From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randy Dunlap Subject: Re: [PATCH 4/5] virtio: introduce a vDPA based transport Date: Thu, 16 Jan 2020 20:10:08 -0800 Message-ID: References: <20200116124231.20253-1-jasowang@redhat.com> <20200116124231.20253-5-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20200116124231.20253-5-jasowang@redhat.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Jason Wang , mst@redhat.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Cc: tiwei.bie@intel.com, jgg@mellanox.com, 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, lingshan.zhu@intel.com, eperezma@redhat.com, lulu@redhat.com, parav@mellanox.com, kevin.tian@intel.com, stefanha@redhat.com, hch@infradead.org, aadam@redhat.com, jakub.kicinski@netronome.com, jiri@mellanox.com, shahafs@mellanox.com, hanand@xilinx.com, mhabets@solarflare.com List-Id: virtualization@lists.linuxfoundation.org Hi, On 1/16/20 4:42 AM, Jason Wang wrote: > diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig > index 9c4fdb64d9ac..b4276999d17d 100644 > --- a/drivers/virtio/Kconfig > +++ b/drivers/virtio/Kconfig > @@ -43,6 +43,19 @@ config VIRTIO_PCI_LEGACY > > If unsure, say Y. > > +config VIRTIO_VDPA > + tristate "vDPA driver for virtio devices" > + depends on VDPA && VIRTIO > + default n > + help > + This driver provides support for virtio based paravirtual virtio-based > + device driver over vDPA bus. For this to be useful, you need > + an appropriate vDPA device implementation that operates on a > + physical device to allow the datapath of virtio to be use tab + 2 spaces above for indentation, not lots of spaces. > + offloaded to hardware. > + > + If unsure, say M. > + > config VIRTIO_PMEM > tristate "Support for virtio pmem driver" > depends on VIRTIO -- ~Randy