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bh=+jUGTB17U/iDyHdaDQgZ/6qUhyCQoy2Ci4khHB5bxUU=; b=G7jyVF1xgzmcnokyllbcAv3vlL7PzM/je9MDPEqVwWEbWmoBKsA9LPeIyiYRIFNoEdglom LGggywXJxdU1gO+CHkG8Ro+MVNLT90+5ewzjW7gxcIqKxJgCeJfRYY0NdgAXxLxj7U05v3 qiE2VLv0mZTyGQQCxnCtZX5tX+20P7U= 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-154-XfEA0j2CPZeY7LsGl2e8fg-1; Wed, 13 Jan 2021 23:36:02 -0500 X-MC-Unique: XfEA0j2CPZeY7LsGl2e8fg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 37CEB806662 for ; Thu, 14 Jan 2021 04:36:01 +0000 (UTC) Received: from [10.72.12.100] (ovpn-12-100.pek2.redhat.com [10.72.12.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 54D8D6A252; Thu, 14 Jan 2021 04:35:57 +0000 (UTC) Subject: Re: [PATCH v1 0/4] vhost-vdpa: add support for configure interrupt To: Cindy Lu , mst@redhat.com, qemu-devel@nongnu.org References: <20210113154540.24981-1-lulu@redhat.com> From: Jason Wang Message-ID: <86037c3a-f2c5-1667-7e2e-e964735f546f@redhat.com> Date: Thu, 14 Jan 2021 12:35:56 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210113154540.24981-1-lulu@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Received-SPF: pass client-ip=63.128.21.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2021/1/13 下午11:45, Cindy Lu wrote: > Add configure interrupt support in vdpa_vhost. qemu will use the irqfd > process to support this feature. > > These code are all tested in vp-vdpa (support configure interrupt) > vdpa_sim (not support configure interrupt) > > > Cindy Lu (4): > virtio:add support in configure interrupt > virtio-pci:add support for configure interrupt If possible, I would like to add the MMIO support for this. One great advantage of vDPA is that it can avoid to expose a PCI device for guest. Thanks > vhost_net:enable configure interrupt when vhost_net start > vhost-vdpa:add callback function for configure interrupt > > hw/net/vhost_net.c | 19 ++++++- > hw/virtio/trace-events | 2 + > hw/virtio/vhost-vdpa.c | 29 +++++++++- > hw/virtio/virtio-pci.c | 93 +++++++++++++++++++++++++++++++ > hw/virtio/virtio.c | 25 +++++++++ > include/hw/virtio/vhost-backend.h | 4 ++ > include/hw/virtio/virtio-bus.h | 2 + > include/hw/virtio/virtio.h | 5 ++ > 8 files changed, 177 insertions(+), 2 deletions(-) >