From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 5 Nov 2019 19:33:36 +0100 From: Cornelia Huck Subject: Re: [PATCH V8 5/6] virtio: introduce a mdev based transport Message-ID: <20191105193336.570e8e3a.cohuck@redhat.com> In-Reply-To: <20191105093240.5135-6-jasowang@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> <20191105093240.5135-6-jasowang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-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 17:32:39 +0800 Jason Wang wrote: > This patch introduces a new mdev transport for virtio. This is used to > use kernel virtio driver to drive the mediated device that is capable > of populating virtqueue directly. >=20 > A new virtio-mdev driver will be registered to the mdev bus, when a > new virtio-mdev device is probed, it will register the device with > mdev based config ops. This means it is a software transport between > mdev driver and mdev device. The transport was implemented through > device specific ops which is a part of mdev_parent_ops now. >=20 > Signed-off-by: Jason Wang > --- > drivers/virtio/Kconfig | 7 + > drivers/virtio/Makefile | 1 + > drivers/virtio/virtio_mdev.c | 407 +++++++++++++++++++++++++++++++++++ > 3 files changed, 415 insertions(+) > create mode 100644 drivers/virtio/virtio_mdev.c Reviewed-by: Cornelia Huck