From owner-freebsd-current  Thu Apr  4 18:14:18 2002
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Date: Thu, 04 Apr 2002 18:13:42 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: mjacob@feral.com
Cc: Andrew Gallatin <gallatin@cs.duke.edu>,
	freebsd-current@freebsd.org, gibbs@freebsd.org
Subject: Re: BUS_SPACE_MAXSIZE & isp driver.
References: <Pine.BSF.4.21.0204041807070.78599-100000@beppo>
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Matthew Jacob wrote:
> > Thanks for the clarification.  I was confusing BUS_SPACE_MAXSIZE
> > with BUS_SPACE_MAXSIZE_24BIT and BUS_SPACE_MAXSIZE_32BIT.
> >
> > It's probably too late to rename BUS_SPACE_MAXSIZE to something
> > like BUS_SPACE_MAXXFER.  8-(.
> 
> Yes. If we've understood it at all. There are no documents really describing
> it.

I was going to mention this, but I censured myself so that it
wouldn't look like I was whinging...  8-) 8-).  The documentation
in these areas is atrocious.  There needs to be a documentation
requirement for the commit of huge things, like bus space, CAM,
devfs, GEOM, etc. ...


> > > BUS_SPACE_MAXSIZE seems to be related to the 'largest xfer you
> > > will be allowed to do at one time'- which is wrong because MAXPHYS
> > > is larger.
> >
> > Yeah, I get that now.  No need to beat me up, I can take care
> > of it myself.  8-) 8-).
> 
> No, no.... at least you showed some interest :-)

If that's supposed to trick me into doing the missing documentation,
it's not working... 8-).

-- Terry

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