From patchwork Fri Aug 2 04:06:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 11072577 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27C0313A4 for ; Fri, 2 Aug 2019 04:06:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 14D3F287BE for ; Fri, 2 Aug 2019 04:06:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0722D287CC; Fri, 2 Aug 2019 04:06:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2CB72287BE for ; Fri, 2 Aug 2019 04:06:51 +0000 (UTC) Received: from localhost ([::1]:60292 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1htOqA-0006O5-45 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 02 Aug 2019 00:06:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50393) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1htOpn-0005cq-6j for qemu-devel@nongnu.org; Fri, 02 Aug 2019 00:06:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1htOpj-0001P5-34 for qemu-devel@nongnu.org; Fri, 02 Aug 2019 00:06:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39190) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1htOpi-0001OU-UW for qemu-devel@nongnu.org; Fri, 02 Aug 2019 00:06:23 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id BEF7D765A4; Fri, 2 Aug 2019 04:06:20 +0000 (UTC) Received: from hp-dl380pg8-01.lab.eng.pek2.redhat.com (hp-dl380pg8-01.lab.eng.pek2.redhat.com [10.73.8.10]) by smtp.corp.redhat.com (Postfix) with ESMTP id F0F731001B12; Fri, 2 Aug 2019 04:06:08 +0000 (UTC) From: Jason Wang To: mst@redhat.com Date: Fri, 2 Aug 2019 00:06:00 -0400 Message-Id: <20190802040606.22573-1-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 02 Aug 2019 04:06:20 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH V5 0/6] Packed virtqueue for virtrio 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: , Cc: yang.zhong@intel.com, tiwei.bie@intel.com, Jason Wang , qemu-devel@nongnu.org, maxime.coquelin@redhat.com, jfreimann@redhat.com, weiyshay@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Hi: This is an updated version of packed virtqueue support based on Wei's V4. Tested with, virtio-blk, virito-net (with vhost_net), virtio-scsi, scp during migration etc. Please review. Changes from V4: - using SET/GET_VRING_BASE to set/get last_used_idx/wrap_counter - fix virtqueue_pop_packed() to break virtio-scsi - memory barriers fix - add missing functions for packed virtqueue - various refactoring and tweaks Jason Wang (4): virtio: basic packed virtqueue support virtio: event suppression support for packed ring vhost_net: enable packed ring support virtio: add property to enable packed virtqueue Wei Xu (2): virtio: basic structure for packed ring virtio: device/driverr area size calculation refactor for split ring hw/block/virtio-blk.c | 2 +- hw/char/virtio-serial-bus.c | 2 +- hw/net/vhost_net.c | 2 + hw/scsi/virtio-scsi.c | 3 +- hw/virtio/virtio.c | 1151 +++++++++++++++++++++++++++++++---- include/hw/virtio/virtio.h | 14 +- 6 files changed, 1039 insertions(+), 135 deletions(-)