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Date:      Fri, 12 Jan 2001 11:04:59 -0800 (PST)
From:      Matthew Jacob <mjacob@feral.com>
To:        John Baldwin <jhb@FreeBSD.ORG>
Cc:        Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>, hackers@FreeBSD.ORG
Subject:   Re: CFR: Generalized power-management interface
Message-ID:  <Pine.LNX.4.21.0101121104330.31044-100000@zeppo.feral.com>
In-Reply-To: <XFMail.010112110110.jhb@FreeBSD.org>

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If we're going to talk about 'health' for a machine and it's components, it
should tie in with the SES/SAF-TE driver (for SCSI/FibreChannel).

> 
> On 12-Jan-01 Mitsuru IWASAKI wrote:
> > Hi,
> > 
> >> > I'll get device major number for /dev/power and commit them within a
> >> > few days if no objection.
> >> 
> >> One thing that I was talking about with Mike Smith is that perhaps instead
> >> of
> >> having a /dev/power just for power management stuff we should be a bit more
> >> generic and have a /dev/health used for anything related to the machine's
> >> "health"?  This could include power management, thermal zones, etc.  BTW,
> >> the
> > 
> > I'm not sure if /dev/health is better but I think having common API
> > for the machine's health is good thing.  How about having /dev/power,
> > /dev/thermal or whatever related with machine's health as abstracted
> > layers, and creating API libraries for each subsystems like libpower,
> > then providing libhealth as full-set API for the applications?
> 
> It was just an idea to think about is all. :)  However you do it will probably
> be fine.  I'm not really working on this code enough to make too many
> suggestions right now. :)
> 
> >> battery status doesn't work on my laptop unfortunately, but that is because
> >> I
> >> have to have the Super IO (and thus all GPIO) disabled to get ACPI to boot.
> >> :(
> > 
> > Is that related with embedded controller too?
> 
> Yes.  I need to figure out how ACPI_DEBUG works so I can dimp debugging info
> and find out where it hangs when I don't disable the SIO_ controller.
> 
> 



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