netdev - Re: [PATCH net-next 0/9] devlink: Add support for region access

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Message-ID: <20180330095156.GA24242@chelsio.com>
Date:   Fri, 30 Mar 2018 15:21:57 +0530
From:   Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Alex Vesker <valex@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Tariq Toukan <tariqt@...lanox.com>,
        Jiri Pirko <jiri@...lanox.com>
Subject: Re: [PATCH net-next 0/9] devlink: Add support for region access

On Thursday, March 03/29/18, 2018 at 23:53:43 +0530, Andrew Lunn wrote:
> On Thu, Mar 29, 2018 at 07:07:43PM +0300, Alex Vesker wrote:
> > This is a proposal which will allow access to driver defined address
> > regions using devlink. Each device can create its supported address
> > regions and register them. A device which exposes a region will allow
> > access to it using devlink.
> 
> Hi Alex
> 
> Did you see the work Rahul Lakkireddy has been doing?
> 
> https://patchwork.kernel.org/patch/10305935/
> 
> It seems like these are similar, or at least overlapping. We probably
> want one solution for both.
> 

We're already collecting hardware snapshots when system is live with
ethtool --getdump (which devlink tool is now trying to do).

We are now in the process of adding support to collect hardware
snapshots during kernel panic.

Thanks,
Rahul