From patchwork Mon Dec 19 05:58:57 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Wei W" X-Patchwork-Id: 9479699 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 19EDE60237 for ; Mon, 19 Dec 2016 06:17:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 01927281DB for ; Mon, 19 Dec 2016 06:17:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E779A28457; Mon, 19 Dec 2016 06:17:57 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 649D3281DB for ; Mon, 19 Dec 2016 06:17:57 +0000 (UTC) Received: from localhost ([::1]:43550 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cIrGl-0002Wh-TS for patchwork-qemu-devel@patchwork.kernel.org; Mon, 19 Dec 2016 01:17:55 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53821) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cIr0P-0003Ek-01 for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:01:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cIr0O-0004jC-4o for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:01:01 -0500 Received: from mga06.intel.com ([134.134.136.31]:33815) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cIr0N-0004Vl-Sl for qemu-devel@nongnu.org; Mon, 19 Dec 2016 01:01:00 -0500 Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP; 18 Dec 2016 22:00:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,372,1477983600"; d="scan'208";a="44550033" Received: from devel-ww.sh.intel.com ([10.239.48.105]) by fmsmga006.fm.intel.com with ESMTP; 18 Dec 2016 22:00:57 -0800 From: Wei Wang To: marcandre.lureau@gmail.com, mst@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org Date: Mon, 19 Dec 2016 13:58:57 +0800 Message-Id: <1482127152-84732-23-git-send-email-wei.w.wang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1482127152-84732-1-git-send-email-wei.w.wang@intel.com> References: <1482127152-84732-1-git-send-email-wei.w.wang@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.31 Subject: [Qemu-devel] [RESEND Patch v1 22/37] vhost-pci-slave/msg: VHOST_USER_SET_VRING_ENABLE 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: Wei Wang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Enable/Disable the corresponding virtqueue pairs in the list. Signed-off-by: Wei Wang --- hw/virtio/vhost-pci-slave.c | 15 +++++++++++++++ include/hw/virtio/vhost-pci-slave.h | 1 + 2 files changed, 16 insertions(+) diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c index 5bb1285..4b4d3c8 100644 --- a/hw/virtio/vhost-pci-slave.c +++ b/hw/virtio/vhost-pci-slave.c @@ -245,6 +245,18 @@ static void vp_slave_set_vring_call(int fd) pvq_node->callfd = fd; } +static void vp_slave_set_vring_enable(VhostUserMsg *msg) +{ + struct vhost_vring_state *state = &msg->payload.state; + PeerVqNode *pvq_node; + QLIST_FOREACH(pvq_node, &vp_slave->pvq_list, node) { + if (pvq_node->vring_num == state->index) { + pvq_node->enabled = (int)state->num; + break; + } + } +} + static int vp_slave_can_read(void *opaque) { return VHOST_USER_HDR_SIZE; @@ -343,6 +355,9 @@ static void vp_slave_read(void *opaque, const uint8_t *buf, int size) */ qemu_set_nonblock(fds[0]); break; + case VHOST_USER_SET_VRING_ENABLE: + vp_slave_set_vring_enable(&msg); + break; default: error_report("vhost-pci-slave does not support msg request = %d", msg.request); diff --git a/include/hw/virtio/vhost-pci-slave.h b/include/hw/virtio/vhost-pci-slave.h index f6206a1..3e0f4c7 100644 --- a/include/hw/virtio/vhost-pci-slave.h +++ b/include/hw/virtio/vhost-pci-slave.h @@ -12,6 +12,7 @@ typedef struct PeerVqNode { uint32_t vring_num; int kickfd; int callfd; + int enabled; struct vhost_vring_addr addr; QLIST_ENTRY(PeerVqNode) node; } PeerVqNode;