To: David Miller <davem@davemloft.net>
Cc: mitake@clustcom.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
       ktaka@clustcom.com
Subject: Re: [RFC] New functions to manipulate registers for ethtool
In-Reply-To: Your message of "Mon, 08 Dec 2008 00:54:31 PST."
             <20081208.005431.200957157.davem@davemloft.net>
From: Valdis.Kletnieks@vt.edu
References: <20081208171230.288c5ccf.mitake@clustcom.com>
            <20081208.005431.200957157.davem@davemloft.net>
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Date: Mon, 08 Dec 2008 04:01:43 -0500
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On Mon, 08 Dec 2008 00:54:31 PST, David Miller said:
> From: Hitoshi Mitake <mitake@clustcom.com>
> Date: Mon, 8 Dec 2008 17:12:30 +0900
> 
> > I want to add two new functions to ethtool.
> > 
> > One is for setting driver's registers on MMIO area like
> > --change-eeprom option.
> 
> You can map the registers into userspace using the bus
> level mmap facilities exported to userspace.
> 
> No ethtool support is necessary for this.

Yes, but if Hitoshi wants to tell a user "run this command and send me
the output", what's the incantation the user needs to use?

The user probably has ethtool installed if they have a semi-sane distro.
Their eyeballs are just gonna glaze over if they're asked to map the registers
into userspace.. ;)

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