50 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	"Altobelli, David" <david.altobelli@...com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"greg@...ah.com" <greg@...ah.com>
Subject: Re: [PATCH][resubmit] HP iLO driver

On Tue 2008-07-08 22:19:18, Altobelli, David wrote:
> Pavel Machek wrote:
> > Could you provide the list of commands (at least) so we can be more
> > concrete?
> 
> Unfortunately, I don't believe that I can.  We reviewed this internally,
> and the question of documentation was raised.  The hardware teams

You could at least provide list of high-level functionality.

> > (I assume management processors have pretty similar functionality
> > accross vendors, right?)
> 
> I can't speak for other vendors.

And neither can they speak, because you did not tell us what the iLO
does.

> >> It seems much cleaner to keep the kernel interface simple and opaque
> >> (ie read/write), and handle the details of the commands in user
> >> space. From my limited understanding, I thought that was a common
> >> goal here: move what you can to userspace.
> >
> > We are not _that_ extreme. Yes, keep stuff in userspace is important,
> > but "hide hardware differences" is more important goal.
> 
> That seems like a larger question/goal.  Giving users some consistent
> interfaces to do stuff would be nice, but I'd really like to handle this
> driver on its own.

This driver can't be handled on its own, that would lead to a mess in
future. Sorry. We need more info here.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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