From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0F56C38A2B for ; Fri, 17 Apr 2020 19:18:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 85BC720780 for ; Fri, 17 Apr 2020 19:18:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="U3w3yUuR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730159AbgDQTSA (ORCPT ); Fri, 17 Apr 2020 15:18:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728260AbgDQTR7 (ORCPT ); Fri, 17 Apr 2020 15:17:59 -0400 Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E09CC061A0F for ; Fri, 17 Apr 2020 12:17:58 -0700 (PDT) Received: by mail-qt1-x82f.google.com with SMTP id w29so2946642qtv.3 for ; Fri, 17 Apr 2020 12:17:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=/Oi42cOfLbaOjiiRpWir3gqYxnlbkTfrUk82hw110P8=; b=U3w3yUuRA0Bux5GTafIWqYUkz3yptuzj0D0nw0MYWA6Lbd2685UTEL2bKTUB3h/fCM oR0Z0ZcnW7oz4b+T4aC5dLxQIhCPnKHuCs1H+dw4BV46AkYzVayJ54SRfrk7Z0yu44Jp euYU1f8P+R3Gf1/yOTiW01m6txdp29AcDcOro8Ym/gAIVeHhslaQ0ik//V+YnLjO5Mta L2IbZgDXgAF8fE+1ClVRPlklcyAsuaEM4b/gMIPBCLdfWsjeDOg9Q2EkhkM9H4ITnnMS pmZt8ynfu/2w+v8E69vX10gCFrPej9SN9cJh3h4JdrPmxGUv1YhpNWYqwzk98u1n6evU dYsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=/Oi42cOfLbaOjiiRpWir3gqYxnlbkTfrUk82hw110P8=; b=M7TFbr8NXtq1g4Wu1Uk9hacAJvAJAO9XjDCIShWCha+x0Jmkjy2ABR0NI2lBwpZZCC 5kiYFN6oT7JZLfBujGMjIRRgyyAhKLboLbQuB6S+I0HvoOpVcA4DWKZX0QJXURO4+Nay qt9y74CoGk/zAPJLt63tEd3630LN4pUAssqQpKEaO/sBgRNresoMhiOje440JSXyWt3W DWJNEXpZbBScDDI/dSjouiSbe9HwNz4ZxtwaADUcWjYZIfZ99bqsP1rNT2Ic6BkGR6Y9 C12+QLXQa9fG5hwW2JImoRRPvPVwXwyw4g6dGh4tqTxwSjKeF+dg3eBhC+eTSwHC/uq1 tvKw== X-Gm-Message-State: AGi0PuZYuNC5/egYOf1ZOmi6VrQHCteRZJiHM+XZHJdjZ2+7WGbyLJUM X5oaZsLBciJqYuY9IkEkdtXCPw== X-Google-Smtp-Source: APiQypIqdiX95PWlLYsNoy7N72z+i+xgzUdtRqmi2BW7GjCcsIRtlp1po486Xo3o1K7kE8HFuYt2aQ== X-Received: by 2002:aed:20e3:: with SMTP id 90mr4570092qtb.142.1587151077333; Fri, 17 Apr 2020 12:17:57 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id n10sm16675337qkk.105.2020.04.17.12.17.56 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 17 Apr 2020 12:17:56 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1jPWUu-0004hn-9k; Fri, 17 Apr 2020 16:17:56 -0300 Date: Fri, 17 Apr 2020 16:17:56 -0300 From: Jason Gunthorpe To: Jeff Kirsher Cc: davem@davemloft.net, gregkh@linuxfoundation.org, Dave Ertman , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, ranjani.sridharan@linux.intel.com, pierre-louis.bossart@linux.intel.com, Tony Nguyen , Andrew Bowers Subject: Re: [net-next 2/9] ice: Create and register virtual bus for RDMA Message-ID: <20200417191756.GJ26002@ziepe.ca> References: <20200417171034.1533253-1-jeffrey.t.kirsher@intel.com> <20200417171034.1533253-3-jeffrey.t.kirsher@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200417171034.1533253-3-jeffrey.t.kirsher@intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Apr 17, 2020 at 10:10:27AM -0700, Jeff Kirsher wrote: > From: Dave Ertman > > The RDMA block does not have its own PCI function, instead it must utilize > the ice driver to gain access to the PCI device. Create a virtual bus > device so the irdma driver can register a virtual bus driver to bind to it > and receive device data. The device data contains all of the relevant > information that the irdma peer will need to access this PF's IIDC API > callbacks. Can you please provide examples of what the sysfs paths for all this stuff looks like? Does power management work right? Jason