Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1648856ybi; Thu, 20 Jun 2019 01:12:07 -0700 (PDT) X-Google-Smtp-Source: APXvYqz0V1+9tKWddJPUKpejhRXTz21ozgSdkOPmKXon1lBn9P+kQQFrIwzsPGP76rdBjU0qDhB5 X-Received: by 2002:aa7:804c:: with SMTP id y12mr126524652pfm.94.1561018327453; Thu, 20 Jun 2019 01:12:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561018327; cv=none; d=google.com; s=arc-20160816; b=zCAbiHwrpbVJG2rOTNgl+99HXpoZXV3kv8UARpeJKcpu8qS7UPpKw/a1zjWOri9O4B lZeSNmKM/nPQQmRqbECcFgqScmGyVx9AocAKTu182ZqblhaSiuCzseGHB23nCU9KZAgt s5OGWmMyIOnuT5Otoh5svi91o/lP6/3d7uAYpjKoubzohlbubq6CP6SwDqVjwnPYCkMh 5F84KmaIYMi+ibzEvtR/GnQhRd8IdoV5JAbtvCkrN++KqBXUpYUoX1Icdw7eObBE8GuA 6YHgcGpG6Xx62VessR/EGnICLFWMja0nzei4syonORL2NpTF+7L/zVvTvR5rJwYJjhwg 4B9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=TRkUooSd/UaA9IYdN/7znCXTQbIqRDk0LfQwmX0rHGI=; b=XsrTnOG0NAxG5xls2HAJ632fV9M6qWUJWXrrQZMXrC/sz88/y+6qkd5UIVuSzkzbwO C0X69FR4DDvOVjIZ1mDkfbnLNF5ZCndqsy0FKE+/rQsE+YHZb07+AKMOgEV004/EXnDG szE+Ev7AwnjiWbY/VsKLNXPTBlf+qgpD34dBJyr+axuuWwUBHUIjpbv5Cnxf/GfCswX6 XC5CSy4DtKAVWwg51gizc8UX0yENURFDMFNxoxtPhoBSBTPos+c8dissSLMDBg8BeuKD c+m1I65VgvgRBOvVYJtBaAupQ5M9KferIIPROKqn8RmDPjLts4LosRqT5yqQIC0wBXoq mCYw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@endlessm-com.20150623.gappssmtp.com header.s=20150623 header.b=2AUBnw4K; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j18si18571775pfi.75.2019.06.20.01.11.51; Thu, 20 Jun 2019 01:12:07 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@endlessm-com.20150623.gappssmtp.com header.s=20150623 header.b=2AUBnw4K; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731181AbfFTILk (ORCPT + 99 others); Thu, 20 Jun 2019 04:11:40 -0400 Received: from mail-qk1-f194.google.com ([209.85.222.194]:37424 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731110AbfFTILi (ORCPT ); Thu, 20 Jun 2019 04:11:38 -0400 Received: by mail-qk1-f194.google.com with SMTP id d15so1331310qkl.4 for ; Thu, 20 Jun 2019 01:11:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=endlessm-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=TRkUooSd/UaA9IYdN/7znCXTQbIqRDk0LfQwmX0rHGI=; b=2AUBnw4K/dxPsBT0ACnhasZG6o3C2vb8NI8ADKu6mrlsxcT6D8GSweyjMItLvjcPTO M62MAuTrpywiNZfneUDtJE9m1ye7CaKoTfr/nnJ/Sqt4d1lFq2egRpWqfYT1PdQKLu2T CG2UBTbcwWnfcXCYTbc+Tm7LZ4FvZSyy+TIuzQPxe4eqyq0V1ycCXb0aZ9t2fhfYYqIU 6xHgCk/2SkwH7csf+P9Hsrhf5iYORp3qq20hC/lACrebPy7bVxMpvvYlg94YnzyDclKG tcOvXjGKdGIoLMNJoy5goqb1k6GncA0CZf59lruSREYWZAqb8odPrrFXEBcxQ6XiEvYy FbXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=TRkUooSd/UaA9IYdN/7znCXTQbIqRDk0LfQwmX0rHGI=; b=aYnKZj6RPvcM4MTkZRRWylohTYGd5zpGQz75te1YDJsrgoJ8TH413pSGgR5eafNjTr ot8bnarU0NnlRcXc/1WF06/AZ181mqx/txm3UxzRw5BQ7ijByoEskUiTHT9a06TsYL+9 dYDnMGd/LGHsJiceoabGonCT1YtgsP64rzi8+UX5BI4WNqjX+VsNF5QTjU/xyXQXboX+ FXQ7gwiwu7wo8dHjlBBAPPZjRBMW0/eKICwCBJzDRE0vPcidDPGZoqKxbHUGKnGiLqjf 0072jI4dmpMOaP74kTvbIyvcx9l0mvgYSBKHizwd48GV13LylX1xF2jiosde8nOn62LG Hr7w== X-Gm-Message-State: APjAAAVaRO+q0fG+RBDzd07wAno6IFRYRIyHQeSQ9OKHHeo9GeBtVQZW +wetDrcuZPxbSPrkC/aw8Xecm8t8jrIx0eI8Y41YlQ== X-Received: by 2002:a37:de07:: with SMTP id h7mr105593186qkj.41.1561018297544; Thu, 20 Jun 2019 01:11:37 -0700 (PDT) MIME-Version: 1.0 References: <20190620051333.2235-1-drake@endlessm.com> <20190620051333.2235-3-drake@endlessm.com> <20190620061038.GA20564@lst.de> In-Reply-To: <20190620061038.GA20564@lst.de> From: Daniel Drake Date: Thu, 20 Jun 2019 16:11:26 +0800 Message-ID: Subject: Re: [PATCH v2 2/5] nvme: rename "pci" operations to "mmio" To: Christoph Hellwig Cc: Jens Axboe , Keith Busch , Sagi Grimberg , linux-nvme , Linux PCI , Bjorn Helgaas , linux-ide@vger.kernel.org, Linux Upstreaming Team , Linux Kernel , Hannes Reinecke , Alex Williamson , Dan Williams Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 20, 2019 at 2:11 PM Christoph Hellwig wrote: > The Linux NVMe driver will deal with NVMe as specified plus whatever > minor tweaks we'll need for small bugs. Hiding it behind an AHCI > device is completely out of scope and will not be accepted. Do you have any new suggestions for alternative ways we can implement support for this storage configuration? I tried to follow your earlier suggestions regarding faking a PCI bus here: (or let me know if you had something different in mind...) https://marc.info/?l=linux-pci&m=156015271021614&w=2 but it looks like that is not going to fly either :( Daniel