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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 9E2A2C4CEC9 for ; Tue, 17 Sep 2019 17:31:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 805D32171F for ; Tue, 17 Sep 2019 17:31:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731211AbfIQRbf (ORCPT ); Tue, 17 Sep 2019 13:31:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41468 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbfIQRbf (ORCPT ); Tue, 17 Sep 2019 13:31:35 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 88C9E10C0932; Tue, 17 Sep 2019 17:31:34 +0000 (UTC) Received: from x1.home (ovpn-118-102.phx2.redhat.com [10.3.118.102]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3ABBC60852; Tue, 17 Sep 2019 17:31:26 +0000 (UTC) Date: Tue, 17 Sep 2019 11:31:25 -0600 From: Alex Williamson To: Jason Wang Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com, mst@redhat.com, zhenyuw@linux.intel.com, zhi.a.wang@intel.com, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch, cohuck@redhat.com, farman@linux.ibm.com, pasic@linux.ibm.com, sebott@linux.ibm.com, oberpar@linux.ibm.com, heiko.carstens@de.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, akrowiak@linux.ibm.com, pmorel@linux.ibm.com, freude@linux.ibm.com, tiwei.bie@intel.com, virtualization@lists.linux-foundation.org, maxime.coquelin@redhat.com, cunming.liang@intel.com, zhihong.wang@intel.com, rob.miller@broadcom.com, idos@mellanox.com, xiao.w.wang@intel.com, lingshan.zhu@intel.com, Parav Pandit Subject: Re: [RFC PATCH 0/2] Mdev: support mutiple kinds of devices Message-ID: <20190917113125.6b2970e5@x1.home> In-Reply-To: <20190912094012.29653-1-jasowang@redhat.com> References: <20190912094012.29653-1-jasowang@redhat.com> Organization: Red Hat MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.66]); Tue, 17 Sep 2019 17:31:35 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [cc +Parav] On Thu, 12 Sep 2019 17:40:10 +0800 Jason Wang wrote: > Hi all: > > During the development of virtio-mdev[1]. I find that mdev needs to be > extended to support devices other than vfio mdev device. So this > series tries to extend the mdev to be able to differ from different > devices by: > > - device id and matching for mdev bus > - device speicfic callbacks and move vfio callbacks there > > Sent for early reivew, compile test only! > > Thanks > > [1] https://lkml.org/lkml/2019/9/10/135 I expect Parav must have something similar in the works for their in-kernel networking mdev support. Link to discussion so far: https://lore.kernel.org/kvm/20190912094012.29653-1-jasowang@redhat.com/T/#t Thanks, Alex > Jason Wang (2): > mdev: device id support > mdev: introduce device specific ops > > drivers/gpu/drm/i915/gvt/kvmgt.c | 16 ++++--- > drivers/s390/cio/vfio_ccw_ops.c | 16 ++++--- > drivers/s390/crypto/vfio_ap_ops.c | 13 ++++-- > drivers/vfio/mdev/mdev_core.c | 14 +++++- > drivers/vfio/mdev/mdev_driver.c | 14 ++++++ > drivers/vfio/mdev/mdev_private.h | 1 + > drivers/vfio/mdev/vfio_mdev.c | 36 ++++++++++----- > include/linux/mdev.h | 76 +++++++++++++++++++------------ > include/linux/mod_devicetable.h | 6 +++ > samples/vfio-mdev/mbochs.c | 18 +++++--- > samples/vfio-mdev/mdpy.c | 18 +++++--- > samples/vfio-mdev/mtty.c | 16 ++++--- > 12 files changed, 163 insertions(+), 81 deletions(-) >