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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 6BCA5C5DF62 for ; Wed, 6 Nov 2019 10:53:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3C27221882 for ; Wed, 6 Nov 2019 10:53:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="I4MF7y6C" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731215AbfKFKxI (ORCPT ); Wed, 6 Nov 2019 05:53:08 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:59888 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728523AbfKFKxI (ORCPT ); Wed, 6 Nov 2019 05:53:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573037586; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MkKeCgkVUq/k/URpvBggClnu00dCnD5SCCD9xuWRcUs=; b=I4MF7y6CO0z35bt8kKUWLJ0krMgMKYmoU8F8bb1F/6HpawnLc97gpx5LvtKlISRhdxn/dE hGGRib7qsa6t34Occa3AraVlja7kTd3isPyMdhS5dPrvwVnCrJM6IIjGnbAenmd/FH7Gqd 8+H8ND06M5Nyd5JWgja5683ay20heLk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-392-mVGv6jnnOgi-Oc91bWdiHA-1; Wed, 06 Nov 2019 05:53:03 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 74B7C8017DD; Wed, 6 Nov 2019 10:52:59 +0000 (UTC) Received: from gondolin (dhcp-192-218.str.redhat.com [10.33.192.218]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2863E10013D9; Wed, 6 Nov 2019 10:52:36 +0000 (UTC) Date: Wed, 6 Nov 2019 11:52:33 +0100 From: Cornelia Huck 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, alex.williamson@redhat.com, mst@redhat.com, tiwei.bie@intel.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, maxime.coquelin@redhat.com, cunming.liang@intel.com, zhihong.wang@intel.com, rob.miller@broadcom.com, xiao.w.wang@intel.com, haotian.wang@sifive.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, 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, freude@linux.ibm.com, lingshan.zhu@intel.com, idos@mellanox.com, eperezma@redhat.com, lulu@redhat.com, parav@mellanox.com, christophe.de.dinechin@gmail.com, kevin.tian@intel.com, stefanha@redhat.com Subject: Re: [PATCH V9 3/6] mdev: introduce device specific ops Message-ID: <20191106115233.79bdbc1c.cohuck@redhat.com> In-Reply-To: <20191106070548.18980-4-jasowang@redhat.com> References: <20191106070548.18980-1-jasowang@redhat.com> <20191106070548.18980-4-jasowang@redhat.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: mVGv6jnnOgi-Oc91bWdiHA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, 6 Nov 2019 15:05:45 +0800 Jason Wang wrote: > Currently, except for the create and remove, the rest of > mdev_parent_ops is designed for vfio-mdev driver only and may not help > for kernel mdev driver. With the help of class id, this patch > introduces device specific callbacks inside mdev_device > structure. This allows different set of callback to be used by > vfio-mdev and virtio-mdev. >=20 > Reviewed-by: Parav Pandit > Signed-off-by: Jason Wang > --- > .../driver-api/vfio-mediated-device.rst | 35 +++++++++---- > MAINTAINERS | 1 + > drivers/gpu/drm/i915/gvt/kvmgt.c | 18 ++++--- > drivers/s390/cio/vfio_ccw_ops.c | 18 ++++--- > drivers/s390/crypto/vfio_ap_ops.c | 14 +++-- > drivers/vfio/mdev/mdev_core.c | 24 ++++++++- > drivers/vfio/mdev/mdev_private.h | 5 ++ > drivers/vfio/mdev/vfio_mdev.c | 37 ++++++------- > include/linux/mdev.h | 43 ++++----------- > include/linux/mdev_vfio_ops.h | 52 +++++++++++++++++++ > samples/vfio-mdev/mbochs.c | 20 ++++--- > samples/vfio-mdev/mdpy.c | 20 ++++--- > samples/vfio-mdev/mtty.c | 18 ++++--- > 13 files changed, 206 insertions(+), 99 deletions(-) > create mode 100644 include/linux/mdev_vfio_ops.h Reviewed-by: Cornelia Huck