To: linux-kernel@vger.kernel.org
From: hpa@zytor.com (H. Peter Anvin)
Subject: Re: HELP: Linux replacement for "DOS diagnostic" station
Date: Tue, 9 Mar 2004 00:18:10 +0000 (UTC)
Organization: Transmeta Corporation, Santa Clara CA
Message-ID: <c2j2g2$298$1@terminus.zytor.com>
References: <404CFF03.1090601@techsource.com>
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Followup to:  <404CFF03.1090601@techsource.com>
By author:    Timothy Miller <miller@techsource.com>
In newsgroup: linux.dev.kernel
> 
> So, first of all, we need to make /dev/mem accessible to all users. 
> Secondly, we need some mechanism to access I/O and config space, but it 
> can be indirect through ioctl.
> 
> Is there a driver for Linux which supports I/O and config space access 
> for user-space programs in a completely generic way?
> 

Just use iopl(3) and do the accesses directly from userspace, or use
/dev/port.

	-hpa
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