From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 87F16A00C2; Thu, 13 Oct 2022 10:48:25 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E400B42DFC; Thu, 13 Oct 2022 10:48:12 +0200 (CEST) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by mails.dpdk.org (Postfix) with ESMTP id BEA5D42DFD for ; Thu, 13 Oct 2022 10:48:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1665650890; x=1697186890; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=TQ3D0qmD9O0quAFGAbFuvUdG2c0JQe3Z4RBvctd5FOU=; b=D16Didh4w4yi6IWrhof6pD+AXh2EHtsKHp0OmaiKTJXLwL2ui2+fV0GZ 9jETPkbm0zj/xlyhRi1798iSTuslwCYk3ENoTkN1KwSnUOvYDTLUJcsa+ cKQ8Wc5AOpmN4rrdlSDrnTXw26WP345e/HoH46fpCmOX/1yLue8TWzt72 b2jeK8VgYnPOkOyGjSUbqZbnbtdpYVgAR3xLegZjY9VSXivOMcyZPYmbS VA8Brw7MYqz51gEY78dgdQiBimtymlMAGWXpouRNOJCUTuymObzYYZ7Z4 WMnx9vQ57unSO1CxJUJo+hCsH2ADFnN5yAWgBYsRqBfmU7IIDbtawx5LY g==; X-IronPort-AV: E=McAfee;i="6500,9779,10498"; a="288292718" X-IronPort-AV: E=Sophos;i="5.95,180,1661842800"; d="scan'208";a="288292718" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2022 01:48:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10498"; a="658100486" X-IronPort-AV: E=Sophos;i="5.95,180,1661842800"; d="scan'208";a="658100486" Received: from dpdk-dipei.sh.intel.com ([10.67.110.251]) by orsmga008.jf.intel.com with ESMTP; 13 Oct 2022 01:48:08 -0700 From: Andy Pei To: dev@dpdk.org Cc: chenbo.xia@intel.com, rosen.xu@intel.com, wei.huang@intel.com, gang.cao@intel.com, maxime.coquelin@redhat.com Subject: [PATCH v4 7/8] vhost: vDPA blk device gets ready when any queue is ready Date: Thu, 13 Oct 2022 16:44:33 +0800 Message-Id: <1665650674-291949-8-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1665650674-291949-1-git-send-email-andy.pei@intel.com> References: <1661229305-240952-2-git-send-email-andy.pei@intel.com> <1665650674-291949-1-git-send-email-andy.pei@intel.com> 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 When boot from virtio blk device, seabios in QEMU only enables one queue. To work in this scenario, vDPA BLK device back-end configure device when any queue is ready. Signed-off-by: Andy Pei Signed-off-by: Huang Wei --- lib/vhost/vhost_user.c | 49 ++++++++++++++++++++++++++++++------------------- 1 file changed, 30 insertions(+), 19 deletions(-) diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c index cd65257..0509025 100644 --- a/lib/vhost/vhost_user.c +++ b/lib/vhost/vhost_user.c @@ -1441,9 +1441,10 @@ } #define VIRTIO_BUILTIN_NUM_VQS_TO_BE_READY 2u +#define VIRTIO_BLK_NUM_VQS_TO_BE_READY 1u static int -virtio_is_ready(struct virtio_net *dev) +virtio_is_ready(struct virtio_net *dev, uint32_t vdpa_type) { struct vhost_virtqueue *vq; uint32_t i, nr_vring = dev->nr_vring; @@ -1454,13 +1455,16 @@ if (!dev->nr_vring) return 0; - if (dev->flags & VIRTIO_DEV_BUILTIN_VIRTIO_NET) { - nr_vring = VIRTIO_BUILTIN_NUM_VQS_TO_BE_READY; - - if (dev->nr_vring < nr_vring) - return 0; + if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK) { + nr_vring = VIRTIO_BLK_NUM_VQS_TO_BE_READY; + } else { + if (dev->flags & VIRTIO_DEV_BUILTIN_VIRTIO_NET) + nr_vring = VIRTIO_BUILTIN_NUM_VQS_TO_BE_READY; } + if (dev->nr_vring < nr_vring) + return 0; + for (i = 0; i < nr_vring; i++) { vq = dev->virtqueue[i]; @@ -2958,7 +2962,7 @@ static int is_vring_iotlb(struct virtio_net *dev, int ret; int unlock_required = 0; bool handled; - uint32_t vdpa_type = 0; + uint32_t vdpa_type = -1; uint32_t request; uint32_t i; @@ -3152,7 +3156,25 @@ static int is_vring_iotlb(struct virtio_net *dev, if (unlock_required) vhost_user_unlock_all_queue_pairs(dev); - if (ret != 0 || !virtio_is_ready(dev)) + if (ret != 0) + goto out; + + vdpa_dev = dev->vdpa_dev; + if (vdpa_dev) { + if (vdpa_dev->ops->get_dev_type) { + ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type); + if (ret) { + VHOST_LOG_CONFIG(dev->ifname, ERR, + "failed to get vdpa dev type.\n"); + ret = -1; + goto out; + } + } else { + vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET; + } + } + + if (!virtio_is_ready(dev, vdpa_type)) goto out; /* @@ -3166,20 +3188,9 @@ static int is_vring_iotlb(struct virtio_net *dev, dev->flags |= VIRTIO_DEV_RUNNING; } - vdpa_dev = dev->vdpa_dev; if (!vdpa_dev) goto out; - if (vdpa_dev->ops->get_dev_type) { - ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type); - if (ret) { - VHOST_LOG_CONFIG(dev->ifname, ERR, "failed to get vdpa dev type.\n"); - ret = -1; - goto out; - } - } else { - vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET; - } if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK && request != VHOST_USER_SET_VRING_CALL) goto out; -- 1.8.3.1