From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751683AbdJRQwf (ORCPT ); Wed, 18 Oct 2017 12:52:35 -0400 Received: from mail-qt0-f193.google.com ([209.85.216.193]:44754 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbdJRQwd (ORCPT ); Wed, 18 Oct 2017 12:52:33 -0400 X-Google-Smtp-Source: ABhQp+Q0yHro1w6oiPwFvDutneRT8Sj6gHPlxQg77YgduJjG0EemAHUQntH+TfuqW5nntyt000XfoA== Subject: Re: [PATCH 0/1] net: ethtool: add SmartNIC reset support To: Andrew Lunn References: <1508342496-5047-1-git-send-email-scott.branden@broadcom.com> <20171018162823.GB15371@lunn.ch> Cc: "David S. Miller" , "Allan W. Nielsen" , Raju Lakkaraju , Florian Fainelli , BCM Kernel Feedback , linux-kernel@vger.kernel.org, Steve Lin From: Scott Branden Message-ID: Date: Wed, 18 Oct 2017 09:52:29 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20171018162823.GB15371@lunn.ch> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrew, On 17-10-18 09:28 AM, Andrew Lunn wrote: > On Wed, Oct 18, 2017 at 09:01:35AM -0700, Scott Branden wrote: >> Ethtool provides support for resetting other internal portions of the >> NIC already. Seems appropriate to use one of the bits for resetting >> the application processor (AP) for SmartNICs. > Hi Scott > > Do you also have a management processor on the NIC? > > Or is the Application Processor just the Marketing Departments name > for the management processor? Yes, there is also a management processor. In our next gen SmartNIC the "Application processor" may actually have 8 very powerful cores. But, if they need to be reset, we reset them all. > > Andrew