From patchwork Thu Feb 14 04:26:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Xu X-Patchwork-Id: 10811741 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 1CB3F746 for ; Thu, 14 Feb 2019 04:33:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 07F942DBA6 for ; Thu, 14 Feb 2019 04:33:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE10F2DF1D; Thu, 14 Feb 2019 04:33:03 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8B1722DBA6 for ; Thu, 14 Feb 2019 04:33:03 +0000 (UTC) Received: from localhost ([127.0.0.1]:39798 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gu8hq-0003sZ-SH for patchwork-qemu-devel@patchwork.kernel.org; Wed, 13 Feb 2019 23:33:02 -0500 Received: from eggs.gnu.org ([209.51.188.92]:41508) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gu8dI-0001Na-7b for qemu-devel@nongnu.org; Wed, 13 Feb 2019 23:28:23 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gu8dF-0005AA-1m for qemu-devel@nongnu.org; Wed, 13 Feb 2019 23:28:19 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42280) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gu8dE-0004yQ-O8 for qemu-devel@nongnu.org; Wed, 13 Feb 2019 23:28:16 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5456A883BC; Thu, 14 Feb 2019 04:28:10 +0000 (UTC) Received: from dell-per430-12.lab.eng.pek2.redhat.com (dell-per430-12.lab.eng.pek2.redhat.com [10.73.196.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id DC85D5D9D1; Thu, 14 Feb 2019 04:28:07 +0000 (UTC) From: wexu@redhat.com To: qemu-devel@nongnu.org Date: Wed, 13 Feb 2019 23:26:42 -0500 Message-Id: <1550118402-4057-12-git-send-email-wexu@redhat.com> In-Reply-To: <1550118402-4057-1-git-send-email-wexu@redhat.com> References: <1550118402-4057-1-git-send-email-wexu@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 14 Feb 2019 04:28:10 +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 v4 11/11] virtio: CLI and provide packed ring feature bit by default X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tiwei.bie@intel.com, mst@redhat.com, jasowang@redhat.com, jfreiman@redhat.com, maxime.coquelin@redhat.com, wexu@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Wei Xu Add userspace and vhost kernel/user support. Add CLI "ring_packed=true/false" to enable/disable packed ring provision. Usage: -device virtio-net-pci,netdev=xx,mac=xx:xx:xx:xx:xx:xx,ring_packed=false By default it is provided. Signed-off-by: Wei Xu --- hw/net/vhost_net.c | 2 ++ include/hw/virtio/virtio.h | 4 +++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index e037db6..f593086 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -53,6 +53,7 @@ static const int kernel_feature_bits[] = { VIRTIO_F_VERSION_1, VIRTIO_NET_F_MTU, VIRTIO_F_IOMMU_PLATFORM, + VIRTIO_F_RING_PACKED, VHOST_INVALID_FEATURE_BIT }; @@ -78,6 +79,7 @@ static const int user_feature_bits[] = { VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_MTU, VIRTIO_F_IOMMU_PLATFORM, + VIRTIO_F_RING_PACKED, /* This bit implies RARP isn't sent by QEMU out of band */ VIRTIO_NET_F_GUEST_ANNOUNCE, diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 9c1fa07..2eb27d2 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -264,7 +264,9 @@ typedef struct VirtIORNGConf VirtIORNGConf; DEFINE_PROP_BIT64("any_layout", _state, _field, \ VIRTIO_F_ANY_LAYOUT, true), \ DEFINE_PROP_BIT64("iommu_platform", _state, _field, \ - VIRTIO_F_IOMMU_PLATFORM, false) + VIRTIO_F_IOMMU_PLATFORM, false), \ + DEFINE_PROP_BIT64("ring_packed", _state, _field, \ + VIRTIO_F_RING_PACKED, true) hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);