From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-2.mimecast.com ([205.139.110.61]:23806 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2390032AbfKEQD7 (ORCPT ); Tue, 5 Nov 2019 11:03:59 -0500 Date: Tue, 5 Nov 2019 17:03:19 +0100 From: Cornelia Huck Subject: Re: [PATCH V8 1/6] mdev: class id support Message-ID: <20191105170319.41fe7d2c.cohuck@redhat.com> In-Reply-To: <20191105093240.5135-2-jasowang@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> <20191105093240.5135-2-jasowang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: linux-s390-owner@vger.kernel.org List-ID: 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 On Tue, 5 Nov 2019 17:32:35 +0800 Jason Wang wrote: > Mdev bus only supports vfio driver right now, so it doesn't implement > match method. But in the future, we may add drivers other than vfio, > the first driver could be virtio-mdev. This means we need to add > device class id support in bus match method to pair the mdev device > and mdev driver correctly. >=20 > So this patch adds id_table to mdev_driver and class_id for mdev > device with the match method for mdev bus. >=20 > Reviewed-by: Parav Pandit > Signed-off-by: Jason Wang > --- > .../driver-api/vfio-mediated-device.rst | 5 ++++ > drivers/gpu/drm/i915/gvt/kvmgt.c | 1 + > drivers/s390/cio/vfio_ccw_ops.c | 1 + > drivers/s390/crypto/vfio_ap_ops.c | 1 + > drivers/vfio/mdev/mdev_core.c | 17 +++++++++++++ > drivers/vfio/mdev/mdev_driver.c | 25 +++++++++++++++++++ > drivers/vfio/mdev/mdev_private.h | 1 + > drivers/vfio/mdev/vfio_mdev.c | 6 +++++ > include/linux/mdev.h | 8 ++++++ > include/linux/mod_devicetable.h | 8 ++++++ > samples/vfio-mdev/mbochs.c | 1 + > samples/vfio-mdev/mdpy.c | 1 + > samples/vfio-mdev/mtty.c | 1 + > 13 files changed, 76 insertions(+) Reviewed-by: Cornelia Huck