From patchwork Mon Sep 12 03:36:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kangjie Xu X-Patchwork-Id: 116183 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 67E16A00C5; Mon, 12 Sep 2022 05:37:08 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6C1324281B; Mon, 12 Sep 2022 05:36:57 +0200 (CEST) Received: from out30-57.freemail.mail.aliyun.com (out30-57.freemail.mail.aliyun.com [115.124.30.57]) by mails.dpdk.org (Postfix) with ESMTP id B959440A89 for ; Mon, 12 Sep 2022 05:36:54 +0200 (CEST) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R131e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018045176; MF=kangjie.xu@linux.alibaba.com; NM=1; PH=DS; RN=7; SR=0; TI=SMTPD_---0VPNZKqY_1662953809; Received: from localhost(mailfrom:kangjie.xu@linux.alibaba.com fp:SMTPD_---0VPNZKqY_1662953809) by smtp.aliyun-inc.com; Mon, 12 Sep 2022 11:36:50 +0800 From: Kangjie Xu To: maxime.coquelin@redhat.com, chenbo.xia@intel.com Cc: dev@dpdk.org, xuanzhuo@linux.alibaba.com, hengqi@linux.alibaba.com, jasowang@redhat.com, mst@redhat.com Subject: [PATCH v3 2/2] vhost: support VIRTIO_F_RING_RESET for vhost-user Date: Mon, 12 Sep 2022 11:36:47 +0800 Message-Id: <5a9722d0d3890403280805e6173a2d1e9db8f777.1662952732.git.kangjie.xu@linux.alibaba.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add VIRTIO_F_RING_RESET, which indicates that the driver can reset a queue individually. The feature is added to virtio-spec 1.2. The relevant information is in https://github.com/oasis-tcs/virtio-spec/issues/124 Signed-off-by: Kangjie Xu Signed-off-by: Xuan Zhuo --- lib/vhost/vhost.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lib/vhost/vhost.h b/lib/vhost/vhost.h index 40fac3b7c6..76461a3406 100644 --- a/lib/vhost/vhost.h +++ b/lib/vhost/vhost.h @@ -376,6 +376,11 @@ struct vhost_msg { #define VIRTIO_F_VERSION_1 32 #endif +/* This feature indicates that the driver can reset a queue individually. */ +#ifndef VIRTIO_F_RING_RESET +#define VIRTIO_F_RING_RESET 40 +#endif + /* Declare packed ring related bits for older kernels */ #ifndef VIRTIO_F_RING_PACKED @@ -438,7 +443,8 @@ struct vring_packed_desc_event { (1ULL << VIRTIO_NET_F_MTU) | \ (1ULL << VIRTIO_F_IN_ORDER) | \ (1ULL << VIRTIO_F_IOMMU_PLATFORM) | \ - (1ULL << VIRTIO_F_RING_PACKED)) + (1ULL << VIRTIO_F_RING_PACKED) | \ + (1ULL << VIRTIO_F_RING_RESET)) struct guest_page {